Watlow Electric Network Card EZ ZONE PM User Manual

®
EZ-ZONE PM  
User’s Manual  
Integrated Controller Models  
TOTAL  
CUSTOMER  
SATISFACTION  
3 Year Warranty  
ISO 9001  
Registered Company  
Winona, Minnesota USA  
1241 Bundy Boulevard., Winona, Minnesota USA 55987  
Phone: +1 (507) 454-5300, Fax: +1 (507) 452-4507 http://www.watlow.com  
0600-0059-0000 Rev. C  
March 2008  
Made in the U.S.A.  
$15.00  
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TC  
Table of Contents  
Chapter 1: Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2  
Standard Features and Benefits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
Chapter 3: Keys and Displays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24  
Attention Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24  
Chapter 10: Appendix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66  
Troubleshooting Alarms, Errors and Control Issues . . . . . . . . . . . . . . 66  
Watlow EZ-ZONE® PM Integrated Controller  
1 •  
Table of Contents  
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1
Chapter 1: Overview  
The EZ-ZONE® PM takes the pain out of solving  
your thermal loop requirements.  
Agency approvals: UL Listed, CSA, CE, RoHS,  
W.E.E.E. FM  
Watlow’s EZ-ZONE® PM controllers offer options  
to reduce system complexity and the cost of control-  
loop ownership. You can order the EZ-ZONE® PM as  
a PID controller or an over-under limit controller, or  
you can combine both functions in the PM Integrat-  
ed Limit Controller. You now have the option to in-  
tegrate a high-amperage power controller output, an  
over-under limit controller and a high-performance  
PID controller all in space-saving, panel-mount  
packages. You can also select from a number of se-  
rial communications options to help you manage sys-  
tem performance.  
Assures prompt product acceptance  
Reduces end product documentation costs  
FM approval on Limit Models  
Semi F47-0200  
P3T Armor Sealing System  
NEMA 4X and IP66 offers water and dust resis-  
tance, can be cleaned and washed down  
Backed up by UL 50 independent certification to  
NEMA 4X specification  
It just got a whole lot easier to solve the ther-  
mal requirements of your system. Because the EZ-  
ZONE® PM controllers are highly scalable, you only  
pay for what you need. So if you are looking for a  
PID controller, an over-under limit controller or an  
integrated controller, the EZ-ZONE® PM is the an-  
swer.  
Three-year warranty  
• Demonstrates Watlow’s reliability and product  
support  
Touch-safe Package  
IP2X increased safety for installers and operators  
Removable cage clamp wiring connectors  
Reliable wiring, reduced service calls  
Standard Features and Benefits  
Simplified installation  
Advanced PID Control Algorithm  
TRU-TUNE+® Adaptive tune provides tighter con-  
EZ-Key  
trol for demanding applications.  
Programmable EZ-Key enables simple one-touch  
operation of repetitive user activities  
Auto Tune for fast, efficient start ups  
Programmable Menu System  
High-amperage Power Control Output  
Reduces set up time and increases operator effi-  
Drives 15 amp resistive loads directly  
ciency  
Reduces component count  
Full-featured Alarms  
Improves operator recognition of system faults  
Saves panel space and simplifies wiring  
Reduces the cost of ownership  
Control of auxiliary devices  
EZ-ZONE® configuration communications and  
software  
Heat-Cool Operation  
Saves time and improves the reliability of control-  
Provides application flexibility with accurate tem-  
ler set up  
perature and process control  
FM Approved Over-under Limit with Auxiliary  
Outputs  
Profile Capability  
Preprogrammed process control  
Increases user and equipment safety for over-  
Ramp and soak programming with four files and  
under temperature conditions  
40 total steps  
Parameter Save & Restore Memory  
Reduces service calls and down time  
Watlow EZ-ZONE® PM Integrated Controller  
2
Chapter 1 Overview  
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Keep in mind that a function is a user-pro-  
grammed internal process that does not execute any  
action outside of the controller. To have any effect  
outside of the controller, an output must be config-  
ured to respond to a function.  
A Conceptual View of the PM  
The flexibility of the PM’s software and hardware al-  
lows a large range of configurations. Acquiring a bet-  
ter understanding of the controller’s overall function-  
ality and capabilities while at the same time plan-  
ning out how the controller can be used will deliver  
maximum effectiveness in your application.  
Outputs  
Outputs can perform various functions or actions in  
response to information provided by a function, such  
as operating a heater; turning a light on or off; un-  
locking a door; or turning on a buzzer.  
Assign an output to a Function in the Output  
Menu or Digital Input/Output Menu. Then select  
which instance of that function will drive the select-  
ed output. For example, you might assign an output  
to respond to alarm 4 (instance 4) or to retransmit  
the value of analog input 2 (instance 2).  
It is useful to think of the controller in three  
parts: inputs; procedures; and outputs. Information  
flows from an input to a procedure to an output when  
the controller is properly configured. A single PM  
controller can carry out several procedures at the  
same time, for instance closed-loop control, monitor-  
ing for several different alarm situations and oper-  
ating switched devices, such as lights and motors.  
Each process needs to be thought out carefully and  
the controller’s inputs, procedures and outputs set up  
properly.  
You can assign more than one output to respond  
to a single instance of a function. For example, alarm  
2 could be used to trigger a light connected to output  
1 and a siren connected to digital output 5.  
Inputs  
The inputs provide the information that any given  
programmed procedure can act upon. In a simple  
form, this information may come from an operator  
pushing a button or as part of a more complex pro-  
cedure it may represent a remote set point being re-  
ceived from another controller.  
Each analog input typically uses a thermocouple  
or RTD to read the temperature of something. It can  
also read volts, current or resistance, allowing it to  
use various devices to read humidity, air pressure,  
operator inputs and others values. The settings in  
the Analog Input Menu (Setup Page) for each analog  
input must be configured to match the device con-  
nected to that input.  
Each digital input reads whether a device is active  
or inactive. A PM with digital input-output hardware  
includes two sets of terminals each of which can be  
used as either an input or an output. Each pair of  
terminals must be configured to function as either  
an input or output with the Direction parameter in  
the Digital Input/Output Menu (Setup Page).  
Input Events and Output Events  
Input events are internal states that are set by the  
digital inputs. Digital input 5 provides the state of  
input event 1, and digital input 6 provides the state  
of input event 2. Wait for Event steps in profiles  
are triggered by these events. The setting of Digital  
Input Function (Setup Page, Digital Input/Output  
Menu) does not change the relationship between the  
input and the event, so take care not to configure the  
function in a way that would conflict with a profile  
that uses an input event. An input will still control  
the input event state, even if Digital Input Function  
is set to None.  
Output events are internal states that can only be  
set by profile steps. Outputs 1 through 4 can be con-  
figured to respond to output events.  
The Function or EZ Key on the front panel of the  
PM also operates as a digital input by toggling the  
function assigned to it in the Digital Input Function  
parameter in the Function Key Menu (Setup Page).  
Functions  
Functions use input signals to calculate a value. A  
function may be as simple as reading a digital input  
to set a state to true or false, or reading a tempera-  
ture to set an alarm state to on or off. Or, it could  
compare the temperature of a process to the set point  
and calculate the optimal power for a heater.  
To set up a function, it’s important to tell it what  
source, or instance, to use. For example, an alarm  
may be set to respond to either analog input 1 or 2  
(instance 1 or 2, respectively).  
Watlow EZ-ZONE® PM Integrated Controller  
3
Chapter 1 Overview  
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EZ-ZONE® PM Integrated Model 1/16 DIN with a Current Transformer — Input/Output  
(no communications options 2 to 3)  
Universal Sensor Input, Configuration Communications,  
Red/Green 7-Segment Display  
Output  
Input  
Functions  
Functions  
PID  
Controller  
Board  
Output 1 none, switched dc/open  
collector, form C mechanical (5 A) or  
solid-state (0.5 A) relay, process (V, mA)  
off, heat, cool,  
duplex, alarm,  
retransmit,  
event  
Analog Input 1 thermocouple,  
RTD, process (V, mV, mA, 1k po-  
tentiometer)  
input sensor  
Slot A  
ramp-soak  
with 4 files  
(optional)  
none,  
Output 2 none, switched dc, no-arc  
power control (15 A), form A mechanical  
(5 A) or solid-state (0.5 A) relay  
idle set point,  
alarm reset,  
off, heat, cool,  
alarm, event  
tune,  
silence alarm,  
manual/auto mode,  
control outputs off,  
lock keypad,  
off, heat, cool,  
alarm, event  
Digital Input (or Output) 5  
(optional) none, switch, volts dc  
Digital Output (or Input) 5 (optional)  
none, switched dc  
force alarm,  
TRU-TUNE+® disable  
loop & alarms off,  
profile disable,  
profile hold/resume,  
profile start,  
Digital Input (or Output) 6  
(optional) none, switch, volts dc  
Digital Output (or Input) 6 (optional)  
none, switched dc  
off, heat, cool,  
alarm, event  
Supervisory  
&
Power  
Board  
Slot C  
EZ Key  
programmable event  
profile start/stop,  
restore user settings  
Network  
EIA 485 Communications  
Standard Bus, Modbus RTU (optional)  
remote user interface,  
personal computer,  
programmable logic  
controller, human-  
machine interface  
Output 3 none, switched dc/open  
collector, form C mechanical (5 A) or  
solid-state (0.5 A) relay, process (V, mA)  
off, heat, cool,  
alarm, event,  
retransmit  
Current  
Transformer  
Board  
(optional)  
Slot B  
Analog Input 2  
current transformer  
current transformer  
Output 4 none, switched dc, form A  
mechanical (5 A) or solid-state (0.5 A)  
relay  
off, heat, cool,  
alarm, event  
Current Monitoring  
detects heater current flow  
provides an alarm indication of a failed-load issue.  
Watlow EZ-ZONE® PM Integrated Controller  
4
Chapter 1 Overview  
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EZ-ZONE® PM Integrated Model 1/16 DIN with Remote Set Point — Input/Output  
(no communications options 2 to 3)  
Universal Sensor Input, Configuration Communications,  
Red/Green 7-Segment Display  
Output  
Input  
Functions  
Functions  
PID  
Controller  
Board  
Output 1 none, switched dc/open  
collector, form C mechanical (5 A) or  
solid-state (0.5 A) relay, process (V, mA)  
off, heat, cool,  
duplex, alarm,  
retransmit,  
event  
Analog Input 1 thermocouple,  
RTD, process (V, mV, mA, 1k po-  
tentiometer)  
input sensor  
Slot A  
ramp-soak  
with 4 files  
(optional)  
none,  
Output 2 none, switched dc, no-arc  
power control (15 A), form A mechanical  
(5 A) or solid-state (0.5 A) relay  
idle set point,  
alarm reset,  
off, heat, cool,  
alarm, event  
tune,  
silence alarm,  
manual/auto mode,  
control outputs off,  
local-remote,  
off, heat, cool,  
alarm, event  
Digital Input (or Output) 5  
(optional) none, switch, volts dc  
Digital Output (or Input) 5 (optional)  
none, switched dc  
lock keypad,  
force alarm,  
TRU-TUNE+® disable  
loop & alarms off,  
profile disable,  
profile hold/resume,  
profile start,  
Digital Input (or Output) 6  
(optional) none, switch, volts dc  
Digital Output (or Input) 6 (optional)  
none, switched dc  
off, heat, cool,  
alarm, event  
Supervisory  
&
Power  
Board  
Slot C  
EZ Key  
programmable event  
profile start/stop,  
restore user settings  
EIA 485 Communications  
Standard Bus, Modbus RTU (optional)  
Network  
remote user interface,  
personal computer,  
programmable logic  
controller, human-  
machine interface  
off, heat, cool,  
duplex, alarm,  
retransmit,  
event  
Output 3 none, switched dc/open  
collector, form C mechanical (5 A) or  
solid-state (0.5 A) relay, process (V, mA)  
Remote Set  
Point  
Board  
(optional)  
Analog Input 2 thermocouple,  
RTD, process (V, mV, mA, 1k po-  
tentiometer)  
input sensor  
Output 4 none, switched dc, form A  
mechanical (5 A) or solid-state (0.5 A)  
relay  
Slot B  
off, heat, cool,  
alarm, event  
Remote Set Point Operation  
Supports efficient set point manipulation from a remote device, such as a master control or PLC.  
Watlow EZ-ZONE® PM Integrated Controller  
5
Chapter 1 Overview  
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EZ-ZONE® PM Integrated Model 1/16 DIN with a Limit — Input/Output  
(no communications options 2 to 3)  
Universal Sensor Input, Configuration Communications,  
Red/Green 7-Segment Display  
Output  
Input  
Functions  
Functions  
PID  
Controller  
Board  
Output 1 none, switched dc/open  
collector, form C mechanical (5 A) or  
solid-state (0.5 A) relay, process (V, mA)  
off, heat, cool,  
duplex, alarm,  
retransmit,  
event  
Analog Input 1 thermocouple,  
RTD, process (V, mV, mA, 1k po-  
tentiometer)  
input sensor  
Slot A  
ramp-soak  
with 4 files  
(optional)  
none, limit reset,  
idle set point,  
Output 2 none, switched dc, no-arc  
power control (15 A), form A mechanical  
(5 A) or solid-state (0.5 A) relay  
off, heat, cool,  
alarm, event  
tune,  
alarm reset,  
silence alarm,  
manual/auto mode,  
control outputs off,  
lock keypad,  
off, heat, cool,  
alarm, event  
Digital Input (or Output) 5  
(optional) none, switch, volts dc  
Digital Output (or Input) 5 (optional)  
none, switched dc  
force alarm,  
TRU-TUNE+® disable  
loop & alarms off,  
profile disable,  
profile hold/resume,  
profile start,  
Digital Input (or Output) 6  
(optional) none, switch, volts dc  
Digital Output (or Input) 6 (optional)  
none, switched dc  
off, heat, cool,  
alarm, event  
Supervisory  
&
Power  
Board  
Slot C  
EZ Key  
programmable event  
profile start/stop,  
restore user settings  
Network  
EIA 485 Communications  
Standard Bus, Modbus RTU (optional)  
remote user interface,  
personal computer,  
programmable logic  
controller, human-  
machine interface  
off, heat, cool,  
duplex, alarm,  
retransmit,  
Output 3 none, switched dc/open  
collector, form C mechanical (5 A) or  
solid-state (0.5 A) relay, process (V, mA)  
Limit  
Controller  
Board  
(optional)  
Slot B  
Analog Input 2 thermocouple,  
RTD, process (V, mV, mA, 1k po-  
tentiometer)  
event, limit  
input sensor  
Output 4  
form A mechanical (5 A) relay  
limit  
Integrated PID and Limit Controller  
Reduces wiring time and termination complexity compared to connecting separate products  
Reduces panel space  
Reduces installation costs  
Increases dependability with backup control sensor operation  
Increases user and equipment safety for over-under temperature conditions  
Watlow EZ-ZONE® PM Integrated Controller  
6
Chapter 1 Overview  
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EZ-ZONE® PM Integrated Model 1/16 DIN with Expanded Communications  
— Input/Output  
Universal Sensor Input, Configuration Communications,  
Red/Green 7-Segment Display  
Output  
Input  
Functions  
Functions  
PID  
Controller  
Board  
Output 1 none, switched dc/open  
collector, form C mechanical (5 A) or  
solid-state (0.5 A) relay, process (V, mA)  
off, heat, cool,  
duplex, alarm,  
retransmit,  
event  
Analog Input 1 thermocouple,  
RTD, process (V, mV, mA, 1k po-  
tentiometer)  
input sensor  
Slot A  
ramp-soak  
with 4 files  
(optional)  
Output 2 none, switched dc, no-arc  
power control (15 A), form A mechanical  
(5 A) or solid-state (0.5 A) relay  
none,  
off, heat, cool,  
alarm, event  
idle set point,  
tune,  
alarm reset,  
silence alarm,  
manual/auto mode,  
control outputs off,  
lock keypad,  
off, heat, cool,  
alarm, event  
Digital Input (or Output) 5  
(optional) none, switch, volts dc  
Digital Output (or Input) 5 (optional)  
none, switched dc  
force alarm,  
TRU-TUNE+® disable  
loop & alarms off,  
profile disable,  
profile hold/resume,  
profile start,  
Digital Input (or Output) 6  
(optional) none, switch, volts dc  
Digital Output (or Input) 6 (optional)  
none, switched dc  
off, heat, cool,  
alarm, event  
Supervisory  
&
Power  
Board  
Slot C  
EZ Key  
programmable event  
profile start/stop,  
restore user settings  
EIA 485 Communications  
Network  
Standard Bus, Modbus RTU (optional)  
remote user interface,  
personal computer,  
programmable logic  
controller, human-  
machine interface  
Communications  
EIA-232/485 Modbus RTU,  
EtherNet/IPTM, Modbus TCP  
Communi-  
cations  
Board  
(optional)  
Slot B  
Serial Communication Capabilities  
Supports network connectivity to a PC or PLC  
Available in a wide range of protocol choices, including Modbus RTU, EtherNet/IP™, Modbus TCP  
Watlow EZ-ZONE® PM Integrated Controller  
7
Chapter 1 Overview  
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Chapter 2:  
Install and Wire  
2
Dimensions  
15.8 mm  
(0.62 in)  
101.6 mm  
(4.00 in)  
53.3 mm  
(2.10 in)  
53.3 mm  
(2.10 in)  
Side  
Front  
L1  
K1  
J1  
L2  
K2  
T1  
S1  
R1  
98  
99  
L3  
K3  
J3  
L4  
K4  
T2  
S2  
R2  
CF  
CD  
CE  
B5  
D6  
D5  
51.2 mm  
(2.02 in)  
Top  
Back  
45.2 mm  
(1.78 in)  
Recommended panel spacing  
45.2 mm  
(1.78 in)  
panel thickness 1.53 to 9.52 mm  
(0.060 to 0.375)  
21.6 mm  
(0.85 in)  
21.6 mm  
(0.85 in)  
Watlow EZ-ZONE® PM Integrated Controller  
8
Chapter 2 Install and Wire  
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The tabs on each side of the mounting collar have  
teeth that latch into the ridges on the sides of the  
controller. Each tooth is staggered at a different  
depth from the front so that only one of the tabs,  
on each side, is locked onto the ridges at a time.  
Installation  
panel  
bezel  
retention collar  
gasket  
Note: There is a graduated measurement difference between  
the upper and lower half of the display to the panel. In order to  
meet the seal requirements mentioned above, ensure that the  
distance from the front of the top half of the display to the panel  
is 16 mm (0.630 in.) or less, and the distance from the front of  
the bottom half and the panel is 13.3 mm (0.525 in.) or less.  
case  
Removing the Mounted Controller from Its Case  
1. From the controller's face, pull out the tab on  
each side until you hear it click.  
1. Make the panel cutout using the mounting tem-  
plate dimensions in this chapter.  
Insert the case assembly into the panel cutout.  
2. While pressing the case assembly firmly against  
the panel, slide the mounting collar over the back  
of the controller.  
If the installation does not require a NEMA 4X  
seal, slide the mounting collar up to the back of  
the panel tight enough to eliminate the spacing  
between the gasket and the panel.  
Pull out the tab on each side  
until you hear it click.  
Grab the unit above and below  
the face and pull forward.  
2. Once the sides are released, grab the unit above  
and below the face with two hands and pull the  
unit out.  
If it is difficult to pull the unit out, remove the  
connectors from the back of the controller. This  
should make it easier to remove.  
ÓWarning:  
• This equipment is suitable for use in class 1, div. 2, Groups  
A, B, C and D or Non-Hazardous locations only. Temperature  
Code T4A.  
• WARNING – EXPLOSION HAZARD. Substitution of component  
may impair suitability for class 1, div. 2.  
Slide the mounting collar over Place the blade of a screw-  
the back of the controller.  
driver in the notch of the  
mounting collar assembly.  
• WARNING – EXPLOSION HAZARD. Do not disconnect equip-  
ment unless power has been switched off or the area is known  
to be nonhazardous.  
3. For a NEMA 4X (UL50, IP66) seal, place the  
blade of a screwdriver in the notch of the mount-  
ing collar assembly and push toward the panel  
while applying pressure to the face of the control-  
ler. Don't be afraid to apply enough pressure to  
properly install the controller. The seal system is  
compressed more by mating the mounting collar  
tighter to the front panel (see pictures above). If  
you can move the case assembly back and forth  
in the cutout, you do not have a proper seal.  
Watlow EZ-ZONE® PM Integrated Controller  
9
Chapter 2 Install and Wire  
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Returning the Controller to its Case  
1. Ensure that the orientation of the controller is  
correct and slide it back into the housing.  
Note: The controller is keyed so if it feels that it will not  
slide back in do not force it. Check the orientation again  
and reinsert after correcting.  
2. Using your thumbs push on either side of the con-  
troller until both latches click.  
Chemical Compatibility  
This product is compatible with acids, weak alkalis,  
alcohols, gamma radiation and ultraviolet radiation.  
This product is not compatible with strong alkalis,  
organic solvents, fuels, aromatic hydrocarbons, chlo-  
rinated hydrocarbons, esters and keytones.  
ÓWarning:  
All electrical power to the controller and controlled circuits  
must be disconnected before removing the controller from the  
front panel or disconnecting other wiring.  
Failure to follow these instructions may cause an electrical  
shock and/or sparks that could cause an explosion in class 1,  
div. 2 hazardous locations.  
Watlow EZ-ZONE® PM Integrated Controller  
10  
Chapter 2 Install and Wire  
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Slot A  
Slot B  
Output  
Terminal Function  
Configuration  
1
2
3
4
X1  
W1  
Y1  
X3  
W3  
Y3  
common (Any switched dc output can use this common.) Switched dc/open collector  
dc- (open collector)  
dc+  
output 1: PM6 _ _ C _-_ _ _ _ A _ _  
output 3: PM6 _ _ _ _-_ _ C _ A _ _  
W2  
Y2  
W4 dc-  
Y4 dc+  
Switched dc  
output 2: PM6 _ _ _ C-_ _ _ _ A _ _  
output 4: PM6 _ _ _ _-_ _ _ C A _ _  
F1  
G1  
H1  
F3  
G3  
H3  
voltage or current -  
voltage +  
current +  
Universal Process  
output 1: PM6 _ _ F _-_ _ _ _ A _ _  
output 3: PM6 _ _ _ _-_ _ F _ A _ _  
L1  
K1  
J1  
L3  
K3  
J3  
normally open  
common  
normally closed  
Mechanical Relay 5 A, Form C  
output 1: PM6 _ _ E _-_ _ _ _ A _ _  
output 3: PM6 _ _ _ _-_ _ E _ A _ _  
L2  
K2  
normally open  
common  
No-arc 15 A, Form A  
output 2: PM6 _ _ _ H-_ _ _ _ A _ _  
L2  
K2  
L4 normally open  
K4 common  
Mechanical Relay 5 A, Form A  
output 2: PM6 _ _ _ J-_ _ _ _ A _ _  
output 4: PM6 _ _ _ _-_ _ _ J A _ _  
L1  
L2  
L3  
L4 normally open  
Solid-state Relay 0.5 A, Form A  
output 1: PM6 _ _ K _-_ _ _ _ A _ _  
output 2: PM6 _ _ _ K-_ _ _ _ A _ _  
output 3: PM6 _ _ _ _-_ _ K _ A _ _  
output 4: PM6 _ _ _ _-_ _ _ K A _ _  
K1 K2 K3 K4 common  
Communications  
CB  
CA  
CC  
CB  
CA  
C5  
C3  
C2  
Modbus RTU EIA-485 T+/R+  
Modbus RTU EIA-485 T-/R-  
Modbus RTU 232/485 Communications  
PM6 _ _ _ _-2 A A A A _ _  
Modbus RTU EIA-485 common  
Modbus RTU EIA-485 T+/R+  
Modbus RTU EIA-485 T-/R-  
Modbus RTU EIA-232 common  
Modbus RTU EIA-232 to DB9 pin 2  
Modbus RTU EIA-232 to DB9 pin 3  
V+  
CH  
SH  
CL  
V-  
DeviceNet™ power  
Positive side of DeviceNet™ bus  
Shield interconnect  
Negative side of DeviceNet™ bus  
DeviceNet™ power return  
DeviceNet™ Communications  
PM6 _ _ _ _-5 A A A A _ _  
E8  
E7  
E6  
E5  
E4  
E3  
E2  
E1  
EtherNet/IP™ and Modbus TCP unused  
EtherNet/IP™ and Modbus TCP unused  
EtherNet/IP™ and Modbus TCP receive -  
EtherNet/IP™ and Modbus TCP unused  
EtherNet/IP™ and Modbus TCP unused  
EtherNet/IP™ and Modbus TCP receive +  
EtherNet/IP™ and Modbus TCP transmit -  
EtherNet/IP™ and Modbus TCP transmit +  
Ethernet 10/100 supporting EtherNet/IP™  
and Modbus TCP  
PM6 _ _ _ _-3 A A A A _ _  
Inputs  
1
2
T1  
S1  
R1  
T2  
S2  
R2  
S2 (RTD) or current +, potentiometer wiper  
S3 (RTD), thermocouple -, current - or volts -  
S1 (RTD), thermocouple + or volts +  
Universal Sensor  
input 1: all configurations  
input 2: PM6 _ _ _ _-_ (R or L) _ _ A _ _  
T2  
S2  
mA ac  
mA ac  
Current Transformer  
PM6 _ _ _ _-_ T _ _ A _ _  
Terminal Definitions for Slots A and B.  
Slot A  
Slot B  
Slot C  
Slot B  
or  
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Slot C Terminal Function  
Configuration  
98  
99  
power input: ac or dc+  
power input: ac or dc-  
all  
CC  
CA  
CB  
Standard Bus or Modbus RTU EIA-485 common Standard Bus or Modbus  
Standard Bus or Modbus RTU EIA-485 T-/R-  
Standard Bus or Modbus RTU EIA-485 T+/R+  
PM6 _ _ _ _-1 _ _ _ A _ _  
CF  
CD  
CE  
Standard Bus EIA-485 common  
Standard Bus EIA-485 T-/R-  
Standard Bus EIA-485 T+/R+  
PM6 _ _ _ _-(A, 2 or 3) _ _ _ A _ _  
B5  
D6  
D5  
digital input-output common  
digital input or output 6  
digital input or output 5  
PM6 _ 2 _ _-_ _ _ _ A _ _  
PM6 _ 4 _ _-_ _ _ _ A _ _  
Terminal Definitions for Slot C.  
Slot A  
Slot B  
Slot C  
Slot B  
or  
Digital Inputs and  
Outputs 5 & 6  
No Isolation  
Switched DC, Open  
Collector, Process Outputs  
No Isolation  
No Isolation  
Analog Input 1  
Analog Input 2  
Low-voltage  
Isolation  
Controller  
Power Supply  
12 to 40VÎ (dc)  
24 to 28VÅ (ac)  
85 to 264VÅ (ac)  
Low voltage power bus  
and  
Safety Isolation  
Mechanical Relay,  
Solid-state Relay &  
No-arc Relay Outputs  
internal bus  
Safety Isolation  
EIA-485  
Communications Port  
Low-voltage  
Isolation  
RS-232/EIA-485  
Communications Port  
Low-voltage  
Isolation  
Ethernet  
Communications Port  
Low-voltage  
Isolation  
PM Integrated isolation blocks.  
Low-voltage Isolation: 42V peak  
Safety Isolation: 1,528VÅ (ac)  
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Low Power  
Ó
Slot C  
power  
98  
99  
Warning:  
fuse  
power  
Use National Electric (NEC)  
or other country-specific  
standard wiring and safety  
practices when wiring and  
connecting this controller to  
a power source and to elec-  
trical sensors or peripheral  
devices. Failure to do so may  
result in damage to equip-  
ment and property, and/or  
injury or loss of life.  
• 12 to 40VÎ (dc)  
• 20 to 28VÅ (ac)  
• 20 to 28VÅ (ac) Semi Sig F47  
• 47 to 63 Hz  
• 10VA maximum power consumption  
PM6 _ (3 or 4) _ _-_ _ _ _ A _ _  
CF  
CD  
CE  
B5  
D6  
D5  
High Power  
Note:  
Slot C  
Maximum wire size termina-  
tion and torque rating:  
• 0.0507 to 3.30 mm (30 to  
power  
98  
fuse  
power  
2
99  
• 85 to 264VÅ (ac)  
• 100 to 240VÅ (ac) Semi Sig F47  
• 47 to 63 Hz  
• 10VA maximum power consumption  
PM6 _ (1 or 2) _ _-_ _ _ _ A _ _  
CF  
CD  
CE  
B5  
D6  
D5  
12 AWG) single-wire termi-  
nation or two 1.31 mm (16  
AWG)  
2
• 0.8 Nm (7.0 lb.-in.) torque  
Note:  
Adjacent terminals may be  
labeled differently, depend-  
ing on the model number.  
Digital Input or Output 5  
Note:  
Digital Input  
• update rate 10 Hz  
• dry contact or dc voltage  
Digital Output  
• update rate 10 Hz  
• output voltage 24V  
• current limit, Output 5, 24 mA  
maximum  
• capable of driving a 3-pole  
DIN-A-MITE  
• open-circuit voltage 22 to  
32VÎ (dc)  
PM6 _ (2 or 4) _ _-_ _ _ _ A _ _  
To prevent damage to the  
controller, do not connect  
wires to unused terminals.  
Slot C  
98  
99  
DC voltage  
CF  
• maximum input 36V at 3 mA  
• minimum high state 3V @ 0.25 mA  
• maximum low state 2V  
Note:  
CD  
Maintain electrical isolation  
between analog input 1, digi-  
tal input-outputs, switched  
dc/open collector outputs and  
process outputs to prevent  
ground loops.  
CE  
B5 common -  
Dry contact  
• minimum open resistance 500 Ω  
• maximum closed resistance 100 Ω  
• maximum short circuit 13 mA  
D6  
D5 input or output +  
Note:  
The control output common  
terminal and the digital com-  
mon terminal are referenced  
to different voltages and  
must remain isolated.  
Digital Input or Output 6  
Digital Input  
Digital Output  
• update rate 10 Hz  
• output voltage 24V  
• current limit, Output 6, 10 mA  
maximum  
• capable of driving a single-pole  
DIN-A-MITE  
• open-circuit voltage 22 to  
32VÎ (dc)  
PM6 _ (2 or 4) _ _-_ _ _ _ A _ _  
Slot C  
• update rate 10 Hz  
• dry contact or dc voltage  
98  
99  
DC voltage  
CF  
• maximum input 36V at 3 mA  
• minimum high state 3V @ 0.25 mA  
• maximum low state 2V  
CD  
CE  
Dry contact  
B5 common -  
D6 input or output +  
D5  
• minimum open resistance 500 Ω  
• maximum closed resistance 100 Ω  
• maximum short circuit 13 mA  
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Input 1 Thermocouple  
Ó
Warning:  
Slot A  
L1  
• 20 Ω maximum source resistance  
• >20 MΩ input impedance  
• 3 microampere open-sensor detection  
• Thermocouples are polarity sensitive. The negative lead (usually  
red) must be connected to S1.  
• To reduce errors, the extension wire for thermocouples must be  
of the same alloy as the thermocouple.  
Use National Electric (NEC)  
or other country-specific  
standard wiring and safety  
practices when wiring and  
connecting this controller to  
a power source and to elec-  
trical sensors or peripheral  
devices. Failure to do so may  
result in damage to equip-  
ment and property, and/or  
injury or loss of life.  
K1  
J1  
L2  
K2  
T1  
-
PM6 _ _ _ _-_ _ _ _ A _ _ (all)  
S1  
+
R1  
Input 1 RTD  
Note:  
Slot A  
Slot A  
Maximum wire size termina-  
tion and torque rating:  
• 0.0507 to 3.30 mm (30 to  
12 AWG) single-wire termi-  
nation or two 1.31 mm (16  
• platinum, 100 and 1,000 Ω @ 0°C  
L1  
L1  
• calibration to DIN curve (0.00385 Ω/Ω/°C)  
• 20 Ω total lead resistance  
2
K1  
K1  
J1  
L2  
K2  
• RTD excitation current of 0.09 mA typical. Each  
ohm of lead resistance may affect the reading by  
0.03°C.  
• For 3-wire RTDs, the S1 lead (usually white) must  
be connected to R1.  
• For best accuracy use a 3-wire RTD to compensate  
for lead-length resistance. All three lead wires must  
have the same resistance.  
J1  
L2  
K2  
T1  
S1  
2
AWG)  
• 0.8 Nm (7.0 lb.-in.) torque  
S2  
T1  
S3  
S1  
R1  
S3  
Note:  
S1  
S1 R1  
3-wire  
Adjacent terminals may be  
labeled differently, depend-  
ing on the model number.  
PM6 _ _ _ _-_ _ _ _ A _ _ (all)  
2-wire  
Note:  
Input 1 Process  
To prevent damage to the  
controller, do not connect  
wires to unused terminals.  
Slot A  
Slot A  
L1  
L1  
K1  
J1  
K1  
J1  
L2  
K2  
T1  
Note:  
• 0 to 20 mA @ 100 Ω input impedance  
• 0 to 10VÎ (dc) @ 20 kΩ input impedance  
• 0 to 50 mVÎ (dc) @ 20 kΩ input impedance  
• scalable  
Maintain electrical isolation  
between analog input 1, digi-  
tal input-outputs, switched  
dc/open collector outputs and  
process outputs to prevent  
ground loops.  
L2  
K2  
T1  
S1  
R1  
+
-
PM6 _ _ _ _-_ _ _ _ A _ _ (all)  
-
S1  
+
R1  
amperes  
volts  
Note:  
The control output common  
terminal and the digital com-  
mon terminal are referenced  
to different voltages and  
must remain isolated.  
Input 1 Potentiometer  
Slot A  
L1  
K1  
J1  
• Use a 1 kΩ potentiometer.  
PM6 _ _ _ _-_ _ _ _ A _ _ (all)  
L2  
K2  
T1  
S1  
R1  
CW  
CCW  
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Input 2 Thermocouple  
Ó
Warning:  
Slot B  
L3  
• 20 Ω maximum source resistance  
• >20 MΩ input impedance  
• 3 microampere open-sensor detection  
• Thermocouples are polarity sensitive. The negative lead (usually  
red) must be connected to S2.  
• To reduce errors, the extension wire for thermocouples must be  
of the same alloy as the thermocouple.  
Use National Electric (NEC)  
or other country-specific  
standard wiring and safety  
practices when wiring and  
connecting this controller to  
a power source and to elec-  
trical sensors or peripheral  
devices. Failure to do so may  
result in damage to equip-  
ment and property, and/or  
injury or loss of life.  
K3  
J3  
L4  
K4  
T2  
-
PM6 _ _ _ _-_ (R or L) _ _ A _ _  
S2  
+
R2  
Input 2 RTD  
Note:  
Slot B  
Slot B  
Maximum wire size termina-  
tion and torque rating:  
• 0.0507 to 3.30 mm (30 to  
12 AWG) single-wire termi-  
nation or two 1.31 mm (16  
• platinum, 100 and 1,000 Ω @ 0°C  
L3  
L3  
• calibration to DIN curve (0.00385 Ω/Ω/°C)  
• 20 Ω total lead resistance  
2
K3  
K3  
J3  
L4  
K4  
• RTD excitation current of 0.09 mA typical. Each  
ohm of lead resistance may affect the reading by  
0.03°C.  
J3  
2
L4  
AWG)  
• For 3-wire RTDs, the S1 lead (usually white) must  
be connected to R2.  
• For best accuracy use a 3-wire RTD to compensate  
for lead-length resistance. All three lead wires must  
have the same resistance.  
K4  
T2  
S2  
• 0.8 Nm (7.0 lb.-in.) torque  
S2  
T2  
S3  
S3  
S2  
Note:  
S1  
Adjacent terminals may be  
labeled differently, depend-  
ing on the model number.  
S1 R2  
3-wire  
R2  
PM6 _ _ _ _-_ (R or L) _ _ A _ _  
2-wire  
Note:  
Input 2 Process  
To prevent damage to the  
controller, do not connect  
wires to unused terminals.  
Slot B  
Slot B  
L3  
L3  
K3  
J3  
K3  
J3  
L4  
K4  
T2  
Note:  
• 0 to 20 mA @ 100 Ω input impedance  
• 0 to 10VÎ (dc) @ 20 kΩ input impedance  
• 0 to 50 mVÎ (dc) @ 20 kΩ input impedance  
• scalable  
Maintain electrical isolation  
between analog input 1, digi-  
tal input-outputs, switched  
dc/open collector outputs and  
process outputs to prevent  
ground loops.  
L4  
K4  
T2  
S2  
R2  
+
-
PM6 _ _ _ _-_ (R, T or L) _ _ A _ _  
-
S2  
+
R2  
amperes  
volts  
Note:  
The control output common  
terminal and the digital com-  
mon terminal are referenced  
to different voltages and  
must remain isolated.  
Input 2 Potentiometer  
Slot B  
L3  
K3  
J3  
• Use a 1 kΩ potentiometer.  
PM6 _ _ _ _-_ (R or L) _ _ A _ _  
L4  
K4  
T2  
S2  
R2  
CW  
CCW  
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Input 2 Current Transformer  
Ó
Slot B  
L3  
Warning:  
K3  
Use National Electric (NEC)  
or other country-specific  
standard wiring and safety  
practices when wiring and  
connecting this controller to  
a power source and to elec-  
trical sensors or peripheral  
devices. Failure to do so may  
result in damage to equip-  
ment and property, and/or  
injury or loss of life.  
• Input range is 0 to 50 mA.  
J3  
• current transformer part number: 16-0246  
• 100 Ω input impedance  
• response time: 1 second maximum  
• accuracy +/-1 mA typical  
L4  
K4  
T2  
S2  
R2  
PM6 _ _ _ _-_ T _ _ A _ _  
Note:  
Maximum wire size termina-  
tion and torque rating:  
2
• 0.0507 to 3.30 mm (30 to  
12 AWG) single-wire termi-  
2
nation or two 1.31 mm (16  
AWG)  
• 0.8 Nm (7.0 lb.-in.) torque  
Note:  
Adjacent terminals may be  
labeled differently, depend-  
ing on the model number.  
Note:  
To prevent damage to the  
controller, do not connect  
wires to unused terminals.  
Note:  
Maintain electrical isolation  
between analog input 1, digi-  
tal input-outputs, switched  
dc/open collector outputs and  
process outputs to prevent  
ground loops.  
Note:  
The control output common  
terminal and the digital com-  
mon terminal are referenced  
to different voltages and  
must remain isolated.  
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Output 1 Switched DC/Open Collector  
Ó
Switched DC  
• 30 mA dc maximum supply  
Slot A  
common  
X1  
Warning:  
current  
dc -(open collector) W1  
Use National Electric (NEC)  
or other country-specific  
standard wiring and safety  
practices when wiring and  
connecting this controller to  
a power source and to elec-  
trical sensors or peripheral  
devices. Failure to do so may  
result in damage to equip-  
ment and property, and/or  
injury or loss of life.  
• short circuit limited to <50 mA  
• 22 to 32VÎ (dc) open circuit  
Switched DC  
dc +  
Y1  
voltage  
dc-  
W1  
-
L2  
K2  
T1  
S1  
R1  
• Use dc- and dc+ to drive exter-  
nal solid-state relay.  
• DIN-A-MITE compatible  
• single-pole: up to 4 in parallel  
or 4 in series  
• 2-pole: up to 2 in parallel or 2  
in series  
Load  
dc+  
+
Y1  
Internal  
Circuitry  
• 3-pole: up to 2 in series  
Open Collector  
• 100 mA maximum output cur-  
rent sink  
Note:  
• 30VÎ (dc) maximum supply  
voltage  
Open  
Collector  
Power  
Supply  
+
Maximum wire size termina-  
tion and torque rating:  
• 0.0507 to 3.30 mm (30 to  
12 AWG) single-wire termi-  
nation or two 1.31 mm (16  
-
X1  
common  
dc-  
Any switched dc output can  
use the common terminal.  
W1  
2
• Use an external power supply  
to control a dc load, with the  
load positive to the positive  
of the power supply, the load  
negative to the open collector  
and common to the power sup-  
ply negative.  
Load  
dc+  
2
Internal  
Circuitry  
AWG)  
• 0.8 Nm (7.0 lb.-in.) torque  
See Quencharc note.  
PM6 _ _ C _-_ _ _ _ A _ _  
Note:  
Adjacent terminals may be  
labeled differently, depend-  
ing on the model number.  
Output 1 Mechanical Relay, Form C  
Note:  
Slot A  
To prevent damage to the  
controller, do not connect  
wires to unused terminals.  
normally open  
L1  
K1  
J1  
• 5 A at 240VÅ (ac) or 30VÎ (dc)  
maximum resistive load  
• 20 mA at 24V minimum load  
• 125 VA pilot duty at 120/240VÅ  
Mechanical  
Relay  
common  
normally closed  
normally  
open  
L1  
K1  
J1  
Note:  
(ac), 25 VA at 24VÅ(ac)  
L2  
K2  
T1  
S1  
R1  
common  
• 100,000 cycles at rated load  
• Output does not supply power.  
• for use with ac or dc  
See Quencharc note.  
PM6 _ _ E _-_ _ _ _ A _ _  
Maintain electrical isolation  
between analog input 1, digi-  
tal input-outputs, switched  
dc/open collector outputs and  
process outputs to prevent  
ground loops.  
normally  
closed  
Internal  
Circuitry  
Note:  
Output 1 Universal Process  
The control output common  
terminal and the digital com-  
mon terminal are referenced  
to different voltages and  
must remain isolated.  
Slot A  
volts or current -  
• 0 to 20 mA into 800 Ω maxi-  
mum load  
• 0 to 10VÎ (dc) into voltage 1  
kΩ minimum load  
• scalable  
• output supplies power  
• cannot use voltage and current  
outputs at same time  
• Output may be used as re-  
transmit or control.  
F1  
G1  
H1  
L2  
K2  
T1  
S1  
R1  
volts +  
current +  
Quencharc Note:  
Switching pilot duty inductive  
loads (relay coils, solenoids,  
etc.) with the mechanical  
relay, solid state relay or  
open collector output options  
requires use of an R.C. sup-  
pressor.  
PM6 _ _ F _-_ _ _ _ A _ _  
Note: If output 1 is a universal process output, output 2 cannot function as a variable-time-base output.  
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Output 1 Solid-state Relay, Form A  
Ó
Slot A  
normally open  
• 0.5 A at 20 to 264VÅ (ac) maxi-  
mum resistive load  
• 20 VA 120/240VÅ (ac) pilot duty  
L1  
K1  
Warning:  
common  
Use National Electric (NEC)  
or other country-specific  
standard wiring and safety  
practices when wiring and  
connecting this controller to  
a power source and to elec-  
trical sensors or peripheral  
devices. Failure to do so may  
result in damage to equip-  
ment and property, and/or  
injury or loss of life.  
Solid-state Relay  
Internal Circuitry  
• opto-isolated, without contact  
suppression  
• maximum off state leakage of  
105 microamperes  
• output does not supply power  
• Do not use on dc loads.  
• See Quencharc note.  
normally  
open  
L1  
K1  
L2  
K2  
T1  
S1  
R1  
common  
PM6 _ _ K _-_ _ _ _ A _ _  
Output 2 Switched DC  
Note:  
Slot A  
Maximum wire size termina-  
tion and torque rating:  
• 0.0507 to 3.30 mm (30 to  
• 10 mA DC maximum supply  
current  
• short circuit limited to <50 mA  
• 22 to 32VÎ (dc) open circuit  
L1  
K1  
2
Switched DC  
J1  
dc- W2  
dc-  
W2  
12 AWG) single-wire termi-  
-
voltage  
2
Load  
nation or two 1.31 mm (16  
• use dc- and dc+ to drive exter-  
nal solid-state relay  
• DIN-A-MITE compatible  
• single-pole: up to 2 in series,  
none in parallel  
PM6 _ _ _ C-_ _ _ _ A _ _  
dc+  
Y2  
dc+  
+
AWG)  
Y2  
Internal  
Circuitry  
• 0.8 Nm (7.0 lb.-in.) torque  
T1  
S1  
R1  
Note:  
Adjacent terminals may be  
labeled differently, depend-  
ing on the model number.  
Output 2 No-arc Relay, Form A  
Note:  
Slot A  
To prevent damage to the  
controller, do not connect  
wires to unused terminals.  
L1  
• 15 A at 85 to 264VÅ (ac) resis-  
tive load only  
• 2,000,000 cycle rating for no-arc  
circuit (preliminary)  
K1  
J1  
Note:  
normally open  
common  
L2  
K2  
T1  
S1  
R1  
• 100 mA minimum load  
• 2 mA maximum off state leakage  
• Do not use on dc loads.  
• Output does not supply power.  
PM6 _ _ _ H-_ _ _ _ A _ _  
Maintain electrical isolation  
between analog input 1, digi-  
tal input-outputs, switched  
dc/open collector outputs and  
process outputs to prevent  
ground loops.  
Note:  
The control output common  
terminal and the digital com-  
mon terminal are referenced  
to different voltages and  
must remain isolated.  
Output 2 Mechanical Relay, Form A  
Slot A  
L1  
K1  
J1  
• 5 A at 240VÅ (ac) or 30VÎ (dc)  
maximum resistive load  
• 20 mV at 24V minimum load  
• 125 VA pilot duty @ 120/240VÅ  
Mechanical  
Relay  
Quencharc Note:  
normally  
open  
normally open  
common  
(ac), 25 VA at 24VÅ (ac)  
L2  
K2  
T1  
S1  
R1  
Switching pilot duty inductive  
loads (relay coils, solenoids,  
etc.) with the mechanical  
relay, solid state relay or  
open collector output options  
requires use of an R.C. sup-  
pressor.  
L2  
K2  
• 100,000 cycles at rated load  
• Output does not supply power.  
• for use with ac or dc  
See Quencharc note.  
PM6 _ _ _ J-_ _ _ _ A _ _  
common  
Internal  
Circuitry  
Watlow EZ-ZONE® PM Integrated Controller  
18  
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Output 2 Solid-state Relay, Form A  
Ó
Slot A  
• 0.5 A at 20 to 264VÅ (ac) maxi-  
mum resistive load  
• 20 VA 120/240VÅ (ac) pilot duty  
• opto-isolated, without contact  
suppression  
L1  
K1  
J1  
Warning:  
Use National Electric (NEC)  
or other country-specific  
standard wiring and safety  
practices when wiring and  
connecting this controller to  
a power source and to elec-  
trical sensors or peripheral  
devices. Failure to do so may  
result in damage to equip-  
ment and property, and/or  
injury or loss of life.  
Solid-state Relay  
Internal Circuitry  
normally  
open  
L2  
K2  
normally open  
common  
L2  
K2  
T1  
S1  
R1  
• maximum off state leakage of  
105 microamperes  
• Output does not supply power.  
• Do not use on dc loads.  
See Quencharc note.  
common  
PM6 _ _ _ K-_ _ _ _ A _ _  
Output 3 Switched DC/Open Collector  
Note:  
Switched DC  
• 30 mA dc maximum supply  
Slot B  
Maximum wire size termina-  
tion and torque rating:  
• 0.0507 to 3.30 mm (30 to  
12 AWG) single-wire termi-  
nation or two 1.31 mm (16  
common  
X3  
current  
dc -(open collector) W3  
• short circuit limited to <50 mA  
• 22 to 32VÎ (dc) open circuit  
2
Switched DC  
dc + Y3  
voltage  
2
L4  
K4  
T2  
S2  
R2  
• Use dc- and dc+ to drive exter-  
nal solid-state relay.  
• DIN-A-MITE compatible  
• single-pole: up to 4 in parallel  
or 4 in series  
• 2-pole: up to 2 in parallel or 2  
in series  
dc-  
W3  
-
AWG)  
Load  
dc+  
+
Y3  
• 0.8 Nm (7.0 lb.-in.) torque  
Internal  
Circuitry  
Note:  
Adjacent terminals may be  
labeled differently, depend-  
ing on the model number.  
• 3-pole: up to 2 in series  
Open Collector  
• 100 mA maximum output cur-  
rent sink  
• 30VÎ (dc) maximum supply  
Note:  
To prevent damage to the  
controller, do not connect  
wires to unused terminals.  
Open  
Collector  
Power  
Supply  
+
voltage  
Any switched dc output can  
use the common terminal.  
-
X3  
common  
dc-  
W3  
• Use an external power supply  
to control a dc load, with the  
load positive to the positive  
of the power supply, the load  
negative to the open collector  
and common to the power sup-  
ply negative.  
Load  
Note:  
dc+  
Maintain electrical isolation  
between analog input 1, digi-  
tal input-outputs, switched  
dc/open collector outputs and  
process outputs to prevent  
ground loops.  
Internal  
Circuitry  
See Quencharc note.  
PM6 _ _ _ _-_ _ C _ A _ _  
Note:  
Output 3 Mechanical Relay, Form C  
The control output common  
terminal and the digital com-  
mon terminal are referenced  
to different voltages and  
must remain isolated.  
Slot B  
normally open  
L3  
K3  
J3  
• 5 A at 240VÅ (ac) or 30VÎ (dc)  
maximum resistive load  
• 20 mA at 24V minimum load  
• 125 VA pilot duty at 120/240VÅ  
common  
Mechanical  
Relay  
normally closed  
normally  
open  
L3  
(ac), 25 VA at 24VÅ (ac)  
Quencharc Note:  
L4  
K4  
T2  
S2  
R2  
common  
• 100,000 cycles at rated load  
• Output does not supply power.  
• for use with ac or dc  
See Quencharc note.  
PM6 _ _ _ _-_ _ E _ A _ _  
K3  
J3  
Switching pilot duty inductive  
loads (relay coils, solenoids,  
etc.) with the mechanical  
relay, solid state relay or  
open collector output options  
requires use of an R.C. sup-  
pressor.  
normally  
closed  
Internal  
Circuitry  
Watlow EZ-ZONE® PM Integrated Controller  
19  
Chapter 2 Install and Wire  
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Output 3 Universal Process  
Ó
Slot B  
volts or current -  
F3  
Warning:  
• 0 to 20 mA into 800 Ω maxi-  
volts +  
mum load  
• 0 to 10VÎ (dc) into voltage 1  
kΩ minimum load  
• scalable  
G3  
H3  
L4  
Use National Electric (NEC)  
or other country-specific  
standard wiring and safety  
practices when wiring and  
connecting this controller to  
a power source and to elec-  
trical sensors or peripheral  
devices. Failure to do so may  
result in damage to equip-  
ment and property, and/or  
injury or loss of life.  
current +  
• Output supplies power.  
• cannot use voltage and current  
outputs at same time  
• Output may be used as retrans-  
mit or control.  
PM6 _ _ _ _-_ _ F _ A _ _  
K4  
T2  
S2  
R2  
Note: If output 3 is a universal process  
output, output 4 cannot function as a  
variable-time-base output.  
Output 3 Solid-state Relay, Form A  
Slot B  
Note:  
• 0.5 A at 20 to 264VÅ (ac) maxi-  
mum resistive load  
• 20 VA 120/240VÅ (ac) pilot  
duty  
• opto-isolated, without contact  
suppression  
• maximum off state leakage of  
105 microamperes  
• Output does not supply power.  
• Do not use on dc loads.  
See Quencharc note.  
normally open L3  
common K3  
Maximum wire size termina-  
tion and torque rating:  
• 0.0507 to 3.30 mm (30 to  
12 AWG) single-wire termi-  
nation or two 1.31 mm (16  
2
Solid-state Relay  
normally  
open  
L3  
L4  
K4  
T2  
S2  
R2  
2
K3  
common  
AWG)  
Internal Circuitry  
• 0.8 Nm (7.0 lb.-in.) torque  
Note:  
PM6 _ _ _ _ -_ _ K _ A _ _  
Adjacent terminals may be  
labeled differently, depend-  
ing on the model number.  
Output 4 Switched DC  
Note:  
Slot B  
To prevent damage to the  
controller, do not connect  
wires to unused terminals.  
• 10 mA DC maximum supply  
current  
• short circuit limited to <50 mA  
L3  
K3  
Switched DC  
• 22 to 32VÎ (dc) open circuit  
voltage  
• Use dc- and dc+ to drive exter-  
nal solid-state relay.  
• DIN-A-MITE compatible  
• single-pole: up to 2 in series,  
none in parallel  
PM6 _ _ _ _-_ _ _ C A _ _  
J3  
dc-  
+
Load  
dc- W4  
W4  
Note:  
dc+  
Y4  
dc+  
-
Maintain electrical isolation  
between analog input 1, digi-  
tal input-outputs, switched  
dc/open collector outputs and  
process outputs to prevent  
ground loops.  
Y4  
Internal  
Circuitry  
T2  
S2  
R2  
Note:  
Output 4 Mechanical Relay, Form A  
The control output common  
terminal and the digital com-  
mon terminal are referenced  
to different voltages and  
must remain isolated.  
Slot B  
L3  
K3  
J3  
• 5 A at 240VÅ (ac) or 30VÎ (dc)  
maximum resistive load  
• 20 mV at 24V minimum load  
• 125 VA pilot duty at 120/240VÅ  
Mechanical  
Relay  
normally  
normally open  
common  
Quencharc Note:  
(ac), 25 VA at 24VÅ (ac)  
open  
L4  
K4  
T2  
S2  
R2  
L4  
Switching pilot duty inductive  
loads (relay coils, solenoids,  
etc.) with the mechanical  
relay, solid state relay or  
open collector output options  
requires use of an R.C. sup-  
pressor.  
• 100,000 cycles at rated load  
• Output does not supply power.  
• for use with ac or dc  
See Quencharc note.  
PM6 _ _ _ _-_ _ _ J A _ _  
common  
K4  
Internal  
Circuitry  
Watlow EZ-ZONE® PM Integrated Controller  
20  
Chapter 2 Install and Wire  
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Output 4 Solid-state Relay, Form A  
Ó
Slot B  
• 0.5 A at 20 to 264VÅ (ac) maxi-  
mum resistive load  
• 20 VA 120/240VÅ (ac) pilot duty  
• opto-isolated, without contact  
suppression  
• maximum off state leakage of  
105 microamperes  
• Output does not supply power.  
• Do not use on dc loads.  
See Quencharc note.  
L3  
K3  
J3  
Warning:  
Use National Electric (NEC)  
or other country-specific  
standard wiring and safety  
practices when wiring and  
connecting this controller to  
a power source and to elec-  
trical sensors or peripheral  
devices. Failure to do so may  
result in damage to equip-  
ment and property, and/or  
injury or loss of life.  
Solid-state Relay  
Internal Circuitry  
normally  
open  
normally open  
common  
L4  
K4  
L4  
K4  
T2  
S2  
R2  
common  
PM6 _ _ _ _-_ _ _ K A _ _  
Note:  
Maximum wire size termina-  
tion and torque rating:  
2
• 0.0507 to 3.30 mm (30 to  
12 AWG) single-wire termi-  
2
nation or two 1.31 mm (16  
AWG)  
• 0.8 Nm (7.0 lb.-in.) torque  
Note:  
Adjacent terminals may be  
labeled differently, depend-  
ing on the model number.  
Note:  
To prevent damage to the  
controller, do not connect  
wires to unused terminals.  
Note:  
Maintain electrical isolation  
between analog input 1, digi-  
tal input-outputs, switched  
dc/open collector outputs and  
process outputs to prevent  
ground loops.  
Note:  
The control output common  
terminal and the digital com-  
mon terminal are referenced  
to different voltages and  
must remain isolated.  
Quencharc Note:  
Switching pilot duty inductive  
loads (relay coils, solenoids,  
etc.) with the mechanical  
relay, solid state relay or  
open collector output options  
requires use of an R.C. sup-  
pressor.  
Watlow EZ-ZONE® PM Integrated Controller  
21  
Chapter 2 Install and Wire  
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Standard Bus EIA-485 Communications  
Ó
• Wire T-/R- to the A terminal of  
the EIA-485 port.  
• Wire T+/R+ to the B terminal of  
• Do not connect more than 16  
EZ-ZONE® PM controllers on a  
network.  
• maximum network length:  
1,200 meters (4,000 feet)  
• 1/8th unit load on EIA-485 bus  
PM6 _ _ _ _-(A, 2 or 3) _ _ _ A _ _  
Slot C  
98  
Warning:  
the EIA-485 port.  
99  
Use National Electric (NEC)  
or other country-specific  
standard wiring and safety  
practices when wiring and  
connecting this controller to  
a power source and to elec-  
trical sensors or peripheral  
devices. Failure to do so may  
result in damage to equip-  
ment and property, and/or  
injury or loss of life.  
• Wire common to the common  
terminal of the EIA-485 port.  
• Do not route network wires  
with power wires. Connect net-  
work wires in daisy-chain fash-  
ion when connecting multiple  
devices in a network.  
CF common  
CD T-/R-  
CE T+/R+  
B5  
D6  
D5  
Modbus RTU or Standard Bus EIA-485 Communications  
Note:  
• Wire T-/R- to the A terminal of  
• Only one protocol per port is  
available at a time: either Mod-  
bus RTU or Standard Bus.  
• Do not connect more than 16  
EZ-ZONE® controllers on a  
Standard Bus network.  
• Maximum number of EZ-  
ZONE® controllers on a Modbus  
network is 247.  
the EIA-485 port.  
• Wire T+/R+ to the B terminal of  
the EIA-485 port.  
Maximum wire size termina-  
tion and torque rating:  
• 0.0507 to 3.30 mm (30 to  
12 AWG) single-wire termi-  
nation or two 1.31 mm (16  
Slot C  
98  
2
• Wire common to the common  
terminal of the EIA-485 port.  
• Do not route network wires  
with power wires. Connect net-  
work wires in daisy-chain fash-  
ion when connecting multiple  
devices in a network.  
• A termination resistor may be  
required. Place a 120 Ω resistor  
across T+/R+ and T-/R- of last  
controller on network.  
99  
CC common  
CA T-/R-  
CB T+/R+  
B5  
2
AWG)  
• 0.8 Nm (7.0 lb.-in.) torque  
• maximum network length:  
1,200 meters (4,000 feet)  
• 1/8th unit load on EIA-485 bus.  
Note:  
D6  
PM6 _ _ _ _-1 _ _ _ A _ _  
Adjacent terminals may be  
labeled differently, depend-  
ing on the model number.  
D5  
Note:  
EIA-232/485 Modbus RTU Communications  
To prevent damage to the  
controller, do not connect  
wires to unused terminals.  
Slot B  
• Wire T-/R- to the A terminal  
of the EIA-485 port.  
• Do not connect more than  
one EZ-ZONE® PM control-  
ler on an EIA-232 network.  
• Do not connect more than  
16 EZ-ZONE® controllers  
on a Standard Bus EIA-485  
network.  
• Maximum number of EZ-  
ZONE® controllers on a  
Modbus network is 247.  
• maximum EIA-232 network  
length: 15 meters (50 feet)  
485 T+/R+ CB  
• Wire T+/R+ to the B termi-  
nal of the EIA-485 port.  
• Wire common to the com-  
mon terminal of the EIA-  
485 port.  
• Do not route network wires  
with power wires. Connect  
network wires in daisy-  
chain fashion when connect-  
ing multiple devices in a  
network.  
485 T-/R-  
CA  
Note:  
485 common CC  
485 T+/R+ CB  
485 T-/R- CA  
Maintain electrical isolation  
between analog input 1, digi-  
tal input-outputs, switched  
dc/open collector outputs and  
process outputs to prevent  
ground loops.  
232 common  
C5  
232 (TX) to DB9 pin 2 (RD) C3  
232 (RD) to DB9 pin 3 (TX) C2  
• maximum EIA-485 network  
length: 1,200 meters (4,000  
feet)  
• 1/8th unit load on EIA-485  
bus.  
• A termination resistor may  
be required. Place a 120 Ω  
resistor across T+/R+ and  
T-/R- of last controller on  
network.  
• Do not wire to both the EIA-  
485 and the EIA-232 pins at  
the same time.  
Note:  
The control output common  
terminal and the digital com-  
mon terminal are referenced  
to different voltages and  
must remain isolated.  
PM6 _ _ _ _-2 AAA A _ _  
• Two EIA-485 terminals of  
T/R are provided to assist in  
daisy-chain wiring.  
Note:  
Avoid continuous writes  
within loops. Excessive  
writes to EEPROM will cause  
premature EEPROM failure.  
The EEPROM is rated for  
1,000,000 writes.  
Modbus-IDA EIA/TIA-485 Watlow Termi- Function  
Terminal Name nal Label  
DO CA or CD  
A
T-/R-  
D1  
B
CB or CE  
CC or CF  
T+/R+  
common  
common  
common  
Watlow EZ-ZONE® PM Integrated Controller  
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Chapter 2 Install and Wire  
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EtherNet/IP™ and Modbus TCP Communications  
Ó
• Do not route network  
wires with power  
wires.  
• Connect one Ethernet  
cable per controller to  
a 10/100 mbps ether-  
net switch. Both Mod-  
bus TCP and Ether-  
Net/IP™ are available  
on the network.  
Slot B  
RJ-45  
pin  
T568B wire  
color  
Signal  
Slot  
B
unused  
unused  
E8  
E7  
E6  
Warning:  
8
7
6
5
4
3
2
1
brown  
unused  
unused  
receive -  
unused  
unused  
receive +  
E8  
E7  
E6  
E5  
E4  
E3  
Use National Electric (NEC)  
or other country-specific  
standard wiring and safety  
practices when wiring and  
connecting this controller to  
a power source and to elec-  
trical sensors or peripheral  
devices. Failure to do so may  
result in damage to equip-  
ment and property, and/or  
injury or loss of life.  
receive -  
brown & white  
green  
unused E5  
unused  
white & blue  
blue  
E4  
receive +  
E3  
• A RUI may be con-  
nected at the same  
time using Slot C.  
transmit -  
white & green  
orange  
E2  
transmit - E2  
transmit +  
E1  
white & orange transmit + E1  
EtherNet/IP™ and Modbus TCP communica-  
tions to connect with a 10/100 switch.  
DeviceNet™ Communications  
Note:  
Slot B  
Maximum wire size termina-  
tion and torque rating:  
• 0.0507 to 3.30 mm (30 to  
12 AWG) single-wire termi-  
nation or two 1.31 mm (16  
V+  
CAN_H  
shield  
CAN_L  
V-  
Terminal  
Signal  
Function  
V+  
CH  
SH  
CL  
V-  
V+  
V+  
DeviceNet™ power  
2
CH  
CAN_H  
positive side of DeviceNet™  
bus  
2
SH  
CL  
shield  
shield interconnect  
AWG)  
CAN_L  
negative side of DeviceNet™  
bus  
T2  
S2  
R2  
• 0.8 Nm (7.0 lb.-in.) torque  
V-  
V-  
DeviceNet™ power return  
Note:  
Adjacent terminals may be  
labeled differently, depend-  
ing on the model number.  
quired. Place a 120 Ω resistor across  
T+/R+ and T-/R- of the last controller  
on a network.  
Only one protocol per port is avail-  
able at a time: either Modbus RTU or  
Standard Bus.  
Wiring a Serial EIA-485 Network  
Do not route network wires with pow-  
er wires. Connect network wires in  
daisy-chain fashion when connecting  
multiple devices in a network.  
Note:  
To prevent damage to the  
controller, do not connect  
wires to unused terminals.  
A termination resistor may be re-  
EZ-ZONE® ST  
ST_ _ - (B or F) _ M _ -_ _ _ _  
EZ-ZONE® ST  
ST_ _ - (B or F) _ A _ -_ _ _ _  
Note:  
Maintain electrical isolation  
between analog input 1, digi-  
tal input-outputs, switched  
dc/open collector outputs and  
process outputs to prevent  
ground loops.  
power  
supply  
power  
supply  
fuse  
fuse  
power  
power  
common  
power  
power  
common  
Note:  
The control output common  
terminal and the digital com-  
mon terminal are referenced  
to different voltages and  
must remain isolated.  
power  
98  
power  
power  
98  
EZ-ZONE® PM  
EZ-ZONE® PM  
power  
99  
99  
com  
com  
CC  
CF  
- A  
- A  
CA  
CD  
+ B  
+ B  
CB  
CE  
B5  
D6  
D5  
B5  
D6  
D5  
Note:  
PLC  
RUI/Gateway  
EZKB-_ A _ _- _ _ _ _  
Avoid continuous writes  
within loops. Excessive  
writes to EEPROM will cause  
premature EEPROM failure.  
The EEPROM is rated for  
1,000,000 writes.  
power  
power  
common  
- A  
power  
power  
common  
- A  
98  
99  
CF  
CD  
CE  
+ B  
+ B  
A network using Watlow's Standard Bus  
and an RUI/Gateway.  
A network using Modbus RTU.  
Watlow EZ-ZONE® PM Integrated Controller  
23  
Chapter 2 Install and Wire  
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3
Chapter 3: Keys and Displays  
Temperature Units Indi-  
cator Lights:  
Upper Display:  
In the Home Page, displays  
the process value, otherwise  
displays the value of the pa-  
rameter in the lower display.  
Indicates whether the tem-  
perature is displayed in  
Fahrenheit or Celsius.  
WATLOW  
EZ-ZONE®  
Output Activity:  
Zone Display:  
Number lights indicate ac-  
tivity of outputs 1 through  
5. A flashing light indicates  
retransmit activity.  
Indicates the controller zone  
that the remote user interface  
(RUI) is currently communi-  
cating with.  
Percent Units Indicator  
1to 9= zones 1 to 9  
Lights when the controller is  
displaying values as a per-  
centage or when the open-  
loop set point is displayed.  
A= zone 10  
b= zone 11  
C= zone 12  
d= zone 13  
E= zone 14  
F= zone 15  
H= zone 16  
Profile Activity;  
Lights when a profile is run-  
ning. Flashes when a profile  
is paused.  
Lower Display:  
Indicates the set point or out-  
put power value during opera-  
tion, or the parameter whose  
value appears in the upper  
display.  
Communications Activity  
Flashes when another device  
is communicating with this  
controller.  
Infinity Key ˆ  
Advance Key ‰  
Press to back up one lev-  
el, or press and hold for  
two seconds to return to  
the Home Page.  
Advances through  
parameter prompts.  
EZ Key:  
Up and Down Keys ¿ ¯  
This key can be programmed  
to do various tasks, such as  
starting a profile.  
In the Home Page, adjusts  
the set point in the lower dis-  
play. In other pages, changes  
the upper display to a higher  
or lower value, or changes a  
parameter selection.  
[`SiL]. Then push the Advance or Infinity ˆ key  
Responding to a Displayed Message  
Attention Codes  
An active message will cause the display to toggle be-  
tween the normal settings and the active message in  
the upper display and [Attn] in the lower display.  
Your response will depend on the message and the  
controller settings. Some messages, such as Ramp-  
ing and Tuning, indicate that a process is underway.  
If the message was generated by a latched alarm or  
limit condition, the message can be cleared when the  
condition no longer exists. If an alarm has silencing  
enabled, it can be silenced.  
Push the Advance Key to display [ignr] in  
the upper display and the message source (such as  
[Lih1]) in the lower display.  
to execute the action.  
[ALL1] [ALL2] [ALL3] [ALL4] Alarm Low 1 to 4  
[ALh1] [ALh2] [ALh3] [ALh4] Alarm High 1 to 4  
[ALE1] [ALE2] [ALE3] [ALE4] Alarm Error 1 to 4  
[Eri1] [Eri2] Error Input 1 or 2  
[LiL1] [LiL2] Limit Low 1 or 2  
[Lih1] [Lih2] Limit High 1 or 2  
[LiE1] [LiE2] Limit Error 1 or 2  
[tUn1] Tuning  
[`rP1] Ramping  
[LPo1] Loop Open Error  
[LPr1] Loop Reversed Error  
Use the Up ¿ and Down ¯ keys to scroll through  
possible responses, such as Clear [`CLr] or Silence  
[`CEr] Current Error  
[`hEr] Heater Error  
Watlow EZ-ZONE® PM Integrated Controller  
24  
Chapter 3 Keys and Displays  
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Navigating the EZ-ZONE® PM Integrated Controller  
EZ-ZONE ®  
®
EZ-ZONE  
WATLOW  
WATLOW  
[
``Ai]  
[``70]  
[`Set]  
[``72]  
Home Page from anywhere: Press the Infinity Key ˆfor two seconds to return to the Home Page.  
EZ-ZONE®  
EZ-ZONE ®  
WATLOW  
WATLOW  
[``Ai]  
[``70]  
[oper]  
[``72]  
Operations Page from Home Page: Press both the Up ¿and Down ¯keys for three seconds.  
EZ-ZONE ®  
EZ-ZONE ®  
WATLOW  
WATLOW  
[``Ai]  
[``70]  
[`Set]  
[``72]  
Setup Page from Home Page: Press both the Up ¿ and Down ¯ keys for six seconds.  
®
EZ-ZONE®  
EZ-ZONE  
WATLOW  
WATLOW  
[``70]  
[``P1]  
[Prof]  
[``72]  
Profiling Page from Home Page: Press the Advance Key for three seconds.  
®
EZ-ZONE®  
EZ-ZONE  
WATLOW  
WATLOW  
[CUST]  
[FCty]  
[``70]  
[``72]  
Factory Page from Home Page: Press both the Advance and Infinity ˆ keys for six seconds.  
Watlow EZ-ZONE® PM Integrated Controller  
25  
Chapter 3 Keys and Displays  
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4
Chapter 4: Home Page  
Default Home Page Parameters  
The Home Page is a customized list of as many as 20  
If Control Mode is set to Manual, the process val-  
ue is in the upper display and the output power level  
parameters that can be configured and changed in  
the Custom Menu [CUSt] (Factory Page). The default (read-write) is in the lower display.  
list of nine parameters below includes the Active  
Process Value (value in upper display) and Active Set  
Point (value in lower display). The Attention [Attn]  
parameter appears only if there is an active message.  
An active message could be a reported error, for ex-  
ample, [CEr1] (Current Error), or it could be for in-  
formation only, for example, [tUN1] (Autotuning).  
If Control Mode is set to Off, the process value is  
in the upper display and [`oFF] (read only) is in the  
lower display.  
If a sensor failure has occurred, [----] is in the  
upper display and the output power level (read-write)  
is in the lower display.  
Use the Advance Key to step through the other  
parameters. The parameter prompt will appear in  
the lower display, and the parameter value will ap-  
pear in the upper display. You can use the Up ¿and  
Down ¯keys to change the value of read-write pa-  
rameters, just as you would in any other menu.  
Changing the Set Point  
You can change the set point by using the Up ¿and  
Down ¯ keys, when a profile is not running.  
If the set point is displayed and the % indicator is  
lit, the controller is in open-loop (manual) mode.  
If Control Mode is set to Auto, the process value  
is in the upper display and the Closed Loop Set Point  
(read-write) is in the lower display.  
If a profile is running, the process value is in the  
upper display and the Target Set Point (read only) is  
in the lower display.  
Note: Avoid continuous writes within loops. Excessive writes to  
EEPROM will cause premature EEPROM failure. The EEPROM is  
rated for 1,000,000 writes.  
Custom Menu  
Number  
Home  
Page  
Display  
(defaults)  
Parameter Name  
Settings  
Custom  
Menu  
Display  
(defaults)  
Parameter Page and Menu  
1 Upper Display (value only) Active Process Value  
2 Lower Display (value only) Active Set Point  
[AcPu]  
[AcSP]  
[`CM]  
[`hPr]  
[`CPr]  
[`AUt]  
[idLE]  
[PStr]  
[PACr]  
[nonE]  
Operations Page, Analog Iput Menu  
Operations Page, Profile Status Menu  
Operations Page, Loop Menu  
3
[CM1]  
[hPr1]  
[CPr1]  
[AUt1]  
[idS1]  
[PSt1]  
[PAC1]  
(skipped)  
Control Mode  
Heat Power  
Cool Power  
4
Operations Page, Monitor Menu  
Operations Page, Monitor Menu  
Operations Page, Loop Menu  
5
6
Autotune  
7
Idle Set Point  
Profile Start  
Profile Action Request  
None  
Operations Page, Loop Menu  
8
Home Page only (See Profile Page Chapter.)  
Home Page only (See Profile Page Chapter.)  
9
10 to 20  
(Add parameters to the Home Page in the Custom  
Menu, Factory Page.)  
Default Home Page  
Watlow EZ-ZONE® PM Integrated Controller  
26  
Chapter 4 Home Page  
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Display  
Parameter Name  
Description  
Setting  
Range  
Default  
Appears If  
[Attn]  
Attention  
[ALL1] [ALL2] [ALL3] [ALL4]  
Alarm Low 1 to 4  
[ALh1] [ALh2] [ALh3] [ALh4]  
Alarm High 1 to 4  
[ALE1] [ALE2] [ALE3] [ALE4]  
an alarm or error mes-  
sage is active.  
An active message will cause the  
display to toggle between the  
normal settings and the active  
message in the upper display and  
[Attn] in the lower display.  
Alarm Error 1 to 4  
Your response will depend on the  
message and the controller set-  
tings. Some messages, such as  
Ramping and Tuning, indicate  
that a process is underway. If  
the message was generated by a  
latched alarm or limit condition,  
the message can be cleared when  
the condition no longer exists. If  
an alarm has silencing enabled, it  
can be silenced.  
[Eri1] [Eri2] Error Input 1 or 2  
[LiL1] [LiL2] Limit Low 1 or 2  
[Lih1] [Lih2] Limit High 1 or 2  
[LiE1] [LiE2] Limit Error 1 or 2  
[tUn1]Tuning  
[`rP1] Ramping  
[LPo1] Loop Open Error  
[LPr1] Loop Reversed Error  
[`CEr] Current Error  
[`hEr] Heater Error  
Push the Advance Key to display  
[ignr] in the upper display and  
the message source (such as  
[Lih1]) in the lower display.  
Use the Up ¿and Down ¯keys to  
scroll through possible responses,  
such as Clear [`CLr] or Silence  
[`SiL]. Then push the Advance  
or Infinity ˆkey to execute  
the action.  
[PSt1]  
[PAC1]  
Profile Start  
Select a profile or step number that  
will be affected by Profile Action.  
0 to 40  
0
the controller includes  
profiling (PM6 R _ _  
_-_ _ _ _ _ _ _).  
Profile Action Request  
Select the action to apply to the  
profile (1 to 4) or step selected in  
Profile Start.  
[nonE] No Action  
[ProF} Start a Profile  
[StEP] Start a Step  
[PAUS] Pause  
None  
the controller includes  
profiling (PM6 R _ _  
_-_ _ _ _ _ _ _).  
[rESU] Resume  
[`End] End  
Parameters that appear only in the Home Page  
Watlow EZ-ZONE® PM Integrated Controller  
27  
Chapter 4 Home Page  
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5
Chapter 5: Operations Page  
To go to the Operations Page from the Home Page,  
press both the Up ¿and Down ¯keys for three sec-  
onds. [``Ai]will appear in the upper display and  
[oPEr]will appear in the lower display.  
• Press the Advance Key to move through the pa-  
rameters of the menu or submenu.  
• Press the Infinity Key ˆto move backwards  
through the levels: parameter to submenu; sub-  
menu to menu; menu to Home Page.  
• Press the Up ¿or Down ¯key to move through  
the menus.  
• Press and hold the Infinity Key ˆfor two seconds  
to return to the Home Page.  
• Press the Advance Key to move to a submenu.  
• Press the Up ¿or Down ¯key to move through  
Note: Avoid continuous writes within loops. Excessive writes to  
EEPROM will cause premature EEPROM failure. The EEPROM is  
rated for 1,000,000 writes.  
the submenus.  
Home  
Page  
Operations Page Parameters  
[~~p~]ň  
[~~Sp]<>Æ  
È
ꢀꢀꢀÇ  
[``Ai]ň[~~~I]ň  
Navigating the Operations Page  
[oPEr]Æ[``Ai]Æ[`ain]Æ[`iEr]Æ[`iCa]  
Hold both keys  
for 3 seconds.  
Input 1  
Submenu  
<Ç  
Process  
Value  
Input Error Input  
Status Calibration  
Offset  
Analog  
Input Menu  
<Ç  
È>  
È>  
Input 2  
Submenu  
Ɉ  
Same as above.  
Note:  
Some of these menus and parameters may not appear, depending  
on the controller's options. See model number information in the  
Appendix for more information.  
Ɉ  
È
ꢀꢀꢀÇ  
[`diO]ň[~~~5]ň  
[oPEr]Æ[`diO]Æ[`doS]Æ[`EiS]  
Digital I/O 5 Output State Event Input  
Digital In-  
put/Output  
Menu  
Status  
Submenu  
<Ç  
È>  
If there is only one instance of a menu, no submenus will appear.  
<Ç  
È>  
Digital I/O 6  
Submenu  
Ɉ  
Same as above.  
Ɉ  
[LiM]ň  
È
ꢀꢀꢀÇ  
[oPEr]Æ[`LLS]Æ[`LhS]  
Limit Low  
Set Point  
Limit High  
Set Point  
Limit  
Menu  
<Ç  
È>  
Ɉ  
ꢀꢀꢀ  
[Mon]ň  
È
ꢀꢀꢀÇ  
[oPEr]Æ[CMA]Æ[`hPr]Æ[`CPr]Æ[`CSP]Æ[`PuA]  
Control  
Mode Active  
Heat Power Cool Power Closed Loop Process  
Monitor  
Menu  
Working Set Value Active  
Point  
<Ç  
È>  
Ɉ  
[Loop]ň  
È
ꢀꢀꢀÇ  
[oPEr]Æ[`rEn]Æ[`rtY]Æ[`CM]Æ[AtSP]Æ[`AUt]Æ[`CSP]Æ[`idS]Æ[`hPb]Æ[`hhY]Æ[`CPb]Æ[`Chy]Æ[``ti]Æ[``td]Æ[``db]Æ[`oSP]  
Remote  
Enable  
Remote Set Control  
Autotune  
Set Point  
Autotune  
Request  
Closed Loop Idle Set  
Set Point Point  
Heat Propor- Heat Hyster- Cool Propor- Cool Hyster- Time Integral Time Deriva- Dead Band  
tional Band esis tional Band esis tive  
Open Loop  
Set Point  
Loop Menu  
Point Type  
Mode  
<Ç  
È>  
Ɉ  
[ALM]ň[~~~I]ň  
È
ꢀꢀꢀÇ  
[oPEr]Æ[ALM]Æ[`ALo]Æ[`Ahi]  
Alarm 1  
Submenu  
<Ç  
È>  
Alarm Low  
Set Point  
Alarm High  
Set Point  
Alarm  
Menu  
<Ç  
È>  
Alarm 2 to 4  
Submenus  
Ɉ  
Same as above.  
Ɉ  
[CUrr]ň  
È
ꢀꢀ  
ꢀꢀ  
ꢀꢀ  
ꢀꢀꢀÇ  
[oPEr]Æ[`Chi]Æ[`CLo]Æ[`CUr]Æ[`CEr]Æ[`her]  
Current High Current Low Current Read Current Error Heater Error  
Current  
Menu  
Set Point  
Set Point  
<Ç  
È>  
[PStA]ň  
È
ꢀꢀꢀÇ  
Ɉ  
[oPEr]Æ[PStr]Æ[PACr]Æ[`Stp]Æ[StYP]Æ[tgSP]Æ[ACSP]Æ[`Sti]Æ[Ent1]Æ[``JC]  
Profile Start Profile  
Action  
Active Step Active Step Active Target Active Set  
Type Set Point Point  
Step Time  
Remaining  
Active Event Jump Count  
Profile  
Status  
Menu  
Output  
Remaining  
Request  
(1 or 2)  
<Ç  
È>  
®
Watlow EZ-ZONE PM Integrated Controller  
28  
Chapter 5 Operations Page  
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Display  
Parameter name  
Description  
Set-  
tings  
Range  
Default  
Appears If  
[``Ai]  
[oPEr]  
[```1]  
[``Ai]  
[```2]  
[``Ai]  
Analog Input Menu Analog Input 1 or  
Analog Input 2  
(input 2 appears if PM6 _ _ _ _-_ [R, T or L] _ _ A _ _)  
[`Ain]  
[ Ain]  
Analog Input (1 or 2)  
Process Value  
View the process value.  
-1,999.000 to 9,999.000°F or units  
-1,128.000 to 5,537.000°C  
always  
[`iEr]  
[ i.Er]  
Analog Input (1 or 2)  
Error Status  
View the cause of the most recent error. If the  
[Attn]message is [Eri1]or [Eri2], this param-  
eter will display the cause of the input error.  
[nonE] None  
[OPEn] Open  
[Shrt] Shorted  
[`EM] Measurement Error  
[ECAL] Bad Calibration Data  
[ErAb]Ambient Error  
[ERtd] RTD Lead Resistance Error  
None  
always  
[`iCa]  
[ i.CA]  
Analog Input (1 or 2)  
Calibration Offset  
Offset the input reading to compensate for lead  
wire resistance or other factors that cause the in-  
put reading to vary from the actual process value.  
-1,999.000 to 9,999.000°F or units 0.0  
-1,110.555 to 5,555.000°C  
always  
[`dio]  
[oPEr]  
[```5]  
[`dio]  
[```6]  
[`dio]  
Digital Input/  
Output Menu  
Digital Input or  
Output 5  
Digital Input or  
Output 6  
(menu appears if PM6 _ [2 or 4] _ _-_ _ _ _ A _ _)  
[`doS]  
[ do.S]  
Digital Output (5 or 6)  
Output State  
[``on] On  
[`off] Off  
always  
View the state of this output.  
[`EiS]  
[ Ei.S]  
Digital Input (5 or 6)  
Event Input Status  
View this event input state.  
[iACt] Inactive  
[`ACt]Active  
always  
[LiM]  
[oPEr]  
Limit Menu  
(menu appears if PM6 _ _ _ _-_ L _ _ AAA)  
[`LLS]  
[ LL.S]  
Limit  
Low Set Point  
Set the low process value that will trigger the  
limit.  
-1,999.000 to 9,999.000°F or units 0.0°F or  
Limit Sides (Set-  
up Page) is not  
set to High.  
units  
-1,128.000 to 5,537.000°C  
-18.0°C  
[`LhS]  
[ Lh.S]  
Limit  
High Set Point  
Set the high process value that will trigger the  
limit.  
-1,999.000 to 9,999.000°F or units 0.0°F or  
Limit Sides (Set-  
up Page) is not  
set to Low.  
units  
-1,128.000 to 5,537.000°C  
-18.0°C  
[Mon]  
[oPEr]  
Monitor Menu  
[CMA]  
[C.MA]  
Monitor  
Control Mode Active  
View the current control mode.  
[`off] Off  
[AUto]Auto  
[MAn] Manual  
always  
[`hPr]  
[ h.Pr]  
Monitor  
Heat Power  
View the current heat output level.  
0.0 to 100.0%  
0.0  
0.0  
always  
always  
always  
[`CPr]  
[ C.Pr]  
Monitor  
Cool Power  
View the current cool output level.  
-100.0 to 0.0%  
[`CSP]  
[ C.SP]  
Monitor  
-1,999.000 to 9,999.000°F or units 75°F or  
-1,128.000 to 5,537.000°C  
Closed Loop Working Set Point  
View the set point currently in effect.  
units  
24°C  
[`PuA]  
[ Pv.A]  
Monitor  
Process Value Active  
View the current filtered process value using the  
control input.  
-1,999.000 to 9,999.000°F or units  
-1,128.000 to 5,537.000°C  
always  
Note: Some values will be rounded off to fit in the four-character display. Full values can be read with other interfaces.  
If there is only one instance of a menu, no submenus will appear.  
Watlow EZ-ZONE® PM Integrated Controller  
29  
Chapter 5 Operations Page  
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Display  
Parameter name  
Description  
Set-  
tings  
Range  
Default  
Appears If  
[Loop]  
[oPEr]  
Loop Menu  
[`rEn]  
[ r;En]  
Loop  
Remote Enable  
Switch control to the remote set point.  
[``no] No  
[`YES]Yes  
No  
PM6 _ _ _ _-_ (R  
) _ _ A A A  
[`rty]  
[ r.ty]  
Loop  
[AUto]Auto (closed loop)  
[MAn] Manual (open loop)  
Auto  
Auto  
90.0  
Remote Enable  
is set to Yes.  
Remote Set Point Type  
Select how the remote set point will be deter-  
mined.  
[`CM]  
[ C.M]  
Loop  
Control Mode  
Select the method that the controller will use to  
control.  
[`off] Off  
[AUto]Auto (closed loop)  
[MAn] Manual (open loop)  
always  
[AtSP]  
[A.tSP}  
Loop  
50.0 to 200.0%  
Heat Algorithm  
or Cool Algo-  
rithm (Setup  
Page) is set to  
PID.  
Autotune Set Point  
Set the set point that the autotune will use, as a  
percentage of the current set point.  
[`AUt]  
[ AUt]  
Loop  
[``no] No  
[`YES]Yes  
No  
Heat Algorithm  
or Cool Algo-  
rithm (Setup  
Page) is set to  
PID.  
Autotune Request  
Start an autotune. While autotune is active, the  
Home Page will display [Attn][tUn1]. When  
the autotune is complete, the message will clear  
automatically.  
[`CSP]  
[ C.SP]  
Loop  
Low Set Point to High Set Point  
(Setup Page)  
75.0°F or always  
units  
Closed Loop Set Point  
Set the set point that the controller will automati-  
cally control to.  
24.0°C  
[`idS]  
[ id.S]  
Loop  
Idle Set Point  
Low Set Point to High Set Point  
(Setup Page)  
75.0°F or always  
units  
Set a closed loop set point that can be triggered by  
an event state.  
24.0°C  
[`hPb]  
[ h.Pb]  
Loop  
0.001 to 9,999.000°F or units  
-1,110.555 to 5,555.000°C  
25.0°F or Heat Algorithm  
Heat Proportional Band  
Set the PID proportional band for the heat outputs.  
units  
(Setup Page) is  
set to PID.  
14.0°C  
[`hhy]  
[ h.hy]  
Loop  
Heat Hysteresis  
Set the control switching hysteresis for on-off con-  
trol. This determines how far into the “on” region  
the process value needs to move before the output  
turns on.  
0.001 to 9,999.000°F or units  
-1,110.555 to 5,555.000°C  
3.0°F or  
units  
2.0°C  
Heat Algorithm  
(Setup Page) is  
set to On-Off.  
[`CPb]  
[ C.Pb]  
Loop  
0.001 to 9,999.000°F or units  
-1,110.555 to 5,555.000°C  
25.0°F or Cool Algorithm  
Cool Proportional Band  
Set the PID proportional band for the cool outputs.  
units  
(Setup Page) is  
set to PID.  
14.0°C  
[`Chy]  
[ C.hy]  
Loop  
Cool Hysteresis  
Set the control switching hysteresis for on-off con-  
trol. This determines how far into the “on” region  
the process value needs to move before the output  
turns on.  
0.001 to 9,999.000°F or units  
-1,110.555 to 5,555.000°C  
3.0°F or  
units  
2.0°C  
Cool Algorithm  
(Setup Page) is  
set to On-Off.  
180.0 sec-  
onds per  
repeat  
[``ti]  
[ ti]  
Loop  
Time Integral  
Set the PID integral for the outputs.  
0 to 9,999 seconds per repeat  
0 to 9,999 seconds  
Heat Algorithm  
or Cool Algo-  
rithm (Setup  
Page) is set to  
PID.  
[``td]  
[ td]  
Loop  
Time Derivative  
Set the PID derivative time for the outputs.  
0.0  
seconds  
Heat Algorithm  
or Cool Algo-  
rithm (Setup  
Page) is set to  
PID.  
Note: Some values will be rounded off to fit in the four-character display. Full values can be read with other interfaces.  
If there is only one instance of a menu, no submenus will appear.  
®
Watlow EZ-ZONE PM Integrated Controller  
30  
Chapter 5 Operations Page  
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Display  
Parameter name  
Description  
Set-  
tings  
Range  
Default  
0.0  
Appears If  
[``dB]  
[ db]  
Loop  
Dead Band  
-1,000.0 to 1,000.0°F or units  
-556 to 556°C  
Heat Algorithm  
and Cool Algo-  
rithm (Setup  
Page) are set to  
PID or On-Off.  
Set the offset to the proportional band. With a  
negative value, both heating and cooling outputs  
are active when the process value is near the set  
point. A positive value keeps heating and cooling  
outputs from fighting each other.  
[`oSP]  
[ o.SP]  
Loop  
-100 to 100% (heat and cool)  
0 to 100% (heat only)  
-100 to 0% (cool only)  
0.0  
always  
Open Loop Set Point  
Set a fixed level of output power when in manual  
(open-loop) mode.  
[ALM]  
[oPEr]  
Alarm Menu  
[```1]  
[ALM]  
Alarm 1  
[```2]  
[ALM]  
Alarm 2  
[```3]  
[ALM]  
Alarm 3  
[```4]  
[ALM]  
Alarm 4  
-1,999.000 to 9,999.000°F or units 32.0°F  
or units  
0.0°C  
[`ALo]  
[ A.Lo]  
Alarm (1 to 4)  
Low Set Point  
If Alarm Type (Setup Page, Alarm Menu) is set to:  
Alarm Sides  
(Setup Page) is  
not set to High.  
-1,128.000 to 5,537.000°C  
process - set the process value that will trigger a  
low alarm.  
deviation - set the span of units from the closed  
loop set point that will trigger a low alarm.  
[`Ahi]  
[ A.hi]  
Alarm (1 to 4)  
High Set Point  
If Alarm Type (Setup Page, Alarm Menu) is set to:  
-1,999.000 to 9,999.000°F or units 300.0°F  
Alarm Sides  
(Setup Page) is  
not set to Low.  
or units  
150.0°C  
-1,128.000 to 5,537.000°C  
process - set the process value that will trigger a  
high alarm.  
deviation - set the span of units from the closed  
loop set point that will trigger a high alarm.  
[CUrr]  
[oPEr]  
Current Menu  
Note: To use the current sensing feature, Time Base (Setup Page, Output  
Menu) must be set to 0.7 seconds or more.  
(menu appears if PM6 _ _ _-_ T _ _ A _ _)  
[`Chi]  
[ C.hi]  
Current  
High Set Point  
Set the current value that will trigger a high  
heater error state.  
-1,999.000 to 9,999.000  
-1,999.000 to 9,999.000  
-1,999.000 to 9,999.000  
50.0  
0.0  
0
Current Sides  
(Setup Page) is  
set to High or  
Both.  
[`CLo]  
[ C.Lo]  
Current  
Low Set Point  
Set the current value that will trigger a low  
heater error state.  
Current Sides  
(Setup Page) is  
set to Low or  
Both.  
[`CUr]  
[ CU.r]  
Current  
Read  
always  
View the most recent current value monitored by  
the current transformer.  
[`CEr]  
[ C.Er]  
Current  
Error  
[nonE] None  
[Shrt] Shorted  
[open] Open  
None  
None  
always  
always  
View the cause of the most recent load fault.  
[`hEr]  
[ h.Er]  
Current  
Heater Error  
View the cause of the most recent load fault moni-  
tored by the current transformer.  
[nonE] None  
[high] High  
[Low] Low  
*
Some parameters in the Profile Status Menu can be changed for the  
currently running profile, but should only be changed by knowledgeable  
personnel and with caution. Changing parameters via the Profile Status  
Menu will not change the stored profile but will have an immediate im-  
pact on the profile that is running.  
[PSta]  
[oPEr]  
Profile Status Menu (menu appears if PM6 R _ _ _-_ _ _ _ A _ _)  
Changes made to profile parameters in the Profiling Pages will be  
saved and will also have an immediate impact on the running profile.  
Note: Some values will be rounded off to fit in the four-character display. Full values can be read with other interfaces.  
If there is only one instance of a menu, no submenus will appear.  
Watlow EZ-ZONE® PM Integrated Controller  
31  
Chapter 5 Operations Page  
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Display  
Parameter name  
Description  
Set-  
tings  
Range  
Default  
Appears If  
always  
[PStr]  
{P.Str]  
Profile Status  
Profile Start  
1 to 40  
0 (none)  
Select a step or profile to load.  
[PACr]  
{P.ACr]  
Profile Status  
[nonE] None  
[ProF] Profile Start  
[PAUS] Pause  
[rESU] Resume  
[`End] End  
None  
always  
Profile Action Request  
Select what action to apply to the currently loaded  
profile.  
[StEP] Step Start  
[`StP]  
[ StP]  
Profile Status  
Active Step  
0 to 40  
0 (none)  
always  
View the currently running step.  
[Styp]  
[S.typ]  
Profile Status  
Active Step Type  
View the currently running step type.  
[UStP] Unused Step  
[``ti]Time  
[rAtE] Rate  
Unused  
Step  
a profile is  
active.  
[SoAH] Soak  
[`WE]Wait For Event  
[WPr]Wait For Process  
[Wbo]Wait For Both  
[``JL] Jump Loop  
[`End] End  
[tgSP]  
[tg.SP]  
Profile Status  
*Active Target Set Point  
View or change the target set point of the current  
step.  
-1,999.000 to 9,999.000°F or units 0.0°F  
or units  
-18.0°C  
a profile is  
active.  
-1,128.000 to 5,537.000°C  
[ACSP]  
Profile Status  
[AC.SP] Active Set Point  
-1,999.000 to 9,999.000°F or units 0.0°F  
always  
always  
or units  
-1,128.000 to 5,537.000°C  
-18.0°C  
Display the current set point, even if the profile is  
ramping.  
[`Sti]  
[ S.ti]  
Profile Status  
*Step Time Remaining  
0 to 9,999.000 seconds  
0.0  
View or change the time remaining for the current  
step.  
Step is displayed in seconds. If the time exceeds  
9,999 seconds, the display will show 9,999 and  
remain there while the control continues to  
decrement internally. Once the remaining time  
is equal to or less than 9,999 the display will  
represent the actual seconds remaining.  
As an example, if a three-hour soak time is cur-  
rently being monitored, the first value displayed  
will be 9,999, and the display will remain at  
9,999 until the remaining time is approximately  
equal to 2 hours and 46 minutes. At this point  
the display will track the actual seconds re-  
maining.  
[Ent1]  
[Ent1]  
[Ent2]  
[Ent2]  
Profile Status  
*Active Event Output (1 or 2)  
View or change the event output states.  
[`off] Off  
[``on] On  
Off  
0
always  
always  
[``JC]  
[ JC]  
Profile Status  
Jump Count Remaining  
0 to 9,999  
View the jump counts remaining for the current  
loop. In a profile with nested loops, this may not  
indicate the actual jump counts remaining.  
Note: Some values will be rounded off to fit in the four-character display. Full values can be read with other interfaces.  
If there is only one instance of a menu, no submenus will appear.  
®
Watlow EZ-ZONE PM Integrated Controller  
32  
Chapter 5 Operations Page  
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6
Chapter 6: Setup Page  
Setup Page  
Home Page  
Parameters  
[~~~1]ň  
[~~AI]Æ  
[~~p~]ň  
[~~Sp]<>Æ  
[~`A1]ň  
[~set]Æ  
È
[~sen]Æ[~lin]Æ[`Rtl]Æ[`slo]Æ[`shi]Æ[`rlo]Æ[`rhi]Æ[`PEE]Æ[`PEL]Æ[`FiL]Æ[`iEr]Æ[`dEC]Æ[`SbA]  
ꢀꢀꢀꢀÇ  
Input 1  
Submenu  
Sensor Type Linearization RTD Leads Scale Low  
Scale High  
Range Low Range High Process  
Process  
Filter Time  
Input Error Decimal  
Latching  
Sensor  
Backup  
Enable  
Hold both keys  
for 6 seconds.  
Analog Input  
Menu  
Error Enable Error Low  
<Ç  
È>  
<Ç  
È>  
Input 2  
Ɉ Submenu Same as above without sensor backup enable.  
Ɉ  
[~dio]ň [~~~5]ň  
[~set]Æ [~dio]Æ [`dir]Æ[``Fn]Æ[`oCt]Æ[`otb]Æ[`oLo]Æ[`ohi]Æ[``Fi]Æ[`Leu]Æ[``Fn]Æ[``Fi]  
È
ꢀꢀꢀꢀÇ  
In/Out 5  
Submenu  
<Ç  
È>  
Direction  
Output  
Function  
Output  
Control  
Output Time Output Low Output High Output  
Digital Input Digital Input Digital Input  
Digital  
Input/Output  
Menu  
Base  
Power Scale Power Scale Function  
Instance  
Level  
Function  
Function  
Instance  
<Ç  
È>  
In/Out 6  
Ɉ Submenu Same as above.  
Ɉ  
È
[~set]Æ [`LSd]Æ [`Lhy]Æ[`Lit]Æ[splh]Æ[spll]  
ꢀꢀꢀꢀ  
Ç
[Lim]ň  
Limit Sides  
Limit  
Hysteresis  
Limit  
Integrate  
Set Point  
Limit High  
Set Point  
Limit Low  
Limit Menu  
<Ç  
È>  
Ɉ  
[loop]ň  
[~set]Æ [`hAg]Æ [`CAg]Æ[`CCr]Æ[ttUn]Æ[tbnd]Æ[`tgn]Æ[tAgr]Æ[`UFA]Æ[FAiL]Æ[MAn]Æ[`LdE]Æ[`Ldt]Æ[`Ldd]Æ[``RP]Æ  
È
Heat  
Algorithm  
Cool  
Algorithm  
Cool Output TRU-  
Curve TUNE+™  
Enable  
TRU-  
TUNE+™  
Band  
TRU-  
TUNE+™  
Gain  
Autotune  
Aggressive- Action  
ness  
User Failure Input Error Manual  
Open Loop Open Loop Open Loop  
Ramp Action  
Loop Menu  
Failure  
Power  
Detect  
Enable  
Detect Time Detect  
Deviation  
<Ç  
È>  
ꢀꢀꢀꢀÇ  
[`RSC]Æ[`Rrt]Æ[`lsp]Æ[`hSP]Æ[spLo]Æ[SPhi]  
Ramp Scale Ramp Rate Low Set  
Point  
High Set  
Point  
Set Point Low Set Point High  
Limit Open Limit Open  
Loop Loop  
Ɉ[OtPt]ň [~~~1]ň  
[~set]Æ [OtPt]Æ [~otY]Æ[~~Fn]Æ[~rSr]Æ[~~Fi]Æ[`SLo]Æ[`Shi]Æ[`rLo]Æ[`rhi]Æ[`oLo]Æ[`ohi]Æ[`oCA]Æ[``Fn]Æ  
È
Output 1  
Submenu  
<Ç  
È>  
Output  
Type  
Output  
Function  
Retransmit Output  
Scale Low  
Scale High  
Range Low Range High Output Low Output High Calibration  
Power Scale Power Scale Offset  
Output  
Function  
Output Menu  
Source  
Function  
Instance  
<Ç  
È>  
ꢀꢀꢀꢀÇ  
[``Fi]Æ[`oCt]Æ[`otb]Æ[`oLo]Æ[`ohi]  
Output  
Function  
Instance  
Output  
Control  
Output Time Output Low Output High  
Base  
Power Scale Power Scale  
[OtPt]ň [~~~2]ň  
[~set]Æ [OtPt]Æ [~~Fn]Æ[~~Fi]Æ[`oCt]Æ[`otb]Æ[`oLo]Æ[`ohi]  
È
ꢀꢀꢀꢀÇ  
Ɉ  
Output 2  
Submenu  
<Ç  
È>  
Output  
Function  
Output  
Function  
Instance  
Output  
Control  
Output Time Output Low Output High  
Base Power Scale Power Scale  
Output Menu  
<Ç  
È>  
Output 3  
Ɉ Submenu Same as Output 1.  
Output 4  
Ɉ Submenu Same as Output 2.  
[ALM]ň [~~~1]ň  
È
[ALM]Æ [`Aty]Æ[`sra]Æ[`isa]Æ[`Ahy]Æ[`ALg]Æ[`ASd]Æ[`ALa]Æ[~AbL]Æ[`ASi]Æ[AdSp]Æ[`AdL]‰  
ꢀꢀꢀꢀÇ  
Ɉ  
[~set]  
Alarm 1  
Submenu  
<Ç  
È>  
Alarm Type Alarm  
Source  
Alarm  
Source  
Instance  
Alarm  
Hysteresis  
Alarm Logic Alarm Sides Alarm  
Latching  
Alarm  
Blocking  
Alarm  
Silencing  
Alarm  
Display  
Alarm Delay  
Alarm Menu  
<Ç  
È>  
Alarm 2 to 4  
Ɉ Submenus Same as above.  
Navigating the Setup Page  
Ɉ  
[CUrr]ň  
[~SEt]Æ [`CSd]Æ [`CUr]Æ[`Cdt]Æ[`CSC]Æ[CoFS]Æ[`CSi]  
È
ꢀꢀꢀÇ  
Current Sides Current  
Reading  
Current  
Detect  
Threshold  
Current  
Scaling  
Current  
Offset  
Current  
Source Out-  
put Instance  
Current  
Menu  
Enable  
<Ç  
È>  
Note:  
Ɉ[`FUn]ň  
[~SEt]Æ [`leu]Æ [``Fn]Æ[``Fi]  
È
ꢀꢀꢀÇ  
Some of these menus and parameters may not  
appear, depending on the controller's options.  
See model number information in the Appendix  
for more information.  
Digital Input Digital Input Function  
Function Key  
Menu  
Level  
Function  
Instance  
<Ç  
È>  
[glbl]ň  
È
[~SEt]Æ [`C_F]Æ [ACLF]Æ[ptyp]Æ[`gse]Æ[~gsd]  
ꢀꢀꢀꢀÇ  
Ɉ  
If there is only one instance of a menu, no sub-  
menus will appear.  
Display Units AC Line  
Profile Type Guaranteed Guaranteed  
Global Menu  
Frequency  
Soak Enable Soak Devia-  
tion  
<Ç  
È>  
[CoM]ň È  
[~SEt]Æ [PCoL]Æ [`AdS]Æ[AdM]Æ[bAUd]Æ[`PAr]Æ[MhL]Æ[iPM]Æ[iPF1]  
ꢀꢀꢀꢀÇ  
[iPg4]Æ[MbE]Æ [EiPE]‰  
Ɉ  
[iPF4]Æ[iPS1]  
[iPS4]Æ[iPg1]  
Protocol  
Address  
Standard  
Bus  
Address  
Modbus  
Baud Rate  
Modbus  
Parity  
Modbus  
Modbus  
IP Address IP Fixed  
IP Fixed  
Address  
Part 4  
IP Fixed  
Subnet  
Part 1  
IP Fixed  
Subnet  
Part 4  
IP Fixed  
Gateway  
Part 1  
IP Fixed  
Gateway  
Part 4  
Modbus TCP Ethernet IP  
Enable Enable  
Communica-  
tions Menu  
Word Order Mode  
Address  
Part 1  
<Ç  
È>  
Watlow EZ-ZONE® PM Integrated Controller  
33  
Chapter 6 Setup Page  
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To go to the Setup Page from the Home Page, press  
both the Up ¿and Down ¯keys for six seconds.  
[``Ai]will appear in the upper display and [`Set]  
will appear in the lower display.  
• Press the Infinity Key ˆto move backwards  
through the levels: parameter to submenu; sub-  
menu to menu; menu to Home Page.  
• Press and hold the Infinity Key ˆfor two seconds  
to return to the Home Page.  
• Press the Up ¿or Down ¯key to move through  
the menus.  
• Press the Advance Key to move to a submenu.  
Note: Avoid continuous writes within loops. Excessive writes to  
EEPROM will cause premature EEPROM failure. The EEPROM  
is rated for 1,000,000 writes.  
• Press the Up ¿or Down ¯key to move through  
the submenus.  
• Press the Advance Key to move through the pa-  
rameters of the menu or submenu.  
Dis-  
play  
Parameter Name  
Description  
Set-  
tings  
Range  
Default  
Appears If  
[``Ai]  
[`Set]  
[```1]  
[``Ai]  
[```2]  
[``Ai]  
Analog Input Menu Analog Input 1 or  
Analog Input 2  
(input 2 appears if PM6 _ _ _ _-_ [R, T or L] _ _ A _ _)  
[`Sen] Input (1 or 2)  
[`oFF] Off  
Thermocouple always  
[ SEn]  
Sensor Type  
[``tC]Thermocouple  
[`mu] Millivolts  
[uolT]Volts dc  
Set the analog sensor type to match the  
device wired to this input.  
[`MA]  
Milliamps dc  
Note: There is no open-sensor detection for  
process inputs.  
[r01H]RTD 100 Ω  
[r10H] RTD 1,000 Ω  
[`Pot] Potentiometer 1 kΩ  
J
[`Lin] Input (1 or 2)  
[```b]B  
[```C]C  
[```d]D  
[```E]E  
[```F]F  
[```J]J  
[```H]K  
[```n]N  
[```r]R  
[```S]S  
[```t]T  
Sensor Type is set to  
Thermocouple.  
[ Lin]  
Linearization  
Set the linearization to match the thermo-  
couple wired to this input.  
[`RtL] Input (1 or 2)  
[```2]2  
[```3]3  
2
Sensor Type is set to  
RTD 100 Ω or RTD  
1,000 Ω.  
[ rt.L]  
RTD Leads  
Set to match the number of leads on the  
RTD wired to this input.  
[`SLo] Input (1 or 2)  
[ S.Lo] Scale Low  
-100.0 to 1,000.0  
-100.0 to 1,000.0  
0.0  
Sensor Type is set to Mil-  
livolts, Volts, Milliamps  
or Potentiometer 1 kΩ.  
Set the low scale for process inputs. This  
value, in millivolts, volts or milliamps, will  
correspond to the Range Low displayed by  
the controller.  
[`Shi] Input (1 or 2)  
20.0  
Sensor Type is set to Mil-  
livolts, Volts, Milliamps  
or Potentiometer 1 kΩ.  
[ S.hi]  
Scale High  
Set the high scale for process inputs. This  
value, in millivolts, volts or milliamps, will  
correspond to the Range High displayed by  
the controller.  
[`rLo] Input (1 or 2)  
-1,999.000 to 9,999.000  
-1,999.000 to 9,999.000  
0.0  
Sensor Type is set to Mil-  
livolts, Volts, Milliamps  
or Potentiometer 1 kΩ.  
[ r.Lo]  
Range Low  
Set the low range for the displayed process  
input units.  
[`rhi] Input (1 or 2)  
9,999  
Off  
Sensor Type is set to Mil-  
livolts, Volts, Milliamps  
or Potentiometer 1 kΩ.  
[ r.hi]  
Range High  
Set the high range for the displayed pro-  
cess input units.  
[`PEE] Input (1 or 2)  
[ P.EE] Process Error Enable  
[`off] Off  
[Low] Low  
Sensor Type is set to Mil-  
livolts, Volts, Milliamps  
or Potentiometer 1 kΩ.  
Turn the Process Error Low feature on or  
off.  
Note: Some values will be rounded off to fit in the four-character display. Full values can be read with other interfaces.  
If there is only one instance of a menu, no submenus will appear.  
Watlow EZ-ZONE® PM Integrated Controller  
34  
Chapter 6 Setup Page  
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Dis-  
play  
Parameter Name  
Description  
Set-  
tings  
Range  
-100.0 to 1,000.0  
Default  
Appears If  
[`PEL] Input (1 or 2)  
[ P.EL] Process Error Low  
0.0  
0.5  
Off  
Sensor Type is set to Mil-  
livolts, Volts, Milliamps  
or Potentiometer 1 kΩ,  
and Error Enable is set  
to Low.  
If the process value drops below this value,  
it will trigger an input error.  
[`FiL] Input (1 or 2)  
[ FiL]  
0.0 to 60.0 seconds  
always  
Filter Time  
Filtering smooths out the process signal to  
both the display and the input. Increase  
the time to increase filtering.  
[`iEr] Input (1 or 2)  
[`off] Off  
always  
[ i.Er]  
Error Latching  
[``on] On  
Turn input error latching on or off. If  
latching is on errors must be manually  
cleared.  
[`dEC] Input (1 or 2)  
[ dEC] Decimal  
[```0]Whole  
[``00]Tenths  
[`000] Hundredths  
[0000]Thousandths  
Whole  
Off  
always  
Set the precision of the displayed value.  
[`SbA] Input 1  
[ S.bA] Sensor Backup Enable  
[`oFF] Off  
[``on] On  
PM6 _ _ _ _-_ L _ _ A A A.  
If the input 1 sensor fails, the controller  
will use the input 2 sensor.  
[`dio]  
[`Set]  
[```5]  
[`dio]  
[```6]  
[`dio]  
Digital Input/  
Output Menu  
Digital Input or  
Output 5  
Digital Input or  
Output 6  
(menu appears if PM6 _ [2 or 4] _ _-_ _ _ _ A _ _)  
[`dir] Digital Input/Output (5 or 6)  
[OtPt] Output  
[``in] Input Voltage  
[iCon] Input Dry Contact  
Output  
always  
[ dir]  
Direction  
Set the function to an input or output.  
[``Fn] Digital Output (5 or 6)  
[`oFF] Off  
Off  
Direction is set to Out-  
put.  
[ Fn]  
Function  
[CooL] Cool  
[hEAt] Heat  
[ALM]Alarm  
[`Ent] Event  
Select what function will drive this output.  
[`oCt] Digital Output (5 or 6)  
[`Ftb] Fixed Time Base  
[`utb]Variable Time Base  
Fixed Time  
Base  
Direction is set to Out-  
put.  
[ o.Ct]  
Control  
Set the output control type. This param-  
eter is only used with PID control, but can  
be set anytime.  
[`otb] Digital Output (5 or 6)  
0.1 to 60.0 seconds (solid-  
state relay or switched dc)  
5.0 to 60.0 seconds (mechani- 20.0 sec.  
cal relay or no-arc power  
control)  
0.1 sec. [SSR & Control is set to Fixed  
[ o.tb]  
Time Base  
sw dc]  
Time Base.  
Set the time base for fixed-time-base con-  
trol.  
[mech, relay,  
no-arc]  
[`oLo] Digital Output (5 or 6)  
0.0 to 100.0%  
0.0 to 100.0%  
1 to 4  
0.0%  
Direction is set to Output  
and Source is set to  
Heat or Cool.  
[ o.Lo]  
Low Power Scale  
The power output will never be less than  
the value specified and will represent the  
value at which output scaling begins.  
[`ohi] Digital Output (5 or 6)  
100.0%  
None  
Direction is set to Output  
and Source is set to  
Heat or Cool.  
[ o.hi]  
High Power Scale  
The power output will never be greater  
than the value specified and will represent  
the value at which output scaling stops.  
[``Fi] Digital Output (5 or 6)  
Direction is set to Out-  
put, and there is more  
than one instance of the  
Function selection.  
[
Fi]  
Function Instance  
Select which source instance will drive the  
output.  
Note: Some values will be rounded off to fit in the four-character display. Full values can be read with other interfaces.  
If there is only one instance of a menu, no submenus will appear.  
Watlow EZ-ZONE® PM Integrated Controller  
35  
Chapter 6 Setup Page  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Dis-  
play  
Parameter Name  
Description  
Set-  
tings  
Range  
[high] High  
Default  
High  
Appears If  
[`leu] Digital Input (5 or 6)  
[ LEu] Level  
Direction is set to Input  
Voltage or Input Dry  
Contact.  
[Low] Low  
Select what action will be interpreted as a  
true state.  
[``Fn] Digital Input (5 or 6)  
[none] None  
[idLE] Idle Set Point Enable  
(level)  
[tUnE]Tune (edge)  
[ALM]Alarm Reset (edge)  
[`SiL] Silence Alarms (edge)  
None  
Direction is set to Input  
Voltage or Input Dry  
Contact, and the fea-  
ture is available.  
[
Fn]  
Function  
Select the function that will be triggered  
by a true state.  
Functions respond to a level state change  
or an edge level change.  
[MAn] Manual/Auto Mode  
(level)  
[`oFF] Control Outputs Off  
(level)  
[`rEn] Remote Set Point En-  
able (level)  
[PLoC] Lock Keypad (level)  
[`FAL] Force Alarm (level)  
®
[`tdA]TRU-TUNE+ Dis-  
able (level)  
[`AoF]Alarm Outputs &  
Control Loop Off (level)  
[USrr] Restore User Settings  
(edge)  
[PdiS] Profile Disable (level)  
[PhoL] Profile Hold/Resume  
(level)  
[ProF] Profile Start Number  
(edge)  
[PStS] Profile Start/Stop  
(level)  
[LMr] Limit Reset (edge)  
[``Fi] Digital Input (5 or 6)  
0 All Instances (except pro-  
files)  
(For example, if Digital Func-  
tion is set to Silence Alarms  
and Function Instance is set  
to 0, then this digital input  
will silence all alarms.)  
1
Direction is set to Input  
Voltage or Input Dry  
Contact, and there is  
more than one instance  
of the Function selec-  
tion.  
[
Fi]  
Function Instance  
Select which instance of the Event Func-  
tion will be triggered by a true state.  
1 to 4  
[LIm]  
[`Set]  
Limit Menu  
(menu apprears if PM6 _ _ _ _-_ L _ _ AAA)  
[both] Both  
[`LSd] Limit  
Both  
always  
[ L.Sd] Sides  
[high] High  
[LoW] Low  
Select which side or sides of the process  
value will be monitored.  
[`Lhy] Limit  
[ L.hy] Hysteresis  
Set the hysteresis for the limit function.  
0.001 to 9,999.000°F or units 3.0°F or units always  
0.001 to 5,555.000°C  
2.0°C  
This determines how far into the safe  
range the process value must move before  
the limit turns the output back on.  
splh Limit  
[ SP.Lh] Set Point Limit High  
Clamp the operational limit high maxi-  
mum setting to this value.  
-1999.000 - 9999.000  
9999.000  
always  
Note: Some values will be rounded off to fit in the four-character display. Full values can be read with other interfaces.  
If there is only one instance of a menu, no submenus will appear.  
Watlow EZ-ZONE® PM Integrated Controller  
36  
Chapter 6 Setup Page  
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Dis-  
play  
Parameter Name  
Description  
Set-  
tings  
Range  
Default  
-1999.000  
Appears If  
spll Limit  
-1999.000 - 9999.000  
always  
always  
[SP.LL] Set Point Limit Low  
Clamp the operational limit low maximum  
setting to this value.  
[`Lit] Limit  
[``no] No  
No  
[ L.it]  
Integrate  
In a limit state the controller will turn off  
the outputs, terminate an active profile  
[`YES]Yes  
®
and freeze PID and TRU-TUNE+ calcula-  
tions.  
[Loop]  
[`Set]  
Loop Menu  
[`oFF] Off  
[`Pid] PID  
[onof] On-Off  
PID  
Off  
[`hAg] Loop  
[ h.Ag] Heat Algorithm  
always  
always  
Set the heat control method.  
[`CAg] Loop  
[ C.Ag] Cool Algorithm  
[`oFF] Off  
[`Pid] PID  
[onof] On-Off  
Set the cool control method.  
[`CCr] Loop  
[ C.Cr] Cool Output Curve  
[`oFF] Off  
[`CrA] Curve A  
[`Crb] Curve B  
Off  
Cool Algorithm is set to  
Off.  
Select a special cool output curve to  
change the responsiveness of the system.  
[ttUn] Loop  
[t.tUn] TRU-TUNE+ Enable  
Enable or disable the TRU-TUNE+  
adaptive tuning feature.  
[``no] No  
[`YES}Yes  
No  
0
Cool Algorithm or Heat  
Algorithm is set to PID.  
®
®
[tbnd] Loop  
[t.bnd] TRU-TUNE+ Band  
0 Auto  
1 to 100  
Cool Algorithm or Heat  
Algorithm is set to PID  
®
®
Set the range, centered on the set point,  
and TRU-TUNE+ En-  
®
within which TRU-TUNE+ will be in ef-  
able is set to Yes.  
fect. Use this function only if the controller  
is unable to adaptive tune automatically.  
[`tgn] Loop  
1 to 6 Most to least respon-  
sive  
3
Cool Algorithm or Heat  
Algorithm is set to PID  
and TRU-TUNE+ En-  
®
[ t.gn]  
TRU-TUNE+ Gain  
®
Select the responsiveness of the TRU-  
TUNE+ adaptive tuning calculations.  
®
able is set to Yes.  
More responsiveness may increase over-  
shoot.  
[tAgr] Loop  
[t.Agr] Autotune Aggressiveness  
[Undr] Under damped  
[Crit] Critical damped  
[ouer] Over damped  
Critical  
Cool Algorithm or Heat  
Algorithm is set to PID.  
Select the aggressiveness of the autotun-  
ing calculations.  
[`UFA] Loop  
[ UFA] User Failure Action  
Select what the controller outputs will do  
[`oFF] Off, sets output power Off  
to 0%  
[bPLS] Bumpless, maintains  
same output power, if it was  
less than 75% and stable,  
otherwise 0%  
always  
when the user switches control to manual  
mode.  
[MAn] Manual Fixed, sets  
output power to Manual  
Power setting  
[USEr] User, sets output  
power to last open-loop set  
point the user entered  
Note: Some values will be rounded off to fit in the four-character display. Full values can be read with other interfaces.  
If there is only one instance of a menu, no submenus will appear.  
Watlow EZ-ZONE® PM Integrated Controller  
37  
Chapter 6 Setup Page  
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Dis-  
play  
Parameter Name  
Description  
Set-  
tings  
Range  
Default  
Appears If  
[FAiL] Loop  
[FAiL] Input Error Failure  
[`oFF] Off, sets output power Off  
to 0%  
always  
Select what the controller outputs will do  
when an input error switches control to  
manual mode.  
[bPLS] Bumpless, maintains  
same output power, if it was  
less than 75% and stable,  
otherwise 0%  
[MAn] Manual Fixed, sets  
output power to Manual  
Power setting  
[USEr] User, sets output  
power to last open-loop set  
point the user entered  
[MAn] Loop  
[MAn] Manual Power  
Set the manual output power level that  
Set Point Open Loop Limit  
Low to Set Point Open Loop  
Limit High (Setup Page)  
0.0  
No  
Input Error Failure is set  
to Manual Fixed.  
will take effect if an input error failure  
occurs.  
[`LdE] Loop  
[ L.dE] Open Loop Detect Enable  
Turn on the open-loop detect feature to  
[``no] No  
[`YES}Yes  
controller is equipped  
with a current trans-  
former input (PM6 _ _ _  
_ - _T _ _ _ _ _).  
monitor a closed-loop operation for the ap-  
propriate response.  
[`Ldt] Loop  
0 to 3,600 seconds  
240  
Open Loop Detect Enable  
is set to Yes.  
[ L.dt]  
Open Loop Detect Time  
The Open Loop Detect Deviation value  
must occur for this time period to trigger  
an open-loop error.  
[`Ldd] Loop  
-1,999.000 to 9,999.000°F or  
units  
-1,110.555 to 5,555.000°C  
10.0°F or units Open Loop Detect Enable  
[ L.dd] Open Loop Detect Deviation  
Set the value that the process must devi-  
ate from the set point to trigger an open-  
loop error.  
is set to Yes.  
6.0°C  
[``rP] Loop  
[`oFF] Off  
Off  
always  
[ rP]  
Ramp Action  
[`Str] Startup  
[StPt] Set Point Change  
[both] Both  
Select when the controller's set point will  
ramp to the defined end set point.  
[`rSC] Loop  
[ r.SC] Ramp Scale  
[hoUr] Hours  
[Min] Minutes  
Minutes  
Ramp Action is set to  
Startup, Set Point or  
Both.  
Select the scale of the ramp rate.  
[`rrt] Loop  
[ r.rt]  
Ramp Rate  
0.0 to 9,999.000°F or units  
0.0 to 5,555.000°C  
1.0°F or units Ramp Action is set to  
Startup, Set Point or  
Both.  
1.0°C  
Set the rate for the set point ramp. Set  
the time units for the rate with the Ramp  
Scale parameter.  
[`LSP] Loop  
[ L.SP] Low Set Point  
-1,999.000 to 9,999.000°F or  
units  
-1,128.000 to 5,537.000°C  
-1,999°F or  
units  
-1,128°C  
always  
always  
always  
Set the low end of the set point range.  
[`hSP] Loop  
[ h.SP] High Set Point  
-1,999.000 to 9,999.000°F or  
units  
-1,128.000 to 5,537.000°C  
9,999°F or  
units  
5,537°C  
Set the high end of the set point range.  
[SPLo] Loop  
-100 to 100%  
-100  
[SP.Lo] Set Point Low Limit Open Loop  
Set the minimum value of the open-loop  
set point range.  
[SPhi] Loop  
-100 to 100%  
100  
always  
[SP.hi] Set Point High Limit Open Loop  
Set the maximum value of the open-loop  
set point range.  
Note: Some values will be rounded off to fit in the four-character display. Full values can be read with other interfaces.  
If there is only one instance of a menu, no submenus will appear.  
Watlow EZ-ZONE® PM Integrated Controller  
38  
Chapter 6 Setup Page  
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Dis-  
play  
Parameter Name  
Description  
Set-  
tings  
Range  
Default  
Appears If  
[otpt]  
[`Set]  
[```1]  
[otpt]  
[```2]  
[otPt]  
[```3]  
[otpt]  
[```4]  
[otpt]  
Output Menu  
Output 1  
Output 2  
Output 3  
Output 4  
(check model number for output information)  
Volts a process output (PM6 _  
[`oty] Output (1 or 3)  
[ o.ty]  
Type  
[uoLt]Volts  
[`MA] Milliamps  
_ F _-_ _ _ _ A _ _ or PM6  
_ _ _-_ _ F _ A _ _)  
Select whether the process output will op-  
erate in volts or milliamps.  
[``Fn] Output (1 or 3)  
[`oFF] Off  
[hEAt] Heat  
[CooL] Cool  
Heat (output 1) a process output (PM6 _  
[
Fn]  
Function  
_ F _-_ _ _ _ A _ _ or PM6  
Off (output 2)  
Select what function will drive this output.  
_ _ _-_ _ F _ A _ _)  
[dUPL] Duplex  
[ALM]Alarm  
[`Ent] Event  
[rMt] Retransmit  
[`rSr] Output (1 or 3)  
[ r.Sr]  
Retransmit Source  
Select the value that will be retransmitted.  
[``Ai]Analog Input  
[StPt] Set Point  
[CUrr] Current  
Analog Input  
a process output (PM6  
_ _ F _-_ _ _ _ A _ _ or  
PM6 _ _ _-_ _ F _ A _ _)  
and Function is set to  
Retransmit.  
[``Fi] Output (1 or 3)  
1 to 4  
1
a process output (PM6 _  
_ F _-_ _ _ _ A _ _ or PM6  
_ _ _-_ _ F _ A _ _) and  
there is more than one  
instance of the Function  
selection.  
[
Fi]  
Function Instance  
Select which source instance will drive the  
output.  
[`SLo] Output (1 or 3)  
[ S.Lo] Scale Low  
0.00 to 20.00  
0.00 to 20.00  
0.00  
a process output (PM6 _  
_ F _-_ _ _ _ A _ _ or PM6  
_ _ _-_ _ F _ A _ _)  
Set the minimum value of the process out-  
put range in electrical units.  
[`Shi] Output (1 or 3)  
10.00  
a process output (PM6 _  
_ F _-_ _ _ _ A _ _ or PM6  
_ _ _-_ _ F _ A _ _)  
[ S.hi]  
Scale High  
Set the maximum value of the process out-  
put range in electrical units.  
[`rLo] Output (1 or 3)  
-1,999.000 to 9,999.000°F or  
units  
-1,128.000 to 5,537.000°C  
0.0°F or units a process output (PM6  
[ r.Lo]  
Range Low  
_ _ F _-_ _ _ _ A _ _ or  
PM6 _ _ _-_ _ F _ A _ _)  
and Function is set to  
Retransmit.  
-18°C  
Set the minimum value of the retransmit  
value range in process units. When the  
retransmit source is at this value, the  
retransmit output will be at its Scale Low  
value.  
[`rhi] Output (1 or 3)  
-1,999.000 to 9,999.000°F or  
units  
-1,128.000 to 5,537.000°C  
9,999.0°F or  
units  
5,537.0°C  
a process output (PM6  
_ _ F _-_ _ _ _ A _ _ or  
PM6 _ _ _-_ _ F _ A _ _)  
and Function is set to  
Retransmit.  
[ r.hi]  
Range High  
Set the maximum value of the retransmit  
value range in process units. When the  
retransmit source is at this value, the re-  
transmit output will be at its Scale High  
value.  
[`oLo] Output (1 or 3)  
0.0 to 100.0%  
0.0  
a process output (PM6 _ _  
F _-_ _ _ _ A _ _ or PM6  
_ _ _-_ _ F _ A _ _) and  
Function is set to Heat  
or Cool.  
[ o.Lo]  
Low Power Scale  
Set the minimum value of the output  
range.  
[`ohi] Output (1 or 3)  
[ o.hi]  
High Power Scale  
0.0 to 100.0%  
100.0  
a process output (PM6 _ _  
F _-_ _ _ _ A _ _ or PM6  
_ _ _-_ _ F _ A _ _) and  
Function is set to Heat  
or Cool.  
Set the maximum value of the output  
range.  
[`oCA] Output (1 or 3)  
[ o.CA] Calibration Offset  
-1,999.000 to 9,999.000°F or  
units  
-1,110.555 to 5,555.000°C  
0.0°F or units a process output (PM6 _ _  
F _-_ _ _ _ A _ _ or PM6  
0.0°C  
Set an offset value for a process output.  
_ _ _-_ _ F _ A _ _)  
Note: Some values will be rounded off to fit in the four-character display. Full values can be read with other interfaces.  
If there is only one instance of a menu, no submenus will appear.  
Watlow EZ-ZONE® PM Integrated Controller  
39  
Chapter 6 Setup Page  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Dis-  
play  
Parameter Name  
Description  
Set-  
tings  
Range  
Default  
Heat  
Alarm  
Off (outputs 3  
& 4)  
Appears If  
[``Fn] Output (1 to 4)  
[`oFF] Off  
a time-proportioned out-  
put (solid-state relay,  
switched dc or mechani-  
cal relay)  
[
Fn]  
Function  
[hEAt] Heat  
[CooL] Cool  
[ALM]Alarm  
Select what function will drive this output.  
[`Ent] Event  
[LiM] Limit (outputs 3 & 4)  
[``Fi] Output (1 to 4)  
1 to 4  
1
a time-proportioned out-  
put (solid-state relay,  
switched dc or mechani-  
cal relay), and there is  
more than one instance  
of the Function selec-  
tion.  
[
Fi]  
Function Instance  
Select which source instance will drive the  
output.  
[`oCt] Output (1 to 4)  
[`Ftb] Fixed Time Base  
[`utb]Variable Time Base  
Fixed Time  
Base  
a time-proportioned out-  
put (solid-state relay,  
switched dc or mechani-  
cal relay).  
If output 1 is a universal  
process output, output  
2 cannot function as  
a variable-time-base  
output. If output 3 is  
a universal process  
[ o.Ct]  
Control  
Set the output control type. This param-  
eter is only used with PID control, but can  
be set anytime.  
output, output 4 cannot  
function as a variable-  
time-base output.  
[`otb] Output (1 to 4)  
0.1 to 60.0 seconds (solid-  
state relay or switched dc)  
5.0 to 60.0 seconds (mechani- 20.0 sec.  
cal relay or no-arc power  
control)  
0.1 sec. [SSR & a time-proportioned  
[ o.tb]  
Time Base  
sw dc]  
output (solid-state  
relay, switched dc or  
mechanical relay) and  
Control is set to Fixed  
Time Base.  
Set the time base for fixed-time-base con-  
trol.  
[mech, relay,  
no-arc]  
[`oLo] Output (1 to 4)  
0.0 to 100.0%  
0.0 to 100.0%  
0.0%  
a time-proportioned out-  
put (solid-state relay,  
switched dc or mechani-  
cal relay) and Source is  
set to Heat or Cool.  
[ o.Lo]  
Low Power Scale  
The power output will never be less than  
the value specified and will represent the  
value at which output scaling begins.  
[`ohi] Output (1 to 4)  
100.0%  
a time-proportioned out-  
put (solid-state relay,  
switched dc or mechani-  
cal relay) and Source is  
set to Heat or Cool.  
[ o.hi]  
High Power Scale  
The power output will never be greater  
than the value specified and will represent  
the value at which output scaling stops.  
[Alm]  
[`Set]  
[```1]  
[Alm]  
[```2]  
[Alm]  
[```3]  
[Alm]  
[```4]  
[Alm]  
Alarm Menu  
Alarm 1  
Alarm 2  
Alarm 3  
Alarm 4  
[`Aty] Alarm (1 to 4)  
[ A.ty]  
Type  
[`oFF] Off  
[PRAL] Process Alarm  
[dEAL]Deviation Alarm  
Off  
always  
always  
Select how the alarm will or will not track  
the set point.  
[`sra] Alarm (1 to 4)  
[ Sr.A] Source  
[``Ai]Analog Input  
[PWr] Power (process only)  
[CUrr] Current (process only)  
Analog Input  
1
Select what will trigger this alarm.  
[`isa] Alarm (1 to 4)  
1 or 2  
there is more than one  
instance of the Source  
selection.  
[ iS.A]  
Source Instance  
If Alarm Source is set to input, select  
which input to use.  
Note: Some values will be rounded off to fit in the four-character display. Full values can be read with other interfaces.  
If there is only one instance of a menu, no submenus will appear.  
Watlow EZ-ZONE® PM Integrated Controller  
40  
Chapter 6 Setup Page  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Dis-  
play  
Parameter Name  
Description  
Set-  
tings  
Range  
Default  
Appears If  
[`Ahy] Alarm (1 to 4)  
[ A.hy] Hysteresis  
0.001 to 9,999.000°F or units 1.0°F or units always  
0.001 to 5,555.000°C  
1.0°C  
Set the hysteresis for an alarm. This de-  
termines how far into the safe region the  
process value needs to move before the  
alarm can be cleared.  
[`ALg] Alarm (1 to 4)  
[ A.Lg] Logic  
Select what the output condition will be  
during the alarm state.  
[`ALC] Close On Alarm  
[`ALo] Open On Alarm  
Close On  
Alarm  
always  
always  
always  
always  
[`ASd] Alarm (1 to 4)  
[ A.Sd] Sides  
Select which side or sides will trigger this  
[both] Both  
[high] High  
[LoW] Low  
Both  
alarm.  
[`ALA] Alarm (1 to 4)  
[ A.LA] Latching  
[nLAt] Non-Latching  
[`LAt] Latching  
Non-Latching  
Off  
Turn alarm latching on or off. A latched  
alarm has to be turned off by the user.  
[`AbL] Alarm (1 to 4)  
[ A.bL] Blocking  
Select when an alarm will be blocked.  
[`oFF] Off  
[`Str] Startup  
[StPt] Set Point  
[both] Both  
After startup and/or after the set point  
changes, the alarm will be blocked until  
the process value enters the normal range.  
[`ASi] Alarm (1 to 4)  
[`oFF] Off  
[``on] On  
Off  
On  
0
always  
always  
always  
[ A.Si]  
Silencing  
Turn alarm silencing on to allow the user  
to disable this alarm.  
[AdSP] Alarm (1 to 4)  
[A.dSP] Display  
[`oFF] Off  
[``on] On  
Display an alarm message when an alarm  
is active.  
[`AdL] Alarm (1 to 4)  
[ A.dL] Delay  
0 to 9,999 seconds  
Set the time the alarm will be delayed  
after the process value exceeds the alarm  
set point.  
[CUrr]  
[`Set]  
Current Menu (menu appears if PM6 _ _ _ _-_ T _ _ A _ _)  
[`CSd] Current  
[ C.Sd] Sides  
[`oFF] Off  
Off  
always  
[high] High  
[LoW] Low  
[both] Both  
Select which side of the current to monitor.  
[`CUr] Current  
[ CU.r] Reading Enable  
[``no] No  
[`YES}Yes  
No  
9
always  
always  
always  
Display under- or over-range current.  
[`Cdt] Current  
3 to 59  
[ C.dt]  
Detect Threshold  
For factory adjustment only.  
[`CSC] Current  
0 to 9,999.000 amperes  
50.0  
[ C.SC] Scaling  
Adjust scaling to match the transformer's  
high range.  
[CoFS] Current  
[C.oFS] Offset  
Calibrate the current reading with an  
offset value.  
-1,999.000 to 9,999.000  
0.0  
always  
Note: Some values will be rounded off to fit in the four-character display. Full values can be read with other interfaces.  
If there is only one instance of a menu, no submenus will appear.  
Watlow EZ-ZONE® PM Integrated Controller  
41  
Chapter 6 Setup Page  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Dis-  
play  
Parameter Name  
Description  
Set-  
tings  
Range  
Default  
Appears If  
[`CSi] Current  
1 to 6  
1 (if not pro-  
cess)  
2 (otherwise)  
always  
always  
[ C.Si]  
Source Output Instance  
Select which output instance the current  
transformer will monitor.  
[`FUn]  
[`Set]  
Function Key Menu  
[`Leu] Function Key  
[high] High  
High  
[ LEv]  
Level  
[Low] Low  
Select what state the Function Key will be  
in at startup.  
Pressing the Function Key will toggle the  
selected action.  
[``Fn] Function Key  
[none] None  
[idLE] Idle Set Point Enable  
(level)  
None  
always, but only the  
available features can be  
selected.  
[
Fn]  
Digital Input Function  
Program the EZ Key to trigger an action.  
[tUnE]Tune (edge)  
[ALM]Alarm Reset (edge)  
[`SiL] Silence Alarms (edge)  
Functions respond to a level state change  
or an edge level change.  
[MAn] Manual/Auto Mode  
(level)  
[`oFF] Control Outputs Off  
(level)  
[`rEn] Remote Set Point En-  
able (level)  
[PLoC] Lock Keypad (level)  
[`FAL] Force Alarm (level)  
®
[`tdA]TRU-TUNE+ Dis-  
able (level)  
[`AoF]Alarm Outputs &  
Control Loop Off (level)  
[USrr] Restore User Settings  
(edge)  
[PdiS] Profile Disable (level)  
[PhoL] Profile Hold/Resume  
(level)  
[ProF] Profile Start Number  
(edge)  
[PStS] Profile Start/Stop  
(level)  
[LMr] Limit Reset (edge)  
[``Fi] Function Key  
0 All Instances (except Pro-  
file)  
(For example, if Digital Func-  
tion is set to Silence Alarms  
and Function Instance is set  
to 0, then the digital input  
would silence all alarms.)  
0
there is more than one  
instance of the Digital  
Input Function selec-  
tion.  
[
Fi]  
Instance  
Select which instance the EZ Key will af-  
fect. If only one instance is available, any  
selection will affect it.  
1 to 4  
[gLbL]  
[`Set]  
Global Menu  
[`C_F] Global  
[```F] °F  
[```C] °C  
°F  
always  
always  
[ C_F]  
Display Units  
Select which units will be displayed.  
[ACLF] Global  
[``50] 50 Hz  
60 Hz  
[AC.LF] AC Line Frequency  
[``60] 60 Hz  
Set the frequency to the applied ac line  
power source.  
Note: Some values will be rounded off to fit in the four-character display. Full values can be read with other interfaces.  
If there is only one instance of a menu, no submenus will appear.  
Watlow EZ-ZONE® PM Integrated Controller  
42  
Chapter 6 Setup Page  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Dis-  
play  
Parameter Name  
Description  
Set-  
tings  
Range  
Default  
Set Point  
Appears If  
[Ptyp] Global  
[StPt] Set Point  
[`Pro] Process  
the controller includes  
profiling (PM6 R _ _ _-_  
_ _ _ A _ _).  
[P.tyP] Profile Type  
Set the profile startup to be based on a set  
point or a process value.  
[`GSE] Global  
[`oFF] Off  
[``on] On  
Off  
the controller includes  
profiling (PM6 R _ _ _-_  
_ _ _ A _ _).  
[ gSE]  
Guaranteed Soak Enable  
Enables the guaranteed soak deviation  
function in profiles.  
[`GSd] Global  
0.0 to 9,999.000°F or units  
0.0 to 5,555.000°C  
10.0°F or units the controller includes  
[ gSd]  
Guaranteed Soak Deviation  
profiling (PM6 R _ _ _-_  
6.0°C  
Set the value of the deviation band that  
will be used in all profile step types. The  
process value must enter the deviation  
band before the step can proceed.  
_ _ _ A _ _).  
[CoM]  
[`SEt]  
Communications Menu  
[```1]  
[CoM]  
Communications 1  
[```2]  
[CoM]  
Communications 2  
[PCoL] Communications 1  
[`Std] Standard Bus  
[Mod] Modbus RTU  
Modbus  
1
the controller includes  
Modbus RTU (PM6 _ _  
_ _-1 _ _ _ A _ _).  
Protocol  
[PCoL]  
Set the protocol of this controller to the  
protocol that this network is using.  
[`AdS] Communications 1  
Address Standard Bus  
1 to 16  
Protocol is set to Stan-  
dardbus  
Range depends on the  
model.  
[ Ad.S]  
Set the network address of this controller.  
Each device on the network must have a  
unique address.  
The Zone Display on the front panel will  
display this number.  
[AdM] Communications (1 or 2)  
1 to 247  
1
Protocol is set to Modbus  
Range depends on the  
model.  
Address Modbus  
[Ad.M]  
Set the network address of this controller.  
Each device on the network must have a  
unique address.  
[bAUd] Communications (1 or 2)  
9,600  
19,200  
38,400  
9,600  
Protocol is set to Modbus.  
Range depends on the  
model.  
Baud Rate Modbus  
[bAUd]  
Set the speed of this controller's commu-  
nications to match the speed of the serial  
network.  
[`PAr] Communications  
Parity Modbus (1 or 2)  
[none] None  
[EuEn] Even  
[`odd] Odd  
None  
Protocol is set to Modbus.  
Range depends on the  
model.  
[ PAr]  
Set the parity of this controller to match  
the parity of the serial network.  
[MhL] Communications (1 or 2)  
[Lohi] Low-High  
[hiLo] High-Low  
Low-High  
Protocol is set to Modbus.  
Modbus Word Order  
[M.hL]  
Select the word order of the two 16-bit  
words in the floating-point values.  
[iPM] Communications 2  
[dhCP] DHCP  
[FAdd] Fixed Address  
the controller includes  
EtherNet/IP (PM6 _ _ _  
_-3AA _ A _ _).  
IP Address Mode  
[iP.M]  
Select DHCP to let a DHCP server assign  
an address to this controller.  
[iPF1] Communications 2  
IP Fixed Address Part 1  
0 to 255  
0 to 255  
169  
254  
IP Address Mode is set  
to Fixed  
[ip.F1]  
Set the IP address of this controller. Each  
device on the network must have a unique  
address.  
[iPF2] Communications 2  
IP Fixed Address Part 2  
IP Address Mode is set  
to Fixed  
[ip.F2]  
Set the IP address of this controller. Each  
device on the network must have a unique  
address.  
Note: Some values will be rounded off to fit in the four-character display. Full values can be read with other interfaces.  
If there is only one instance of a menu, no submenus will appear.  
Watlow EZ-ZONE® PM Integrated Controller  
43  
Chapter 6 Setup Page  
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Dis-  
play  
Parameter Name  
Description  
Set-  
tings  
Range  
Default  
Appears If  
[iPF3] Communications 2  
IP Fixed Address Part 3  
0 to 255  
0 to 255  
1
1
IP Address Mode is set  
to Fixed  
[ip.F3]  
Set the IP address of this controller. Each  
device on the network must have a unique  
address.  
[iPF4] Communications 2  
IP Fixed Address Part 4  
IP Address Mode is set  
to Fixed  
[ip.F4]  
Set the IP address of this controller. Each  
device on the network must have a unique  
address.  
[iPS1] Communications 2  
IP Fixed Subnet Part 1  
Set the IP subnet mask for this controller.  
0 to 255  
0 to 255  
0 to 255  
0 to 255  
0 to 255  
255  
255  
0
IP Address Mode is set  
to Fixed  
[ip.S1]  
[iPS2] Communications 2  
IP Fixed Subnet Part 2  
Set the IP subnet mask for this controller.  
IP Address Mode is set  
to Fixed  
[ip.S2]  
[iPS3] Communications 2  
IP Fixed Subnet Part 3  
Set the IP subnet mask for this controller.  
IP Address Mode is set  
to Fixed  
[ip.S1]  
[iPS4] Communications 2  
IP Fixed Subnet Part 4  
Set the IP subnet mask for this controller.  
0
IP Address Mode is set  
to Fixed  
[ip.S4]  
[iPg1] Communications 2  
IP Fixed Gateway Part 1  
0
IP Address Mode is set  
to Fixed  
[ip.g1]  
Set the IP gateway address for this con-  
troller.  
[iPg2] Communications 2  
IP Fixed Gateway Part 2  
0 to 255  
0 to 255  
0 to 255  
0
0
0
IP Address Mode is set  
to Fixed  
[ip.g2]  
Set the IP gateway address for this con-  
troller.  
[iPg3] Communications 2  
IP Fixed Gateway Part 3  
IP Address Mode is set  
to Fixed  
[ip.g3]  
Set the IP gateway address for this con-  
troller.  
[iPg4] Communications 2  
IP Fixed Gateway Part 4  
IP Address Mode is set  
to Fixed  
[ip.g4]  
Set the IP gateway address for this con-  
troller.  
[MbE] Communications 2  
[``no] No  
[`YES}Yes  
Yes  
Yes  
the controller includes  
Modbus TCP (PM6 _ _ _  
_-3AA _ A _ _).  
Modbus TCP Enable  
Activate Modbus TCP.  
[Mb.E]  
[EiPE] Communications 2  
[``no] No  
[`YES}Yes  
the controller includes  
EtherNet/IP (PM6 _ _ _  
_-3AA _ A _ _).  
EtherNet/IP™ Enable  
Activate EtherNet/IP™.  
[EiP.E]  
Note: Some values will be rounded off to fit in the four-character display. Full values can be read with other interfaces.  
If there is only one instance of a menu, no submenus will appear.  
Watlow EZ-ZONE® PM Integrated Controller  
44  
Chapter 6 Setup Page  
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7
Chapter 7: Profiling Page  
Note:  
Navigating the Profiling Page  
Some of these menus and parameters may not appear,  
depending on the controller's options. See model num-  
ber information in the Appendix for more information.  
Profiling  
Page  
Home  
Page  
If there is only one instance of a menu, no submenus  
will appear.  
Steps  
Step Types  
[~~p~]ˆ  
[~~p1]ˆ  
[~~`1]  
[~~ti]ˆ  
ˆ  
[~~Sp]ꢁ  
[FiLe]ꢁ  
[``P1] [StyP][tgSP][hoUr][Min][`SEC][Ent1][Ent2]‰  
Time  
<ꢃ  
>  
Target Set  
Point  
Hours  
Minutes  
Seconds  
Event  
Output 1  
Event  
Output 2  
Hold key for 3  
seconds.  
<ꢃ  
>  
Steps 1 to 10  
Profile 1  
Profile 1  
<ꢃ  
>  
ˆ[``P2]ˆ  
[~~11]  
[``P2]  
[rAtE]ˆ  
[FiLE]ꢁ  
[StyP][tgSP][rAtE][Ent1][Ent2]‰  
Rate  
<ꢃ  
>  
Target Set  
Point  
Rate  
Event  
Output 1  
Event  
Output 2  
<ꢃ  
>  
Steps 11 to 20  
Profile 2  
Profile 2  
<ꢃ  
>  
ˆ  
[``P3]ˆ  
[~~21]  
[``P3]  
[SoAH]ˆ  
[FiLE]ꢁ  
[StyP][hoUr][Min][`SEC][Ent1][Ent2]‰  
Soak  
<ꢃ  
>  
Hours  
Minutes  
Seconds  
Event  
Output 1  
Event  
Output 2  
<ꢃ  
>  
Steps 21 to 30  
Profile 3  
Profile 3  
<ꢃ  
>  
ˆ[``P4]ˆ [~~31]  
[FiLE][``P4]  
[`WE]ˆ  
[StyP][WE1][WE2][Ent1][Ent2]‰  
Wait For Wait Event 1 Wait Event 2 Event  
Event  
Output 2  
<ꢃ  
>  
Steps 31 to 40  
Profile 4  
Profile 4  
Event  
Output 1  
<ꢃ  
>  
<ꢃ  
>  
[WPr]ˆ  
[StyP][WPi][WPr][Ent1][Ent2]‰  
Wait For Wait for  
Process Process  
<ꢃ  
>  
Wait for  
Process  
Value  
Event  
Output 1  
Event  
Output 2  
Instance  
[Wbo]ˆ  
[StyP][tgSP][WE1][WE2][Ent1][Ent2]‰  
Wait For Both Target Set  
Wait Event 1 Wait Event 2 Event  
Output 1  
Event  
Output 2  
Point  
<ꢃ  
>  
[``JL]ˆ  
[StyP][``JS][``JC][Ent1][Ent2]‰  
Jump Loop Jump Step  
Step  
Jump Count Event  
Output 1  
Event  
Output 2  
<ꢃ  
>  
[`End]ˆ  
[StyP][`End]  
End Step End Type  
<ꢃ  
>  
[UStP]  
[StyP]  
Unused Step  
<ꢃ  
>  
Watlow EZ-ZONE® PM Integrated Controller  
45  
Chapter 7 Profiling Page  
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The Profiling Page allows you to enter your ramp  
and soak profile information.  
How to Start a Profile  
After defining the profile follow the steps below to  
run the profile:  
To go to the Profiling Page from the Home Page,  
press the Advance Key for three seconds, until  
[ProF] appears in the lower display and the pro-  
file number appears in the upper display. Press  
the Up ¿ or Down ¯ key to change to another pro-  
file.  
1. From the Home Page push the Advance Key ‰  
repeatedly until Profile Start [PSt1] appears in  
the lower display.  
2. Use the Up ¿ or Down ¯ key to choose the file  
or step number within a profile where you want  
the profile to begin running.  
3. Press the Advance Key . This takes you to  
Profile Action [PAC1], where you can select the  
appropriate action.  
[none] No action  
[ProF] Begin execution from first step of the  
specified profile number, whether it exists or not.  
[PAUS] Pause the currently running profile.  
• Press the Advance Key to move to the selected  
profile's first step.  
• Press the Up ¿ or Down ¯ keys to move  
through the steps.  
• Press the Advance Key to move through the  
selected step's settings.  
• Press the Up ¿ or Down ¯ keys to change the  
step's settings.  
• Press the Infinity Key ˆ at any time to return  
[rESU] Resume running the profile from the  
previously paused step.  
[`End] End the profile.  
to the step number prompt.  
• Press the Infinity Key ˆ again to return to the  
profile number prompt.  
[StEP] Begin running the profile from the spec-  
• From any point press and hold the Infinity Key  
ified step number.  
ˆ for two seconds to return to the Home Page.  
Note: Changes made to profile parameters in the Profiling  
Pages will be saved and will also have an immediate impact  
on the running profile.  
Note: Avoid continuous writes within loops. Excessive writes to  
EEPROM will cause premature EEPROM failure. The EEPROM  
is rated for 1,000,000 writes.  
Some parameters in the Profile Status Menu can be changed  
for the currently running profile, but should only be changed  
by knowledgeable personnel and with caution. Changing pa-  
rameters via the Profile Status Menu will not change the stored  
profile but will have an immediate impact on the profile that is  
running.  
Display  
Parameter name  
Description  
Set-  
tings  
Range  
(Integer values for Mod-  
bus in parentheses.)  
Default  
Appears If  
Profiling parameters appear if the controller includes profiling (PM6 R _ _ _-_ _ _ _ A _ _).  
[ProF]  
[ProF]  
Profile  
Select the profile to be edited or viewed.  
P1 to P4  
1
always  
always  
[``p1]  
[ P1] to  
[``p4]  
[ P4]  
Step  
Select a step to edit or view.  
1 to 10 [profile 1]  
11 to 20 [profile 2]  
21 to 30 [profile 3]  
31 to 40 [profile 4]  
[Styp]  
[S.typ]  
Step Type  
Select a step type.  
[UStP] Unused Step  
[``ti]Time  
Unused  
always  
[rAtE] Rate  
[SoAH] Soak  
[`WE]Wait For Event  
[WPr]Wait For Process  
[Wbo]Wait For Both  
[``JL] Jump Loop  
[`End] End  
[tgSP]  
[tg.SP]  
Step Type Parameters  
Target Set Point  
Select the set point for this step.  
-1,999.000 to  
9,999.000°F or units  
-1,128 to 5,537.000°C  
0.0°F or  
units  
-18°C  
Step Type is set to Time,  
Rate, Wait for Process or  
Wait for Both.  
Note: Some values will be rounded off to fit in the four-character display. Full values can be read with another interface.  
Watlow EZ-ZONE® PM Integrated Controller  
46  
Chapter 7 Profiling Page  
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Display  
Parameter name  
Description  
Set-  
tings  
Range  
(Integer values for Mod-  
bus in parentheses.)  
Default  
Appears If  
[hoUr]  
[hoUr]  
Step Type Parameters  
Hours  
Select the hours (plus Minutes and Seconds) for  
0 to 99  
0 to 59  
0 to 59  
0
Step Type is set to Time  
or Soak.  
a timed step.  
[Min]  
[Min]  
Step Type Parameters  
Minutes  
Select the minutes (plus Hours and Seconds) for  
a timed step.  
0
0
Step Type is set to Time  
or Soak.  
[~SEC]  
[ SEC]  
Step Type Parameters  
Seconds  
Step Type is set to Time  
or Soak.  
Select the seconds (plus Hours and Minutes) for  
a timed step.  
[rate]  
[rAtE]  
Step Type Parameters  
Rate  
0 to 9,999.000°F or units 0.0  
per minute  
Step Type is set to Rate.  
Select the rate for ramping in degrees or units  
per minute.  
0 to 5,555.000°C per  
minute  
[WPi]  
[W.Pi]  
Step Type Parameters  
1 or 2  
1
Step Type is set to Wait  
For Process and the con-  
troller has two process  
inputs.  
Wait For Process Instance  
Select which analog input Wait For Process will  
use.  
[WPr]  
[WPr]  
Step Type Parameters  
Wait For Process Value  
-1,999.000 to  
9,999.000°F or units  
0.0°F or  
units  
Step Type is set to Wait  
For Process.  
The step will wait until the process value is  
equal to the Wait-for Process Value. Once the  
Wait For Process is satisfied, this step ends.  
-1,128.000 to  
5,537.000°C  
-18.0°C  
[WE1]  
[WE.1]  
or  
[WE2]  
[WE.2]  
Step Type Parameters  
Wait Event (1 and 2)  
Select the event state that must be satisfied  
during this step. Digital input 5 provides the  
state of Event 1, and digital input 6 provides  
the state of Event 2.  
[`oFF] Off  
[``on] On  
[nonE] None  
Off  
Step Type is set to Wait  
Event or Wait for Both.  
[~~JS]  
[ JS]  
Step Type Parameters  
Jump Step  
Select a step to jump to.  
1 to 40  
0
0
Step Type is set to Jump  
Loop.  
[~~JC]  
[ JC]  
Step Type Parameters  
Jump Count  
0 to 9,999  
Step Type is set to Jump  
Loop.  
Set the number of jumps. A value of 0 creates  
an infinite loop. Loops can be nested four deep.  
[~End]  
[ End]  
Step Type Parameters  
End Type  
[`oFF] Control Mode  
set to Off  
User  
Step Type is set to End.  
Select what the controller will do when this pro-  
file ends.  
[Hold] Hold last closed-  
loop set point in the  
profile  
[USEr] User, reverts to  
previous set point  
[Ent1]  
[Ent1]  
or  
Step Type Parameters  
[`oFF] Off  
[``on] On  
Off  
Step Type is set to Time,  
Rate, Soak, Wait Event,  
Wait for Process, Wait  
for Both or Jump Loop.  
Event Output (1 and 2)  
Select whether Event Output 1 or 2 is on or off  
during this step.  
[Ent2]  
[Ent2]  
Note: Some values will be rounded off to fit in the four-character display. Full values can be read with another interface.  
Watlow EZ-ZONE® PM Integrated Controller  
47  
Chapter 7 Profiling Page  
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Display  
Step Type  
Description  
Parameters in Step Type  
Profiling parameters appear if the controller includes profiling (PM6 R _ _ _-_ _ _ _ A _ _).  
[``ti]  
Step Types  
Time  
[tgSP]Target Set Point  
[hoUr] Hours  
[Min] Minutes  
[ ti]  
A Time Step controls at the Target Set Point and maintains  
two event output states for the designated time.  
[`SEC] Seconds  
[Ent1] Event Output 1  
[Ent2] Event Output 2  
[rAtE]  
Step Types  
Rate  
[tgSP]Target Set Point  
[rAtE] Rate  
[Ent1] Event Output 1  
[Ent2] Event Output 2  
[rAtE]  
A Rate Step ramps the process value to the Target Set Point  
in degrees per minute while maintaining two event output  
states.  
[SoAH]  
Step Types  
[hoUr] Hours  
Soak  
[SoAk]  
[Min] Minutes  
[`SEC] Seconds  
[Ent1] Event Output 1  
[Ent2] Event Output 2  
A Soak Step maintains the last Target Set Point and two  
event output states for the designated time.  
[`WE]  
Step Types  
Wait For Event  
A Wait Event Step will wait for the event input states to  
match the two Wait Event settings.  
[WE1]Wait Event 1 (digital input 5)  
[WE2]Wait Event 2 (digital input 6)  
[Ent1] Event Output 1  
[ W.E]  
[Ent2] Event Output 2  
[WPr]  
Step Types  
Wait For Process  
A Wait For Process Step will wait for the process value to  
match the Wait For Process value.  
[WPr]Wait For Process Instance  
[WPr]Wait For Process Value  
[Ent1] Event Output 1  
[W.Pr]  
[Ent2] Event Output 2  
[Wbo]  
Step Types  
[tgSP]Target Set Point  
Wait For Both  
[W.bo]  
[WE1]Wait Event 1 (digital input 5)  
[WE2]Wait Event 2 (digital input 6)  
[Ent1] Event Output 1  
A Wait For Both Step will wait for the process value to  
match the Target Set Point and for the event states to match  
the two event output settings  
[Ent2] Event Output 2  
[``JL]  
Step Types  
[``JS] Jump Step  
Jump Loop  
[ JL]  
[``JC] Jump Count  
[Ent1] Event Output 1  
[Ent2] Event Output 2  
A Jump Loop step will jump to the Jump Step the number  
of times designated in Jump Count. Loops can be nested up  
to four deep.  
[`End]  
Step Types  
[`End] End Type  
End  
[ End]  
An End Step will end the profile. If a profile doesn't include  
an End Step, control will move to the next step. If no End  
Step is confronted, after step 40 control will default to the  
set point in effect before the profile started.  
[UStP]  
Step Types  
Unused Step  
[UStP]  
This is an empty step that can be used to, in effect, erase a  
step in a profile.  
Watlow EZ-ZONE® PM Integrated Controller  
48  
Chapter 7 Profiling Page  
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8
Chapter 8: Factory Page  
To go to the Factory Page from the Home Page,  
press and hold both the Advance and Infinity ˆ  
keys for six seconds.  
• Press the Infinity Key ˆ to return to the Home  
Page.  
• Press the Advance Key to move through the  
Note: Avoid continuous writes within loops. Excessive writes to  
EEPROM will cause premature EEPROM failure. The EEPROM  
is rated for 1,000,000 writes.  
parameter prompts.  
• Press the Up ¿ or Down ¯ keys to change the  
parameter value.  
Navigating the Factory Page  
Note:  
Some of these menus and parameters may  
not appear, depending on the controller's  
options. See model number information in  
the Appendix for more information.  
If there is only one instance of a menu, no  
submenus will appear.  
Home  
Page  
Factory Page  
Parameters  
[~~p~]ˆ  
[~~Sp]‰ˆꢁ  
[CUST]ˆ[```I]ˆ  
[FCty][CUST][`PAr][`iid]‰  
Custom 1 Parameter  
Submenu  
Instance  
Hold both keys  
for 6 seconds.  
Custom  
Menu  
<ꢃ  
>  
Custom 2  
to 20  
ˆ  
Same as above.  
Submenus  
ˆ[`LoC]ˆ  
[FCty][LoCo][LoCP][rLoC][SLoC]‰  
Lock  
Operations  
Page  
Lock  
Profiling  
Page  
Read Lock  
Set Lock  
Lockout  
Menu  
<ꢃ  
>  
ˆ[diAg]ˆ  
[FCty][``Pn][`rEu][SbLd][``Sn][dAtE][USrr][USrS][iPA1] [iPA4][CLEd]‰  
Part Number Software  
Revision  
Software  
Build  
Serial  
Number  
Date of  
Manufacture  
User Restore User Save  
IP Actual  
Address  
Part 1  
IP Actual  
Address  
Part 4  
Communica-  
tions Indica-  
tor Light  
Diagnostic  
Menu  
Set  
Set  
<ꢃ  
>  
ˆ[`CAL]ˆ[~~~I]ˆ  
[FCty][`CAl][`Mu][ELio][ELiS][ELoo][ELoS]‰  
Calibration 1 Electrical  
Electrical  
Electrical  
Electrical  
Electrical  
Output Slope  
Calibration  
Menu  
Measure-  
Input Offset Input Slope Output  
Offset  
Submenu  
<ꢃ  
ment  
<ꢃ  
>  
>  
Calibration 2  
Submenu  
ˆ  
Same as above.  
Watlow EZ-ZONE® PM Integrated Controller  
49  
Chapter 8 Factory Page  
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Dis-  
play  
Parameter Name  
Description  
Set-  
tings  
Range  
Default  
Appears If  
[CUSt]  
[FCty]  
[```1]  
[CUSt]  
[``20]  
[CUSt]  
Custom Menu  
Custom 1  
Custom 20  
[`PAr] Custom Menu  
[ PAr]  
Parameter 1 to 20  
[nonE] None  
[`Pro] Process  
[StPt] Set Point  
Active Process  
Value (1, Top  
Display)  
Active Set Point  
(2, Bottom  
Display)  
User Control  
Mode (4)  
Heat Power (5)  
Cool Power (6)  
Autotune (7)  
Idle Set Point  
(8)  
Profile Start (9)  
Profile Action  
(10)  
always  
Select the parameters that will  
appear in the Home Page.  
[ACpu]Active Process Value  
[ACSP]Active Set Point  
[``op] Open Loop Set Point  
[`iCA] Input Calibration Offset  
[`C_F] Display Units  
[USrr]User Restore Set  
[`ALo]Alarm Low Set Point  
[`Ahi]Alarm High Set Point  
[`Ahy]Alarm Hysteresis  
[`AUt]Autotune  
The Parameter 1 value will ap-  
pear in the upper display of  
the Home Page. It cannot be  
changed with the Up and Down  
Keys in the Home Page.  
The Parameter 2 value will ap-  
pear in the lower display in the  
Home Page. It can be changed  
with the Up and Down Keys, if  
the parameter is a writable one.  
[`CM] User Control Mode  
[`hPr] Heat Power  
[`CPr] Cool Power  
Scroll through the other Home  
Page parameters with the Ad-  
vance Key .  
None (11 to 20)  
[``ti]Time Integral  
[``td]Time Derivative  
[``db] Dead Band  
[`hPb] Heat Proportional Band  
[`hhy] Heat Hysteresis  
[`CPb] Cool Proportional Band  
[`Chy] Cool Hysteresis  
[`rrt] Ramp Rate  
[`CUr]Current Read  
®
[ttUn]TRU-TUNE+ Enable  
[idLE] Idle Set Point  
[CUSt] Custom Menu  
[PStr] Profile Start  
[PACr] Profile Action Request  
[`gSd] Guaranteed Soak Deviation Value  
[`LLS] Limit Low Set Point  
[`LhS] Limit High Set Point  
[`Lhy]Limit Hysteresis  
[`iid] Custom Menu  
1 to 4  
the parameter  
may apply to more  
than one instance.  
Instance  
[ iid]  
Select which instance of the pa-  
rameter will be selected.  
[`LoC]  
[FCty]  
Lockout Menu  
[LoCo] Lockout Menu  
[LoC.o] Lock Operations Page  
Change the security level of the  
Operations Page.  
1 to 3  
1 to 3  
2
3
always  
always  
[LoCP] Lockout Menu  
[LoC.P] Lock Profiling Page  
Change the security level of the  
Profiling Page.  
Note: Some values will be rounded off to fit in the four-character display. Full values can be read with another interface.  
If there is only one instance of a menu, no submenus will appear.  
Watlow EZ-ZONE® PM Integrated Controller  
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Chapter 8 Factory Page  
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Dis-  
play  
Parameter Name  
Description  
Set-  
tings  
Range  
Default  
Appears If  
always  
[rLoC] Lockout Menu  
[rLoC]  
Read Lockout Security  
1 to 5  
1 Home Page  
5
Set the read security clearance  
level. The user can access the se-  
lected level and all lower levels.  
If the Set Lockout Security level  
is higher than the Read Lockout  
Security, the Read Lockout Secu-  
rity level takes priority.  
2 Operations Page*  
3 Profiling Page*  
4 Setup Page and Diagnostics Menu  
5 Lock, Calibration and Custom menus  
*You can change the security level of the  
Operations and Profiling pages with  
Lock Operations Page and Lock Profil-  
ing Page.  
[SLoC] Lockout Menu  
0 to 5  
5
always  
[SLoC]  
Set Lockout Security  
0 No changes allowed, except to [SLoC]  
1 Home Page  
2 Operations Page*  
3 Profiling Page*  
4 Setup Page and Diagnostics Menu  
5 Lock, Calibration and Custom menus  
*You can change the security level of the  
Operations and Profiling pages with  
Lock Operations Page and Lock Profil-  
ing Page.  
Set the write security clearance  
level. The user can access the se-  
lected level and all lower levels.  
If the Set Lockout Security level  
is higher than the Read Lockout  
Security, the Read Lockout Secu-  
rity level takes priority.  
[diAg]  
[FCty]  
Diagnostics Menu  
[``Pn] Diagnostics Menu  
always  
always  
always  
[ Pn]  
Part Number  
Display this controller's part  
number.  
[`rEu] Diagnostics Menu  
[ rEu]  
Software Revision  
Display this controller's firmware  
revision number.  
[SbLd] Diagnostics Menu  
[S.bLd] Software Build  
0 to 2,147,483,647  
Display the firmware build num-  
ber.  
[``Sn] Diagnostics Menu  
0 to 2,147,483,647  
0 to 2,147,483,647  
always  
always  
always  
[ Sn]  
Serial Number  
Display the serial number.  
[dAtE] Diagnostics Menu  
[dAtE]  
Date of Manufacture  
Display the date code.  
[USrr] Diagnostics Menu  
[none] None  
None  
None  
None  
None  
[USr.r]  
User Restore Set  
[SEt1] User Set 1  
[SEt2] User Set 2  
[FCty] Factory Default  
Replace all of this controller's set-  
tings with another set.  
[USrS] Diagnostics Menu  
[USr.S] User Save Set  
[none] None  
[SEt1] User Set 1  
[SEt2] User Set 2  
always  
Save all of this controller's set-  
tings to the selected set.  
[iPA1] Diagnostics Menu  
0 to 255  
0 to 255  
the controller in-  
cludes EtherNet/  
IP (PM6 _ _ _ _-  
3AA _ A _ _).  
[iP.A1]  
IP Actual Address Part 1  
Display the first part of this  
controller's IP address.  
[iPA2] Diagnostics Menu  
[iP.A2]  
IP Actual Address Part 2  
the controller in-  
cludes EtherNet/  
IP (PM6 _ _ _ _-  
3AA _ A _ _).  
Display the second part of this  
controller's IP address.  
Note: Some values will be rounded off to fit in the four-character display. Full values can be read with another interface.  
If there is only one instance of a menu, no submenus will appear.  
Watlow EZ-ZONE® PM Integrated Controller  
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Dis-  
play  
Parameter Name  
Description  
Set-  
tings  
Range  
Default  
None  
Appears If  
[iPA3] Diagnostics Menu  
[iP.A3]  
IP Actual Address Part 3  
0 to 255  
the controller in-  
cludes EtherNet/  
IP (PM6 _ _ _ _-  
3AA _ A _ _).  
Display the third part of this  
controller's IP address.  
[iPA4] Diagnostics Menu  
[iP.A4]  
IP Actual Address Part 4  
0 to 255  
None  
the controller in-  
cludes EtherNet/  
IP (PM6 _ _ _ _-  
3AA _ A _ _).  
Display the fourth part of this  
controller's IP address.  
[CLEd] Diagnostics Menu  
[C.LEd] Communications Indicator  
Light  
[`oFF] Off  
[Con1] Channel 1  
[Con2] Channel 2  
[Both] Both  
Select which channel the Commu-  
nications Activity indicator light  
will monitor.  
[`CAL]  
[FCty]  
[```1]  
[`CAL]  
[```2]  
[`CAL]  
Calibration Menu  
Calibration 1  
Calibration 2  
(input 2 appears if PM6 _ _ _ _-_ [R, T or L] _ _ A _ _)  
[`Mu] Calibration Menu (1 or 2)  
-1,999.000 to 9,999.000  
always  
[ Mv]  
Electrical Measurement  
Read the raw electrical value  
for this input in the units cor-  
responding to the Sensor Type  
(Setup Page, Analog Input Menu)  
setting.  
[ELio] Calibration Menu (1 or 2)  
[ELi.o]  
Electrical Input Offset  
-1,999.000 to 9,999.000  
-1,999.000 to 9,999.000  
-1,999.000 to 9,999.000  
0.0  
1.0  
0.0  
always  
always  
Change this value to calibrate the  
low end of the input range.  
[ELiS] Calibration Menu (1 or 2)  
[ELi.S]  
Electrical Input Slope  
Adjust this value to calibrate the  
slope of the input value.  
[ELoo] Calibration Menu (1 or 2)  
[ELo.o] Electrical Output Offset  
Change this value to calibrate the  
low end of the output range.  
the controller has  
process outputs:  
(PM6_ _F_- _ _ _  
_A_ _) or (PM6_  
_ _ _-_ _F_A_ _)  
Menu 2 calibrates output 3.  
[ELoS] Calibration Menu (1 or 2)  
[ELo.S] Electrical Output Slope  
Adjust this value to calibrate the  
slope of the output value.  
-1,999.000 to 9,999.000  
1.0  
the controller has  
process outputs:  
(PM6_ _F_- _ _ _  
_A_ _) or (PM6_  
_ _ _-_ _F_A_ _)  
Menu 2 calibrates output 3.  
Note: Some values will be rounded off to fit in the four-character display. Full values can be read with another interface.  
If there is only one instance of a menu, no submenus will appear.  
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9
Chapter 9: Features  
Saving and Restoring User Settings. . . . . . . . . . . . . . . . . . . . . . . . . .54  
Tuning the PID Parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .54  
Manual Tuning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55  
Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56  
Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56  
Filter Time Constant . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57  
Sensor Selection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57  
Sensor Backup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57  
Scale High and Scale Low . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57  
Range High and Range Low . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57  
Receiving a Remote Set Point . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57  
Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58  
No-arc Relay. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58  
Retransmitting a Process Value or Set Point . . . . . . . . . . . . . . . . . . . . 58  
Cool Output Curve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59  
Auto (closed loop) and Manual (open loop) Control . . . . . . . . . . . . . . 59  
On-Off Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60  
Proportional plus Integral (PI) Control . . . . . . . . . . . . . . . . . . . . . . . . . 61  
Dead Band . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61  
Variable Time Base . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62  
Alarms. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63  
Process and Deviation Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63  
Alarm Hysteresis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63  
Alarm Latching . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63  
Alarm Silencing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64  
Alarm Blocking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64  
Programming the EZ Key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .64  
Watlow EZ-ZONE® PM Integrated Controller  
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A new feature in EZ-ZONE® PM products will al-  
low set point changes while the control is autotun-  
ing, this includes while running a profile or ramping.  
When the auto tune is initially started it will use  
the current set point and will disregard all set point  
changes until the tuning process is complete. Once  
complete, the controller will then use the new set  
point.  
Saving and Restoring User Settings  
Recording setup and operations parameter settings  
for future reference is very important. If you uninten-  
tionally change these, you will need to program the  
correct settings back into the controller to return the  
equipment to operational condition.  
After you program the controller and verify  
proper operation, use User Save Set [USrS] (Fac-  
tory Page, Diagnostics Menu) to save the settings  
into either of two files in a special section of memory.  
If the settings in the controller are altered and you  
want to return the controller to the saved values, use  
User Restore Set [USrr] (Factory Page, Diagnostics  
Menu) to recall one of the saved settings.  
This is why it is a good idea to enter the active set  
point before initiating an autotune.  
Autotuning calculates the optimum heating and/  
or cooling PID parameter settings based on the sys-  
tem's response. Autotuning can be enabled whether  
or not TUNE-TUNE+™ is enabled. The PID settings  
generated by the autotune will be used until the au-  
totune feature is rerun, the PID values are manually  
adjusted or TRU-TUNE+® is enabled.  
A digital input or the Function Key can also be  
configured to restore parameters.  
To initiate an autotune, set Autotune Request  
[`AUt] (Operations Page, Loop Menu) to [`YES].  
You should not autotune while a profile is running. If  
the autotune cannot be completed in 60 minutes, the  
autotune will time-out and the original settings will  
take effect.  
The lower display will flash between [tUnE] and  
the set point while the autotuning is underway. The  
temperature must cross the Autotune Set Point five  
times to complete the autotuning process. Once com-  
plete, the controller controls at the normal set point,  
using the new parameters.  
Note: Only perform the above procedure when you are sure that  
all the correct settings are programmed into the controller. Sav-  
ing the settings overwrites any previously saved collection of  
settings. Be sure to document all the controller settings.  
Programming the Home Page  
Watlow’s patented user-defined menu system im-  
proves operational efficiency. The user-defined Home  
Page provides you with a shortcut to monitor or  
change the parameter values that you use most of-  
ten.  
You can create your own Home Page with as  
many as 20 of the active parameters. When a param-  
eter normally located in the Setup Page or Opera-  
tions Page is placed in the Home Page, it is acces-  
sible through both. If you change a parameter in the  
Home Page, it is automatically changed in its origi-  
nal page. If you change a parameter in its original  
page it is automatically changed in the Home Page.  
The default parameters will automatically appear  
in the Home Page.  
Change the list of parameters in the Home Page  
from the Custom Menu [CUSt] (Factory Page).  
Select a set point for the tune with Autotune Set  
Point. The Autotune Set Point is expressed as a per-  
cent of the Closed Loop Set Point.  
If you need to adjust the tuning procedure's ag-  
gressiveness, use Autotune Aggressiveness [TAgr]  
(Setup Page, Loop Menu). Select under damped [Un-  
dr] to bring the process value to the set point quick-  
ly. Select over damped [ouer] to bring the process  
value to the set point with minimal overshoot. Select  
critical damped [Crit] to balance a rapid response  
with minimal overshoot.  
Process Set Point  
Autotune begins  
Autotune complete  
Tuning the PID Parameters  
Autotuning  
When an autotune is performed on the EZ-ZONE®  
PM, the set point is used to calculate the tuning set  
point.  
Autotune Set Point  
(90 percent of Process Set Point)  
For example, if the active set point is 200° and  
Autotune Set Point [AtSP] (Operations Page, Loop  
Menu) is set to 90 percent, the autotune function  
utilizes 180° for tuning. This is also how autotun-  
ing works in previous Watlow Winona controllers. In  
addition, changing the active set point in previous  
controllers causes the autotune function to restart;  
where with the EZ-ZONE® PM changing the set  
point after an autotune has been started has no af-  
fect.  
Time  
Watlow EZ-ZONE® PM Integrated Controller  
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The preferred and quickest method for tuning a  
loop is to establish initial control settings and contin-  
ue with the adaptive mode to fine tune the settings.  
Setting a controller's control mode to tune starts  
this two-step tuning process. (See Autotuning in this  
chapter.) This predictive tune determines initial,  
rough settings for the PID parameters. Then the loop  
automatically switches to the adaptive mode which  
fine tunes the PID parameters.  
Once the process variable has been at set point for  
a suitable period (about 30 minutes for a fast process  
to roughly two hours for a slower process) and if no  
further tuning of the PID parameters is desired or  
needed, TRU-TUNE+™ may be turned off. However,  
keeping the controller in the adaptive mode allows it  
to automatically adjust to load changes and compen-  
sate for differing control characteristics at various  
set points for processes that are not entirely linear.  
Once the PID parameters have been set by the  
TRU-TUNE+™ adaptive algorithm, the process, if  
shut down for any reason, can be restarted in the  
adaptive control mode.  
Manual Tuning  
In some applications, the autotune process may not  
provide PID parameters for the process characteris-  
tics you desire. If that is the case, you may want to  
tune the controller manually.  
1. Apply power to the controller and establish a set  
point typically used in your process.  
2. Go to the Operations Page, Loop Menu, and set  
Heat Proportional Band [`hPb] and/or Cool Pro-  
portional Band [`CPb] to 5. Set Time Integral  
[``ti] to 0. Set Time Derivative [``td] to 0.  
3. When the system stabilizes, watch the process  
value. If it fluctuates, increase the Heat Propor-  
tional Band or Cool Proportional Band value in 3  
to 5° increments until it stabilizes, allowing time  
for the system to settle between adjustments.  
4. When the process has stabilized, watch Heat  
Power [`hPr] or Cool Power [`CPr] (Operations  
Page, Monitor Menu). It should be stable 2%. At  
this point, the process temperature should also  
be stable, but it will have stabilized before reach-  
ing the set point. The difference between the set  
point and actual process value can be eliminated  
with Integral.  
Turn TRU-TUNE+™ on or off with TRU-TUNE+™  
Enable [ttUn](Setup Page, Loop Menu).  
Use TRU-TUNE+™ Band [tbnd] (Setup Page,  
Loop Menu) to set the range above and below the  
set point in which adaptive tuning will be active.  
Adjust this parameter only in the unlikely event  
that the controller is unable to stabilize at the set  
point with TRU-TUNE+™ Band set to auto (0). This  
may occur with very fast processes. In that case, set  
TRU-TUNE+™ Band to a large value, such as 100.  
Use TRU-TUNE+™ Gain [`tgn] (Setup Page,  
Loop Menu) to adjust the responsiveness of the adap-  
tive tuning calculations. Six settings range from 1,  
with the most aggressive response and most poten-  
tial overshoot (highest gain), to 6, with the least ag-  
gressive response and least potential for overshoot  
(lowest gain). The default setting, 3, is recommended  
for loops with thermocouple feedback and moderate  
response and overshoot potential.  
5. Start with an Integral value of 6,000 and allow  
10 minutes for the process temperature to reach  
the set point. If it has not, reduce the setting by  
half and wait another 10 minutes. Continue re-  
ducing the setting by half every 10 minutes until  
the process value equals the set point. If the pro-  
cess becomes unstable, the Integral value is too  
small. Increase the value until the process stabi-  
lizes.  
6. Increase Derivative to 0.1. Then increase the set  
point by 11° to 17°C. Monitor the system’s ap-  
proach to the set point. If the process value over-  
shoots the set point, increase Derivative to 0.2.  
Increase the set point by 11° to 17°C and watch  
the approach to the new set point. If you increase  
Derivative too much, the approach to the set  
point will be very sluggish. Repeat as necessary  
until the system rises to the new set point with-  
out overshoot or sluggishness.  
Before Tuning  
Before autotuning, the controller hardware must be  
installed correctly, and these basic configuration pa-  
rameters must be set:  
For additional information about autotune and PID  
control, see related features in this chapter.  
Autotuning with TRU-TUNE+®  
Sensor Type [`SEn] (Setup Page, Analog Input  
Menu), and scaling, if required;  
The TRU-TUNE+® adaptive algorithm will optimize  
the controller's PID values to improve control of dy-  
namic processes. TRU-TUNE+® monitors the process  
variable and adjusts the control parameters auto-  
matically to keep your process at set point during set  
point and load changes. When the controller is in the  
adaptive control mode, it determines the appropriate  
output signal and, over time, adjusts control param-  
eters to optimize responsiveness and stability. The  
TRU-TUNE+® feature does not function for on-off  
control.  
Function [``Fn] (Setup Page, Output Menu) and  
scaling, if required.  
How to Autotune a Loop  
1. Enter the desired set point or one that is in the  
middle of the expected range of set points that  
you want to tune for.  
2. Enable TRU-TUNE+®.  
Watlow EZ-ZONE® PM Integrated Controller  
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3. Initiate an autotune. (See Autotuning in this  
chapter.)  
Follow these steps for a thermocouple or pro-  
cess input:  
1. Apply the low source signal to the input you are  
calibrating. Measure the signal to ensure it is ac-  
curate.  
When autotuning is complete, the PID parameters  
should provide good control. As long as the loop is in  
the adaptive control mode, TRU-TUNE+® continu-  
ously tunes to provide the best possible PID control  
for the process.  
2. Read the value of Electrical Measurement [`Mu]  
(Factory Page, Calibration Menu) for that input.  
3. Calculate the offset value by subtracting this val-  
ue from the low source signal.  
4. Set Electrical Input Offset [ELio] (Factory Page,  
Calibration Menu) for this input to the offset val-  
ue.  
5. Check the Electrical Measurement to see whether  
it now matches the signal. If it doesn’t match, ad-  
just Electrical Offset again.  
ç
WARNING! During autotuning, the controller sets the output  
to 100 percent and attempts to drive the process variable  
toward the set point. Enter a set point and heat and cool  
power limits that are within the safe operating limits of your  
system.  
6. Apply the high source signal to the input. Mea-  
sure the signal to ensure it is accurate.  
7. Read the value of Electrical Measurement for  
that input.  
Inputs  
Calibration Offset  
8. Calculate the gain value by dividing the low  
source signal by this value.  
9. Set Electrical Slope [ELiS] (Factory Page, Cali-  
bration Menu) for this input to the calculated  
gain value.  
10. Check the Electrical Measurement to see wheth-  
er it now matches the signal. If it doesn’t match,  
adjust Electrical Slope again.  
Set Electrical Offset to 0 and Electrical Slope to 1 to  
restore factory calibration.  
Calibration offset allows a device to compensate for  
an inaccurate sensor, lead resistance or other factors  
that affect the input value. A positive offset increases  
the input value, and a negative offset decreases the  
input value.  
The input offset value can be viewed or changed  
with Calibration Offset [`iCA] (Operations Page,  
Analog Input Menu).  
Follow these steps for an RTD input:  
Negative Calibration Offset will  
compensate for the difference  
between the Sensor Reading and  
1. Measure the low source resistance to ensure it  
is accurate. Connect the low source resistance to  
the input you are calibrating.  
Temperature Reading  
from Sensor  
the Actual Temperature  
2. Read the value of Electrical Measurement [`Mu]  
(Factory Page, Calibration Menu) for that input.  
3. Calculate the offset value by subtracting this val-  
ue from the low source resistance.  
4. Set Electrical Input Offset [ELio] (Factory Page,  
Calibration Menu) for this input to the offset val-  
ue.  
Actual Process Temperature  
Time  
5. Check the Electrical Measurement to see whether  
it now matches the resistance. If it doesn’t match,  
adjust Electrical Offset again.  
6. Measure the high source resistance to ensure it  
is accurate. Connect the high source resistance to  
the input.  
7. Read the value of Electrical Measurement for  
that input.  
8. Calculate the gain value by dividing the low  
source signal by this value.  
9. Set Electrical Slope [ELiS] (Factory Page, Cali-  
bration Menu) for this input to the calculated  
gain value.  
10. Check the Electrical Measurement to see wheth-  
er it now matches the signal. If it doesn’t match,  
adjust Electrical Slope again.  
Calibration  
To calibrate an analog input, you will need to provide  
two electrical signals or resistance loads near the ex-  
tremes of the range that the application is likely to  
utilize. See recommended values below:  
Sensor Type  
thermocouple  
millivolts  
Low Source  
0.000 mV  
High Source  
50.000 mV  
0.000 mV  
0.000V  
50.000 mV  
10.000V  
volts  
milliamps  
100 Ω RTD  
1,000 Ω RTD  
0.000 mA  
50.00 Ω  
20.000 mA  
350.00 Ω  
500.00 Ω  
3,500.00 Ω  
Watlow EZ-ZONE® PM Integrated Controller  
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Set Electrical Offset to 0 and Electrical Slope to 1 to  
restore factory calibration.  
open-loop set point.  
High Limit of selected functional range  
Range High Range (between High Limit of Sensor and Range Low)  
Filter Time Constant  
Set Point High  
Set Point Range (must be between Range High and Range Low)  
Set Point Low  
Filtering smoothes an input signal by applying a  
first-order filter time constant to the signal. Filter-  
ing the displayed value makes it easier to monitor.  
Filtering the signal may improve the performance of  
PID control in a noisy or very dynamic system.  
Range Low Range (between Low Limit of Sensor and Range High)  
Low Limit of selected functional range  
Adjust the filter time interval with Filter Time  
[`FiL] (Setup Page, Analog Input Menu).  
Scale High and Scale Low  
Example: With a filter value of 0.5 seconds, if the  
process input value instantly changes from 0 to 100  
and remained at 100, the display will indicate 100 after  
five time constants of the filter value or 2.5 seconds.  
When an analog input is selected as process voltage  
or process current input, you must choose the value  
of voltage or current to be the low and high ends. For  
example, when using a 4 to 20 mA input, the scale  
low value would be 4.00 mA and the scale high value  
would be 20.00 mA. Commonly used scale ranges are:  
0 to 20 mA, 4 to 20 mA, 0 to 5V, 1 to 5V and 0 to 10V.  
Unfiltered Input Signal  
You can create a scale range representing other  
units for special applications. You can reverse scales  
from high values to low values for analog input sig-  
nals that have a reversed action. For example, if 50  
psi causes a 4 mA signal and 10 psi causes a 20 mA  
signal.  
Time  
Scale low and high low values do not have to match  
the bounds of the measurement range. These along  
with range low and high provide for process scaling  
and can include values not measureable by the control-  
ler. Regardless of scaling values, the measured value  
will be constrained by the electrical measurements of  
the hardware.  
Filtered Input Signal  
Time  
Select the low and high values with Scale Low  
[`SLo] and Scale High [`Shi]. Select the displayed  
range with Range Low [`rLo] and Range High  
[`rhi] (Setup Page, Analog Input Menu).  
Sensor Selection  
You need to configure the controller to match the in-  
put device, which is normally a thermocouple, RTD or  
process transmitter.  
Range High and Range Low  
Select the sensor type with Sensor Type [`Sen]  
(Setup Page, Analog Input Menu).  
With a process input, you must choose a value to rep-  
resent the low and high ends of the current or voltage  
range. Choosing these values allows the controller’s  
display to be scaled into the actual working units of  
measurement. For example, the analog input from a  
humidity transmitter could represent 0 to 100 per-  
cent relative humidity as a process signal of 4 to 20  
mA. Low scale would be set to 0 to represent 4 mA  
and high scale set to 100 to represent 20 mA. The in-  
dication on the display would then represent percent  
humidity and range from 0 to 100 percent with an  
input of 4 to 20 mA.  
Sensor Backup  
Sensor backup maintains closed-loop control after an  
input failure by switching control to input 2.  
The sensor backup feature is only available in an  
EZ-ZONE® PM Integrated limit or remote set point  
controller.  
Turn sensor backup on or off with Sensor Backup  
Enable [`SbA] (Setup Page, Analog Input 1).  
Set Point Low Limit and High Limit  
The controller constrains the set point to a value be-  
tween a set point low limit and a set point high limit.  
Select the low and high values with Range Low  
[`rLo] and Range High [`rhi] (Setup Page, Analog  
Input Menu).  
Set the set point limits with Low Set Point  
[`LSP] and High Set Point [`hSP] (Setup Page,  
Loop Menu).  
There are two sets of set point low and high lim-  
its: one for a closed-loop set point, another for an  
Receiving a Remote Set Point  
The remote set point feature allows the controller  
to use a thermocouple, RTD, 1 k potentiometer or  
process signal at input 2 to establish the set point,  
Watlow EZ-ZONE® PM Integrated Controller  
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which allows its set point to be manipulated by an  
fact that when contacts open while current is flowing  
external source. A common application would use one metal degradation occurs. This action produces un-  
ramping controller with a set-point retransmit out-  
put to ramp multiple controllers using the remote set  
avoidable electrical arcing causing metal to transfer  
from one contact to the other. The arcing conditions  
point. Or you could use an analog output from a PLC continue on each subsequent contact opening until  
to send set point values to an EZ-ZONE® PM.  
The controller must have two process inputs to  
use the remote set point feature.  
You may select between local and remote set  
points at the front panel, with an event input, from a  
remote computer using the communications feature  
or from an external switch using an event input.  
Make sure all input and output impedances are  
compatible.  
Switch to the remote set point with Remote En-  
able [`rEn] (Operations Page, Loop Menu). Select  
whether the remote set point controls an open- or  
closed-loop set point with Remote Set Point Type  
[`rty].  
over time the resistance through the contacts in-  
creases causing the contacts to increase in tempera-  
ture. Eventually, the contacts will weld together and  
the relay remains in the on state.  
The Watlow no-arc relay is a hybrid relay. It uses  
a mechanical relay for the current load and a triac  
(solid-state switch) to carry the turn-on and turn-off  
currents. No-arc relays extend the life of the relay  
more than two million cycles at the rated full-load  
current.  
Although a no-arc relay has significant life advan-  
tages, a few precautions must be followed for accept-  
able usage:  
Do not use:  
• hybrid relays for limit contactors. A limit or  
safety device must provide a positive mechanical  
break on all hot legs simultaneously;  
Assign the function of switching to a remote set  
point to a digital input with Digital Input Function  
[``Fn] (Setup Page, Digital Input Menu).  
• dc loads with hybrid relays. The triacs used for  
arc suppression will turn off only with ac line  
voltage;  
Assign the function of switching to a remote set  
point to the EZ Key with Digital Input Function  
[``Fn] (Setup Page, Function Key Menu).  
• hybrid switches to drive any inductive loads, such  
as relay coils, transformers or solenoids;  
• cycle times less than five seconds on hybrid  
switches;  
• on loads that exceed 264V ac through relay;  
• on loads that exceed 15 amperes load;  
• on loads less than 100 mA;  
Outputs  
Duplex  
Certain systems require that a single process output  
control both heating and cooling outputs. An EZ-  
ZONE® PM controller with a process output can func-  
tion as two separate outputs.  
• no-arc relays in series with other no-arc relays.  
With a 4 to 20mA output the heating output will  
operate from 12 to 20mA (0 to +100 percent) and the  
cooling output will operate from 12 to 4mA (0 to -100  
percent).  
In some cases this type of output is required by  
the device that the EZ-ZONE® PM controls, such as  
a three-way valve that opens one way with a 12 to  
20mA signal and opens the other way with a 4 to  
12mA signal. This feature reduces the overall system  
cost by using a single output to act as two outputs.  
Outputs 1 and 3 can be ordered as process out-  
puts. Select duplex [dUPL] as the Output Function  
[``Fn] (Setup Page, Output Menu). Set the output to  
volts [uoLt] or milliamps [`MA] with Output Type  
[`oty]. Set the range of the process output with  
Scale Low [`SLo] and Scale High [`Shi].  
Retransmitting a Process Value or Set Point  
The retransmit feature allows a process output to  
provide an analog signal that represents the set  
point or process value. The signal may serve as a  
remote set point for another controller or as an in-  
put for a chart recorder documenting system perfor-  
mance over time.  
In choosing the type of retransmit signal the op-  
erator must take into account the input impedance  
of the device to be retransmitted to and the required  
signal type, either voltage or milliamps.  
Typically applications might use the retransmit  
option to record one of the variables with a chart re-  
corder or to generate a set point for other controls in  
a multi-zone application.  
Outputs 1 and 3 can be ordered as process out-  
puts. Select retransmit [rMt] as the Output Func-  
tion [``Fn] (Setup Page, Output Menu). Set the out-  
put to volts [uoLt] or milliamps [`MA] with Output  
Type [`oty]. Select the signal to retransmit with  
Retransmit Source [`rSr].  
No-arc Relay  
A no-arc relay provides a significant improvement in  
the life of the output relay over conventional relays.  
Conventional mechanical relays have an expected  
life of 100,000 cycles at the rated full-load current.  
The shorter life for conventional relays is due to the  
Watlow EZ-ZONE® PM Integrated Controller  
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figured in any combination. For instance, all three  
could be set to cool.  
Range High  
Heat and cool outputs use the set point and Oper-  
ations parameters to determine the output value. All  
heat and cool outputs use the same set point value.  
Heat and cool each have their own set of control pa-  
rameters. All heat outputs use the same set of heat  
control parameters and all cool outputs use the same  
set of cool output parameters.  
Range Low  
Scale Low  
Scale High  
Retransmit Source  
Each alarm output has its own set of configura-  
tion parameters and set points, allowing independent  
operation.  
Set the range of the process output with Scale  
Low [`SLo] and Scale High [`Shi]. Scale the re-  
transmit source to the process output with Range  
Low [`rLo] and Range High [`rhi].  
Auto (closed loop) and Manual (open loop) Control  
When the retransmit source is at the Range Low  
value, the retransmit output will be at its Scale Low  
value. When the retransmit source is at the Range  
High value, the retransmit output will be at its Scale  
High value.  
The controller has two basic modes of operation, auto  
mode and manual mode. Auto mode allows the con-  
troller to decide whether to perform closed-loop con-  
trol or to follow the settings of Input Error Failure  
[FAiL] (Setup Page, Loop Menu). The manual mode  
only allows open-loop control. The EZ-ZONE® PM  
controller is normally used in the auto mode. The  
manual mode is usually only used for specialty appli-  
cations or for troubleshooting.  
Manual mode is open-loop control that allows the  
user to directly set the power level to the controller’s  
output load. No adjustments of the output power level  
occur based on temperature or set point in this mode.  
In auto mode, the controller monitors the input to  
determine if closed-loop control is possible. The con-  
troller checks to make certain a functioning sensor is  
providing a valid input signal. If a valid input signal  
is present, the controller will perform closed-loop con-  
trol. Closed-loop control uses a process sensor to de-  
termine the difference between the process value and  
the set point. Then the controller applies power to a  
control output load to reduce that difference.  
Cool Output Curve  
A nonlinear output curve may improve performance  
when the response of the output device is nonlinear.  
If a cool output uses one of the nonlinear curves a  
PID calculation yields a lower actual output level  
than a linear output would provide.  
These output curves are used in plastics extruder  
applications: curve 1 for oil-cooled extruders and  
curve 2 for water-cooled extruders.  
100  
80  
60  
If a valid input signal is not present, the control-  
ler will indicate an input error message in the upper  
display and [Attn] in the lower display and respond  
to the failure according to the setting of Input Error  
Failure [FAiL]. You can configure the controller to  
perform a “bumpless” transfer [bPLS], switch power  
to output a preset fixed level [MAn], or turn the out-  
put power off.  
Linear  
Curve 1  
40  
Curve 2  
20  
0
Bumpless transfer will allow the controller to  
transfer to the manual mode using the last power  
value calculated in the auto mode if the process had  
stabilized at a 5 percent output power level for the  
time interval of Time Integral (Operations Page,  
Loop) prior to sensor failure, and that power level is  
less than 75 percent.  
PID Calculation  
Select a nonlinear cool output curve with Cool  
Output Curve [`CCr] (Setup Menu, Loop Menu).  
Control Methods  
Output Configuration  
Each controller output can be configured as a heat  
output, a cool output, an alarm output or deactivat-  
ed. No dependency limitations have been placed on  
the available combinations. The outputs can be con-  
Watlow EZ-ZONE® PM Integrated Controller  
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and off more frequently, and may result in the output  
“chattering.”  
On-off control can be selected with Heat Algo-  
rithm [`hAg] or Cool Algorithm [`CAg] (Setup Page,  
Loop Menu).  
Actual Temperature  
Set Point  
Sensor  
Break  
On-off hysteresis can be set with Heat Hysteresis  
[`hhY] or Cool Hysteresis [`ChY] (Operations Page,  
Loop Menu).  
100%  
Output Power  
40%  
0%  
Locks in  
Output  
Power  
2 minutes  
Note: Input Error Failure Mode [faIl] does not function in on-  
off control mode. The output goes off.  
Time  
Input Error Latching [`iEr] (Setup Page, Ana-  
log Input Menu) determines the controller’s response  
once a valid input signal returns to the controller.  
If latching is on, then the controller will continue to  
indicate an input error until the error is cleared. To  
clear a latched alarm, press the Advance Key then  
the Up Key ¿.  
The heating action switches off when the process  
temperature rises above the set point.  
Set Point  
Hysteresis  
Process Temperature  
If latching is off, the controller will automatically  
clear the input error and return to reading the tem-  
perature. If the controller was in the auto mode when  
the input error occurred, it will resume closed-loop  
control. If the controller was in manual mode when  
the error occurred, the controller will remain in  
open-loop control.  
The heating action switches on when the process temperature  
drops below the set point minus the hysteresis.  
The heating action  
switches on at startup.  
Time  
The cooling action switches on when  
the process temperature rises above  
the set point plus the hysteresis.  
The cooling action  
switches  
on at startup.  
The Manual Control Indicator Light % is on when  
the controller is operating in manual mode.  
You can easily switch between modes if the Con-  
trol Mode [`CM] parameter is selected to appear in  
the Home Page.  
Hysteresis  
Process Temperature  
Set Point  
To transfer to manual mode from auto mode,  
press the Advance Key until [`CM] appears in  
the lower display. The upper display will display  
[AUto] for auto mode. Use the Up ¿ or Down ¯ keys  
to select [Man]. The manual set point value will be  
recalled from the last manual operation.  
The cooling action switches off when the process  
temperature drops below the set point.  
Time  
To transfer to auto mode from manual mode,  
press the Advance Key until [`CM] appears in  
the lower display. The upper display will display  
[MAn] for manual mode. Use the Up ¿ or Down ¯  
keys to select [AUto]. The automatic set point value  
will be recalled from the last automatic operation.  
Changes take effect after three seconds or imme-  
diately upon pressing either the Advance Key or  
the Infinity Key ˆ.  
Proportional Control  
Some processes need to maintain a temperature or  
process value closer to the set point than on-off con-  
trol can provide. Proportional control provides closer  
control by adjusting the output when the temperature  
or process value is within a proportional band. When  
the value is in the band, the controller adjusts the  
output based on how close the process value is to the  
set point.  
The closer the process value is to the set point, the  
lower the output power. This is similar to backing  
off on the gas pedal of a car as you approach a stop  
sign. It keeps the temperature or process value from  
swinging as widely as it would with simple on-off  
control. However, when the system settles down, the  
temperature or process value tends to “droop” short  
of the set point.  
On-Off Control  
On-off control switches the output either full on or  
full off, depending on the input, set point and hys-  
teresis values. The hysteresis value indicates the  
amount the process value must deviate from the set  
point to turn on the output. Increasing the value de-  
creases the number of times the output will cycle.  
Decreasing hysteresis improves controllability. With  
hysteresis set to 0, the process value would stay clos-  
er to the set point, but the output would switch on  
With proportional control the output power level  
equals (set point minus process value) divided by the  
proportional band value.  
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In an application with one output assigned to  
heating and another assigned to cooling, each will  
have a separate proportional parameter. The heating  
parameter takes effect when the process temperature  
is lower than the set point, and the cooling param-  
eter takes effect when the process temperature is  
higher than the set point.  
Reduced Overshoot  
Set Point  
Proportional Band  
Proportional Band x 2  
Heating Slows  
Adjust the proportional band with Heat Pro-  
portional Band [`hPb] or Cool Proportional Band  
[`CPb] (Operations Page, Loop Menu).  
Overshoot  
Set Point  
Time  
Droop  
Proportional Band  
Dead Band  
In a PID application the dead bands above and below  
the set point can save an application’s energy and  
wear by maintaining process temperature within ac-  
ceptable ranges.  
Time  
Proportional action ceases when the process value  
is within the dead band. Integral action continues to  
bring the process temperature to the set point.  
Proportional plus Integral (PI) Control  
The droop caused by proportional control can be cor-  
rected by adding integral (reset) control. When the  
system settles down, the integral value is tuned to  
bring the temperature or process value closer to the  
set point. Integral determines the speed of the cor-  
rection, but this may increase the overshoot at start-  
up or when the set point is changed. Too much inte-  
gral action will make the system unstable. Integral  
is cleared when the process value is outside of the  
proportional band.  
Using a positive dead band value keeps the two  
systems from fighting each other.  
Cool Output Active  
Set Point  
Heat Output Active  
Adjust the integral with Time Integral [``ti]  
(Operations Page, Loop Menu).  
Positive Dead Band  
Proportional plus Integral plus Derivative (PID)  
Control  
Use derivative (rate) control to minimize the over-  
shoot in a PI-controlled system. Derivative (rate) ad-  
justs the output based on the rate of change in the  
temperature or process value. Too much derivative  
(rate) will make the system sluggish.  
Time  
When the dead band value is zero, the heat-  
ing output activates when the temperature drops be-  
low the set point, and the cooling output switches on  
when the temperature exceeds the set point.  
Derivative action is active only when the process  
value is within twice the proportional value from the  
set point.  
Cool Output Active  
Set Point  
Adjust the derivative with Time Derivative  
Heat Output Active  
[``td] (Operations Page, Loop Menu).  
Zero Dead Band  
Time  
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When the dead band value is a negative val-  
ue, both heating and cooling outputs are active when  
the temperature is near the set point.  
50 percent output  
3 ON, 3 OFF  
Cool Output Active  
Set Point  
Heat Output Active  
66 percent output  
6 ON, 3 OFF  
Negative Dead Band  
Time  
Adjust the dead band with Dead Band [``db]  
(Operations Page, Loop Menu).  
Note:  
When output 1 is a universal process output, output 2 cannot  
use variable time base, fixed time base only.  
Variable Time Base  
Variable time base is the preferred method for con-  
trolling a resistive load, providing a very short time  
base for longer heater life. Unlike phase-angle firing,  
variable-time-base switching does not limit the cur-  
rent and voltage applied to the heater.  
When output 3 is configured as a universal process, output 4  
cannot use variable time base, fixed time base only.  
Single Set Point Ramping  
Ramping protects materials and systems that can-  
not tolerate rapid temperature changes. The value of  
the ramp rate is the maximum degrees per minute or  
hour that the system temperature can change.  
Select Ramp Action [``rP] (Setup Page, Loop  
Menu):  
With variable time base outputs, the PID algo-  
rithm calculates an output between 0 and 100%, but  
the output is distributed in groupings of three ac  
line cycles. For each group of three ac line cycles, the  
controller decides whether the power should be on or  
off. There is no fixed cycle time since the decision is  
made for each group of cycles. When used in conjunc-  
tion with a zero cross (burst fire) device, such as a  
solid-state power controller, switching is done only at  
the zero cross of the ac line, which helps reduce elec-  
trical noise (RFI).  
Variable time base should be used with solid-state  
power controllers, such as a solid-state relay (SSR)  
or silicon controlled rectifier (SCR) power controller.  
Do not use a variable time base output for control-  
ling electromechanical relays, mercury displacement  
relays, inductive loads or heaters with unusual resis-  
tance characteristics.  
[`oFF] ramping not active.  
[`Str] ramp at startup.  
[StPt] ramp at a set point change.  
[both] ramp at startup or when the set point  
changes.  
Select whether the rate is in degrees per minute  
or degrees per hour with Ramp Scale [`rSC]. Set  
the ramping rate with Ramp Rate [`rrt] (Setup  
Page, Loop Menu).  
The combination of variable time base output and  
a solid-state relay can inexpensively approach the ef-  
fect of analog, phase-angle fired control.  
Set Point  
Select the AC Line Frequency [ACLF](Setup Page,  
Global Menu), 50 or 60 Hz.  
Temperature reaches Set Point quickly  
Time  
100 percent output  
10 ON, 0 OFF  
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value to the alarm low set point or subtracting the  
hysteresis value from the alarm high set point.  
View or change alarm hysteresis with Hysteresis  
[`Ahy] (Setup Page, Alarm Menu).  
Set Point  
degrees  
per minute  
High Side Alarm Range  
Alarm High Set Point  
Temperature ramps to Set Point at a set rate  
Time  
Alarm Hysteresis  
Normal Operating Range  
Alarm Hysteresis  
Alarms  
Alarms are activated when the output level, process  
value or temperature leaves a defined range. A user  
can configure how and when an alarm is triggered,  
what action it takes and whether it turns off auto-  
matically when the alarm condition is over.  
Alarm Low Set Point  
Low Side Alarm Range  
Time  
Configure alarm outputs in the Setup Page before  
setting alarm set points.  
Alarms do not have to be assigned to an output.  
Alarms can be monitored and controlled through the  
front panel or by using software.  
Alarm Latching  
A latched alarm will remain active after the alarm  
condition has passed. It can only be deactivated by  
the user.  
An active message, such as an alarm message,  
will cause the display to toggle between the normal  
settings and the active message in the upper display  
and [Attn] in the lower display.  
Push the Advance Key to display [ignr] in the  
upper display and the message source in the lower  
display.  
Process and Deviation Alarms  
A process alarm uses one or two absolute set points  
to define an alarm condition.  
A deviation alarm uses one or two set points that  
are defined relative to the control set point. High  
and low alarm set points are calculated by adding or  
subtracting offset values from the control set point.  
If the set point changes, the window defined by the  
alarm set points automatically moves with it.  
Use the Up ¿ and Down ¯ keys to scroll through  
possible responses, such as Clear [`CLr] or Silence  
[`SiL]. Then push the Advance or Infinity ˆ key  
to execute the action.  
Select the alarm type with Type [`Aty] (Setup  
Page, Alarm Menu).  
See the Keys and Displays chapter and the Home  
Page chapter for more details.  
Alarm Set Points  
An alarm that is not latched (self-clearing) will  
deactivate automatically when the alarm condition  
has passed.  
Turn alarm latching on or off with Latching  
[`ALA] (Setup Page, Alarm Menu).  
The alarm high set point defines the process value  
or temperature that will trigger a high side alarm.  
It must be higher than the alarm low set point and  
lower than the high limit of the sensor range.  
The alarm low set point defines the temperature  
that will trigger a low side alarm. It must be lower  
than the alarm high set point and higher than the  
low limit of the sensor range.  
The alarm state begins when the temperature  
reaches the Alarm High Set Point  
Alarm High  
Set Point  
View or change alarm set points with Low Set  
Point [`ALo] and High Set Point [`Ahi] (Operations  
Page, Alarm Menu).  
Alarm Hysteresis  
Normal Operating Range  
Alarm Hysteresis  
The alarm state continues until the  
temperature drops to the Alarm High  
Set Point minus the hysteresis. A  
An alarm state is triggered when the process value  
reaches the alarm high or alarm low set point. Alarm  
hysteresis defines how far the process must return  
into the normal operating range before the alarm can  
be cleared.  
Process  
Temperature  
latching alarm could be turned off by  
the operator at this point. A non-  
latching alarm would turn off  
automatically.  
Alarm Low  
Set Point  
Alarm hysteresis is a zone inside each alarm set  
point. This zone is defined by adding the hysteresis  
Time  
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Alarm Silencing  
Programming the EZ Key  
If alarm silencing is on the operator can disable the  
alarm output while the controller is in an alarm  
state. The process value or temperature has to enter  
the normal operating range beyond the hysteresis  
zone to activate the alarm output function again.  
You can program the EZ Key either in the Setup  
Menu or with configuration software, such as EZ-  
ZONE® Configurator, using a personal computer.  
The following examples show how to program the  
EZ Key to start and stop a profile.  
An active message, such as an alarm message,  
will cause the display to toggle between the normal  
settings and the active message in the upper display  
and [Attn] in the lower display.  
Push the Advance Key to display [ignr] in the  
upper display and the message source in the lower  
display.  
Using keys and display:  
1. To go to the Setup Page from the Home Page,  
press both the Up ¿and Down ¯keys for six sec-  
onds. [``Ai]will appear in the upper display and  
[`Set]will appear in the lower display.  
2. Press the Up Key ¿ until [`Fun]appears in the  
upper display and [`SEt]will appear in the lower  
display.  
3. Press the Advance Key until Digital Input Level  
[`leu]appears in the lower display. Use an ar-  
row key to specify the state of the key (high or low)  
when the controller is powered up. Functions will  
toggle with each press of the EZ Key, such as Pro-  
file Start/Stop.  
Use the Up ¿ and Down ¯ keys to scroll through  
possible responses, such as Clear [`CLr] or Silence  
[`SiL]. Then push the Advance or Infinity ˆ key  
to execute the action.  
See the Keys and Displays chapter and the Home  
Page chapter for more details.  
Turn alarm silencing on or off with Silencing  
[`ASi] (Setup Page, Alarm Menu).  
4. Press the Advance Key . The lower display will  
show Digital Function [``Fn]. Press the Up ¿or  
Down ¯key to scroll through the functions that  
can be assigned to the EZ Key  
Alarm Blocking  
Alarm blocking allows a system to warm up after  
it has been started up. With alarm blocking on, an  
alarm is not triggered when the process tempera-  
ture is initially lower than the alarm low set point  
or higher than the alarm high set point. The process  
temperature has to enter the normal operating range  
beyond the hysteresis zone to activate the alarm  
function.  
When Profile Start/Stop [PStS] appears in the  
upper display and [``Fn] appears in the lower  
display, press the Advance Key once to select  
that function and move to the Function Instance  
[``Fi] parameter.  
5. Press the Up ¿or Down ¯key to scroll to the  
If the EZ-ZONE® PM has an output that is func-  
tioning as a deviation alarm, the alarm is blocked  
when the set point is changed, until the process value  
re-enters the normal operating range.  
Turn alarm blocking on or off with Blocking  
[`AbL] (Setup Page, Alarm Menu).  
profile that you want the EZ Key to control.  
6. The instance tells the controller which of the  
numbered functions should be acted upon. For  
profiles, there are 4 instances. Press the Infinity  
Key ˆ once to return to the submenu, twice to  
return to the main menu or three times to return  
to the Home Page.  
Current Sensing  
Using the software with Standard Bus:  
Open heater circuit detection  
1. Make the necessary physical connections between  
the personal computer and the EZ-ZONE® PM.  
Set Protocol (Setup Page, Communications Menu)  
to Standard Bus. Run the software and allow it  
to connect to the controller by directing it or al-  
lowing it to find the appropriate communications  
port.  
2. After the software connects to the controller, look  
on the left side of your screen under the Param-  
eters Menus for Function Key under Setup. Click  
on the plus sign to reveal the Function Key 1  
submenu.  
3. Click on Function Key 1, then select a Digital In-  
put Function and a Function Instance.  
If you want to start and stop a profile with the EZ  
Key, select Profile Start/Stop and the number of the  
profile that you want the EZ Key to control.  
Current Error [`CEr] (Operations Page, Current  
Menu) detects an open load circuit if no current is  
flowing through the current transformer when the  
output is active and the load is supposed to be on.  
Shorted heater circuit detection  
Current Error detects a shorted load circuit if cur-  
rent is flowing through the current transformer  
when the output is inactive and the load is supposed  
to be off.  
Set the current detect set points with High Set  
Point [`Chi] and Low Set Point [`CLo] (Operations  
Page, Current Menu).  
View the current level and most recent faults with  
Read, Current Error [`CEr] (Operations Page, Cur-  
rent Menu) and Heater Error [`hEr] (Operations  
Page, Current Menu).  
Watlow EZ-ZONE® PM Integrated Controller  
64  
Chapter 9 Features  
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The following examples show how the Lockout  
Menu parameters may be used in applications:  
1. You can lock out access to the Operations Page  
but allow an operator access to the Profile Menu,  
by changing the default Profile Page and Opera-  
tions Page security levels. Change Lock Opera-  
tions Page [LoCo] to 3 and Lock Profiling Page  
[LoCP] to 2. If Set Lockout Security [SLoC] is  
set to 2 or higher and the Read Lockout Security  
[rLoC] is set to 2, the Profiling Page and Home  
Pages can be accessed, and all writable parame-  
ters can be written to. Pages with security levels  
greater than 2 will be locked out (unaccessible).  
Using Lockout to Secure Settings  
If unintentional changes to parameter settings might  
raise safety concerns or lead to downtime, your can  
use the lockout feature to make them more secure.  
Each of the menus in the Factory Page and each  
of the pages, except the Factory Page, has a security  
level assigned to it. You can change the read and  
write access to these menus and pages by using the  
parameters in the Lockout Menu (Factory Page).  
2
If Set Lockout Security [SLoC] is set to 0 and  
Read Lockout Security [rLoC] is set to 5, all  
pages will be accessible, however, changes will  
not be allowed on any pages or menus, with one  
exception: Set Lockout Security [SLoC] can be  
changed to a higher level.  
3. The operator wants to read all the menus and not  
allow any parameters to be changed.  
In the Factory Page, Lockout Menu, set Read  
Lockout Security [rLoC] to 5 and Set Lockout  
Security [SLoC] to 0.  
Lockout Menu  
There are four parameters in the Lockout Menu (Fac-  
tory Page):  
4. The operator wants to read and write to the  
Home Page and Profiling Page, and lock all other  
pages and menus.  
Lock Operations Page [LoCo] sets the security level  
for the Operations Page. (default: 2)  
Lock Profiling Page [LoCP] sets the security level  
In the Factory Page, Lockout Menu, set Read  
Lockout Security [rLoC] to 2 and Set Lockout  
Security [SLoC] to 2.  
In the Factory Page, Lockout Menu, set Lock  
Operations Page [LoCO] to 3 and Lock Profiling  
Page [LoCP] to 2.  
for the Profiling Page. (default: 3)  
Read Lockout Security [rLoC] determines which  
pages can be accessed. The user can access the  
selected level and all lower levels. (default: 5)  
Set Lockout Security [SLoC] determines which pa-  
rameters within accessible pages can be written  
to. The user can write to the selected level and  
all lower levels. (default: 5)  
5. The operator wants to read the Operations  
Page, Setup Page, Profiling Page, Diagnostics  
Menu, Lock Menu, Calibration Menu and Cus-  
tom Menus. The operator also wants to read and  
write to the Home Page.  
Security Levels  
1
2
3
4
0
5
In the Factory Page, Lockout Menu, set Read  
Lockout Security [rLoC] to 1 and Set Lockout  
Security [SLoC] to 5.  
In the Factory Page, Lockout Menu, set Lock  
Operations Page [LoCO] to 2 and Lock Profiling  
Page [LoCP] to 3.  
Home Page: 1  
Operations Page: 1  
default  
2
or 3  
Setup Page: 4  
Profiling Page: 1  
Note: Avoid continuous writes within loops. Excessive writes to  
EEPROM will cause premature EEPROM failure. The EEPROM is  
rated for 1,000,000 writes.  
2
default  
or 3  
Factory Page Menus  
Custom Menu: 5  
Lockout Menu: 0  
Diagnostic Menu: 0  
Calibration Menu: 5  
Bars indicate page and menu access by security level.  
Watlow EZ-ZONE® PM Integrated Controller  
65  
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Chapter 10: Appendix  
Troubleshooting Alarms, Errors and Control Issues  
Indication  
Description  
Possible Cause(s)  
Corrective Action  
Alarm won’t clear or Alarm will not clear or reset • Alarm latching is active  
• Reset alarm when process is within  
range or disable latching  
reset  
with keypad or digital input  
• Alarm set to incorrect output  
• Alarm is set to incorrect source  
• Set output to correct alarm source  
instance  
• Set alarm source to correct input in-  
stance  
• Sensor input is out of alarm set point • Correct cause of sensor input out of  
range  
alarm range  
• Alarm set point is incorrect  
• Set alarm set point to correct trip  
point  
• Alarm is set to incorrect type  
• Set alarm to correct type: process, de-  
viation or power  
• Digital input function is incorrect  
• Set digital input function and source  
instance  
Alarm won’t occur  
Alarm will not activate output • Alarm silencing is active  
• Alarm blocking is active  
• Disable alarm silencing, if required  
• Disable alarm blocking, if required  
• Alarm is set to incorrect output  
• Set output to correct alarm source  
instance  
• Alarm is set to incorrect source  
• Alarm set point is incorrect  
• Alarm is set to incorrect type  
• Set alarm source to correct input in-  
stance  
• Set alarm set point to correct trip  
point  
• Set alarm to correct type: process, de-  
viation or power  
[ALE1]Alarm Error Alarm state cannot be deter- • Sensor improperly wired or open  
• Correct wiring or replace sensor  
• Match setting to sensor used  
• Check calibration of controller  
mined due to lack of sensor  
input  
[ALE2]  
[ALE3]  
[ALE4]  
• Incorrect setting of sensor type  
• Calibration corrupt  
[ALL1]Alarm Low  
[ALL2]  
Sensor input below low alarm • Temperature is less than alarm set  
set point point  
• Check cause of under temperature  
• Alarm is set to latching and an alarm • Clear latched alarm  
occurred in the past  
[ALL3]  
[ALL4]  
• Incorrect alarm set point  
• Incorrect alarm source  
• Establish correct alarm set point  
• Set alarm source to proper setting  
[ALh1}Alarm High Sensor input above high  
• Temperature is greater than alarm  
set point  
• Alarm is set to latching and an alarm • Clear latched alarm  
occurred in the past  
• Check cause of over temperature  
alarm set point  
[ALh2]  
[ALh3]  
[ALh4]  
• Incorrect alarm set point  
• Incorrect alarm source  
• Establish correct alarm set point  
• Set alarm source to proper setting  
[Eri1] Error Input Sensor does not provide a  
valid signal to controller  
• Sensor improperly wired or open  
• Incorrect setting of sensor type  
• Calibration corrupt  
• Correct wiring or replace sensor  
• Match setting to sensor used  
• Check calibration of controller  
[Eri2]  
Limit won’t clear or Limit will not clear or reset  
reset with keypad or digital input  
• Sensor input is out of limit set point • Correct cause of sensor input out of  
range  
limit range  
• Limit set point is incorrect  
• Digital input function is incorrect  
• Set limit set point to correct trip point  
• Set digital input function and source  
instance  
[LiE1] Limit Error Limit state cannot be deter-  
• Sensor improperly wired or open  
• Incorrect setting of sensor type  
• Calibration corrupt  
• Correct wiring or replace sensor  
• Match setting to sensor used  
• Check calibration of controller  
mined due to lack of sensor  
input, limit will trip  
[LiE2]  
[LiL1] Limit Low  
[LiL2]  
Sensor input below low limit • Temperature is less than limit set  
set point point  
• Limit outputs latch and require reset • Clear limit  
• Incorrect alarm set point • Establish correct limit set point  
• Check cause of under temperature  
Watlow EZ-ZONE® PM Integrated Controller  
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Indication  
Description  
Possible Cause(s)  
Corrective Action  
[Lih1] Limit High  
[Lih2]  
Sensor input above high limit • Temperature is greater than limit set • Check cause of over temperature  
set point  
point  
• Limit outputs latch and require reset • Clear limit  
• Incorrect alarm set point  
• Establish correct limit set point  
[LPo1]  
Open Loop Detect is active  
and the process value did  
not deviate by a user-select-  
ed value in a user specified  
period.  
• Setting of Open Loop Detect Time  
incorrect  
• Setting of Open Loop Detect Devia-  
tion incorrect  
• Set correct Open Loop Detect Time for  
application  
• Set correct Open Loop Deviation value  
for application  
• Determine cause of open thermal loop:  
misplaced sensors, load failure, loss of  
power to load, etc.  
Loop Open Error  
• Thermal loop is open  
• Open Loop Detect function not re-  
quired but activated  
• Deactivate Open Loop Detect feature  
[LPr1]  
Open Loop Detect is active  
and the process value is  
headed in the wrong direc-  
tion when the output is  
activated based on devia-  
tion value and user-selected  
value.  
• Setting of Open Loop Detect Time  
incorrect  
• Setting of Open Loop Detect Devia-  
tion incorrect  
• Output programmed for incorrect  
function  
• Thermocouple sensor wired in reverse • Wire thermocouple correctly, (red wire  
• Set correct Open Loop Detect Time for  
application  
• Set correct Open Loop Deviation value  
for application  
Loop Reversed Error  
• Set output function correctly  
polarity  
is negative)  
[`rP1] Ramping 1  
Controller is ramping to new • Ramping feature is activated  
set point  
• Disable ramping feature if not re-  
quired  
[tUN1]Autotuning 1 Controller is autotuning the  
• User started the autotune function  
• Wait until autotune completes or dis-  
able autotune feature  
control loop  
• Digital input is set to start autotune • Set digital input to function other  
than autotune, if desired  
No heat/cool action  
Output does not activate load • Output function is incorrectly set  
• Set output function correctly  
• Control mode is incorrectly set  
• Set control mode appropriately (Open  
vs Closed Loop)  
• Output is incorrectly wired  
• Load, power or fuse is open  
• Control set point is incorrect  
• Correct output wiring  
• Correct fault in system  
• Set control set point in appropriate  
control mode and check source of set  
point: remote, idle, profile, closed loop,  
open loop  
• Incorrect controller model for applica- • Obtain correct controller model for ap-  
tion  
plication  
No Display  
No display indication or LED • Power to controller is off  
• Turn on power  
• Replace fuse  
illumination  
• Fuse open  
• Breaker tripped  
• Safety interlock switch open  
• Separate system limit control acti-  
vated  
• Reset breaker  
• Close interlock switch  
• Reset limit  
• Wiring error  
• Correct wiring issue  
• Incorrect voltage to controller  
• Apply correct voltage, check part  
number  
No Serial Communi- Cannot establish serial com- • Address parameter incorrect  
• Set unique addresses on network  
• Match protocol between devices  
• Match baud rate between devices  
• Match parity between devices  
• Correct wiring issue  
cation  
munications with the con-  
troller  
• Incorrect protocol selected  
• Baud rate incorrect  
• Parity incorrect  
• Wiring error  
• EIA-485 converter issue  
• Check settings or replace converter  
• Incorrect computer or PLC communi- • Set correct communication port  
cations port  
• Incorrect software setup  
• Correct software setup to match con-  
troller  
• Termination resistor may be required • Place 120 Ω resistor across EIA-485  
on last controller  
Watlow EZ-ZONE® PM Integrated Controller  
67  
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Indication  
Description  
Possible Cause(s)  
Corrective Action  
Process doesn’t con- Process is unstable or never  
trol to set point reaches set point  
• Controller not tuned correctly  
• Perform autotune or manually tune  
system  
• Control mode is incorrectly set  
• Control set point is incorrect  
• Set control mode appropriately (Open  
vs Closed Loop)  
• Set control set point in appropriate  
control mode and check source of set  
point: remote, idle, profile, closed loop,  
open loop  
Temperature runway Process value continues to  
• Controller output incorrectly pro-  
• Thermocouple reverse wired  
• Verify output function is correct (heat  
or cool)  
increase or decrease past set grammed  
point.  
• Correct sensor wiring (red wire nega-  
tive)  
• Controller output wired incorrectly  
• Short in heater  
• Verify and correct wiring  
• Replace heater  
• Power controller connection to con-  
troller defective  
• Replace or repair power controller  
• Controller output defective  
• Controller defective  
• Replace or repair controller  
• Replace or repair controller  
[`100] Device Error Controller displays internal  
malfunction message at  
power up.  
[rEtn]  
[`hEr] Heater Error Heater Error  
• Current through load is above current • Check that the load current is proper.  
trip set point  
Correct cause of overcurrent and/or en-  
sure current trip set point is correct.  
• Current through load is below current • Check that the load current is proper.  
trip set point  
Correct cause of undercurrent and/or  
ensure current trip set point is correct.  
[`CEr]  
Load current incorrect.  
• Shorted solid-state or mechanical  
relay  
• Replace relay  
Current Error  
• Open solid-state or mechanical relay • Replace relay  
• Current transformer load wire associ- • Route load wire through current  
ated to wrong output  
transformer from correct output, and  
go to the [`CSi] Source Output In-  
stance parameter (Setup Page, Current  
Menu) to select the output that is driv-  
ing the load.  
• Defective current transformer or con- • Replace or repair sensor or controller  
troller  
• Noisy electrical lines  
• Route wires appropriately, check for  
loose connections, add line filters  
Menus inaccessible  
Unable to access [`SEt],  
[OPEr], [FCty] or [ProF]  
menus or particular prompts  
in Home Page  
• Security set to incorrect level  
• Check lockout setting in Factory Page  
• Change state of digital input  
• Digital input set to lockout keypad  
• Custom parameters incorrect  
• Change custom parameters in Factory  
Page  
EZ-Key doesn’t work EZ-Key does not activate re- • EZ-Key function incorrect  
quired function  
• Verify EZ-Key function in Setup Menu  
• EZ-Key function instance not incor-  
rect  
• Check that the function instance is  
correct  
• Keypad malfunction  
• Replace or repair controller  
Watlow EZ-ZONE® PM Integrated Controller  
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• Process, 0 to 20 mA @ 100 Ω, or 0 to 10VÎ (dc) and 0 to 50 mV @  
20 kΩ input impedance; scalable  
• Inverse scaling  
Specifications  
Line Voltage/Power  
• 85 to 264VÅ (ac), 47 to 63 Hz  
Accuracy Range  
• 12 to 40VÎ (dc); 20 to 28VÅ (ac), 47 to 63 Hz  
• 10VA maximum power consumption  
• Data retention upon power failure via nonvolatile memory  
• Compliant with Semi F47-0200, Figure R1-1 voltage sag require-  
ments @ 24Å (ac) or higher  
Type J: 0 to 750°C or 32 to 1,383°F ( 1.75°C)  
Type K: -200 to 1,250°C or -328 to 2,282°F ( 2.45°C)  
Type T: -200 to 350°C or -328 to 662°F ( 1.55°C)  
Type E: -328 to 1,652°C or -200 to 900°F ( 2.10°C)  
Type N: 0 to 1,250°C or 32 to 2,282°F ( 2.25°C)  
Type C: 0 to 2,315°C or 32 to 4,199°F ( 3.32°C)  
Type D: 0 to 2,315°C or 32 to 4,199°F ( 3.32°C)  
Type F: 0 to 1,343°C or 32 to 2,450°F ( 2.39°C)  
Type R: 0 to 1,450°C or 32 to 2,642°F ( 3.90°C)  
Type S: 0 to 1,450°C or 32 to 2,642°F ( 3.90°C)  
Type B: 870 to 1,700°C or 1,598 to 3,092°F ( 2.66°C)  
RTD (DIN): -200 to 800°C or -328 to 1,472°F ( 2.00°C)  
Volts: 0 to 10 ( 0.01V)  
Environment  
• -18 to 65°C (0 to 149°F) operating temperature  
• -40 to 85°C (-40 to 185°F) storage temperature  
• 0 to 90 percent RH, non-condensing  
Accuracy  
• Calibration accuracy and sensor conformity: 0.1 percent of ac-  
curacy span, 1°C at the calibrated ambient temperature and  
rated line voltage  
mA DC: 0 to 20 ( 0.02 mA)  
mV: 0 to 50 ( 0.05 mV)  
Potentiometer: 0 to 1,200 Ω ( 1.0 Ω)  
• Types R, S, B; 0.2 percent  
• Type T below -50°C (58°F); 0.2 percent  
• Calibration ambient temperature @ 25°C, 3°C (77°F, 5°F)  
• Accuracy span: 540°C (1,000°F) minimum  
• Temperature stability: 0.1°C/°C ( 0.1°F/°F) rise in ambient  
maximum  
Functional Operating Range  
Type J: -210 to 1,200°C or -346 to 2,192°F  
Type K: -200 to 1,370°C or -328 to 2,500°F  
Type T: -200 to 400°C or -328 to 750°F  
Type E: -200 to 1,000°C or -328 to 1,832°F  
Type N: -200 to 1,300°C or -328 to 2,372°F  
Type C: 0 to 2,315°C or 32 to 4,200°F  
Type D: 0 to 2,315°C or 32 to 4,200°F  
Type F: 0 to 1,395°C or 32 to 2,543°F  
Type R: -50 to 1,767°C or -58 to 3,214°F  
Type S: -50 to 1,767°C or -58 to 3,214°F  
Type B: 0 to 1,816°C or 32 to 3,300°F  
RTD (DIN): -200 to 800°C or -328 to 1,472°F  
Process: -1,999 to 9,999 units  
• Process Output: 15 mV using 0 to 10 VÎ (dc), resolution @ 3  
mV and 30 μA using 0 to 20 mA, resolution @ 6 μA  
Agency Approvals  
®
UL Listed to UL 61010-1 File E185611.  
• UL Reviewed to CSA C22.2 No. 61010-1-04.  
• UL 50 Type 4X, NEMA 4X indoor locations, IP66 front panel seal.  
• FM Class 3545 File 3029084 temperature limit switches.  
• CE – See Declaration of Conformity. RoHS and W.E.E.E. compliant.  
• ODVA – EtherNet/IP™ Compliance.  
®
UL Listed to ANSI/ISA 12.12.01-2001 File E184390.  
• UL reviewed to CSA C22.2 No. 213-1987.  
• This equipment is suitable for use in Class I, Division 2, Groups A,  
B, C and D or Non-Hazardous locations only. Temperature Code  
T4A.  
• WARNING – EXPLOSION HAZARD. Substitution of component  
may impair suitability for Class I, Division 2.  
Digital Input  
• Update rate 10 Hz  
• Dry contact or dc voltage  
DC voltage  
• WARNING – EXPLOSION HAZARD. Do not disconnect equipment  
unless power has been switched off or the area is known to be non-  
hazardous.  
• Maximum input 36V at 3 mA  
• Minimum high state 3V @ 0.25 mA  
• Maximum low state 2V  
Controller  
Dry contact  
• Microprocessor-based, user-selectable control modes  
• PID module: Single universal input, 2 outputs  
• Limit module: Single universal input, 2 outputs  
• Minimum open resistance 10 kΩ  
• Maximum closed resistance 50 Ω  
• Maximum short circuit 13 mA  
• 2 total additional digital input/outputs shared between PID and  
limit functions  
• Control sampling rates: input 10 Hz, outputs 10 Hz  
Digital Output  
• Update rate 10 Hz  
• Output voltage 24V  
• Current limit, Output 5, 24 mA maximum; Output 6, 10 mA  
maximum  
Serial Communications  
• Isolated communications EIA-485, Standard Bus: all models;  
EIA-232/485, Modbus™ RTU and Ethernet IP/Modbus™ TCP  
serial communications. Future options include DeviceNet™ and  
Profibus™ DP  
Current Measurement  
• Requires optional current transformer 16-0246  
• Accepts 0 to 50 mA signal (user programmable range) 2 to 50A  
usable  
• Displayed operating range and resolution can be scaled and are  
user programmable.  
Wiring Termination, Touch-Safe Terminals  
• Input, power and controller output terminals touch-safe remov-  
able 3.30 to 0.0507mm² (12 to 30 AWG)  
• Wire strip length 7.6 mm (0.30 in)  
• Torque 0.8 Nm (7.0 lb.- in.)  
Output Hardware  
• User selectable for heat-cool as on-off, P, PI, PD, PID, alarm ac-  
tion or limit.  
Universal Input  
• Thermocouple, grounded or ungrounded sensors  
>20 MΩ input impedance  
Switched DC  
• Unregulated 22 to 32VÎ (dc) low side @ 30 mA outputs 1 and 3,  
10 mA outputs 2 and 4  
Maximum of 2K Ω source resistance  
• RTD 2- or 3-wire, platinum, 100 and 1,000 Ω @ 0°C calibration  
to DIN curve (0.00385 Ω/Ω/°C); lead resistance effect: 0.3°C/Ω  
maximum  
Open Collector  
• Output sink 100 mA @ 30VÎ (dc) maximum  
Watlow EZ-ZONE® PM Integrated Controller  
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Solid-State Relay  
• 0.5 A @ 24 to 264VÅ (ac) maximum, opto-isolated, without con-  
tact suppression; maximum off-state leakage current: 105 micro-  
amperes  
Electromechanical Relay, Form A  
• 5 A, 24 to 240VÅ (ac) or 30VÎ (dc) maximum, resistive load,  
100,000 cycles at rated load, 125 VA pilot duty  
• Requires a minimum load of 20 mA @ 24V  
Electromechanical Relay, Form C  
• 5 A, 24 to 240VÅ (ac) or 30VÎ (dc) maximum, resistive load,  
100,000 cycles at rated load, 125 VA pilot duty  
• Requires a minimum load of 20 mA @ 24V  
No-arc Relay Form A  
• 15 A, 85 to 264VÅ (ac), no VÎ (dc), resistive load, 2 million cycles  
at rated load (preliminary), maximum off-state leakage current:  
2 mA  
Process  
• Universal process/Retransmit, outputs range selectable, 0 to 10  
VÎ (dc) into minimum 1,000 Ω load, 0 to 20 mA into maximum  
800 Ω load  
Operator Interface  
• Dual 4-digit, 7-segment LED displays  
• Advance, infinity, up and down keys plus an EZ Key program-  
mable function key  
• Typical display update rate 1Hz  
• Agency approved to IP66/NEMA 4X  
Dimensions  
Size  
Behind  
Panel  
Width  
Height  
Display Height  
(max.)  
1/16 101.6 mm 53.3 mm 53.3 mm up: 10.80 mm (0.425 in)  
(4.00 in) (2.10 in) (2.10 in) low: 6.98 mm (0.275 in)  
Weight  
• Controller: 200 g (7.1 oz.)  
• User manual: 167.26 g (5.9 oz)  
Modbus® is a trademark of AEG Schneider Automation Inc.  
EtherNet/IP™ is a trademark of ControlNet International Ltd. used  
under license by Open DeviceNet Vendor Association, Inc. (ODVA).  
UL® is a registered trademark of Underwriters Laboratories Inc.  
DeviceNet™ is a trademark of Open DeviceNet Vendors Associatlon.  
Note: These specifications are subject to change without prior  
notice.  
Watlow EZ-ZONE® PM Integrated Controller  
70  
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Ordering Information for Integrated Controller Models  
EZ-ZONE® Integrated Controller Models  
A
Controller  
P M  
6
__ __ __ __ - __ __ __ __  
__ __  
Universal Sensor Input, configuration communications  
®
TRU-TUNE+ Adaptive Tune, red-green 7-segment displays  
Package Size  
6
1⁄16 DIN  
Primary Function  
PID Controller  
Ramp and Soak  
Custom Firmware  
C
R
S
Power Supply, Digital Input/Output  
1
2
3
4
100 to 240VÅ (ac)  
100 to 240VÅ (ac) plus 2 digital i/o points  
12 to 40VÎ (dc) and 20 to 28VÅ (ac)  
12 to 40VÎ (dc) and 20 to 28VÅ (ac), plus 2 digital i/o points  
Output 1 and 2 Hardware Options  
Output 1  
Output 2  
Switched dc/open collector  
Switched dc/open collector  
Switched dc/open collector  
Switched dc/open collector  
Switched dc/open collector  
Mechanical relay 5 A, form C  
Mechanical relay 5 A, form C  
Mechanical relay 5 A, form C  
Mechanical relay 5 A, form C  
Mechanical relay 5 A, form C  
Universal process  
None  
CA  
CH  
CC  
CJ  
CK  
EA  
EH  
EC  
EJ  
EK  
FA  
FC  
FJ  
FK  
AK  
KK  
KH  
No-arc 15 A power control  
Switched dc  
Mechanical relay 5 A, form A  
Solid-state relay 0.5 A, form A  
None  
No-arc 15 A power control  
Switched dc  
Mechanical relay 5 A, form A  
Solid-state relay 0.5 A, form A  
None  
Universal process  
Switched dc (cannot use variable time base)  
Mechanical relay 5 A, form A (cannot use variable time base)  
Solid-state relay 0.5 A, form A (cannot use variable time base)  
Solid-state relay 0.5 A, form A  
Universal process  
Universal process  
None  
Solid-state relay 0.5 A, form A  
Solid-state relay 0.5 A, form A  
Solid-state relay 0.5 A, form A  
No-arc 15 A power control  
Communications Options All options below include EIA-485 Standard Bus.  
None  
A
®
EIA 485 Modbus RTU  
1
With options 2 or 3, order option AA for outputs 3 & 4.  
Modbus RTU 232/485  
2
3
EtherNet/IP™, Modbus TCP  
Auxilliary Control Functions With Communications Options 2 to 6, option A must be ordered below.  
None  
A
R
T
L
Remote Set point input  
Current Transformer Input (no Output 3 & 4 Option FA, FC, FJ or FK)  
Integrated Limit Controller with universal input (outputs 3 & 4 Option CJ, EJ or AJ only)  
Output 3 and 4 Hardware Options With Communications Options 2 or 3, option AA must be ordered below.  
Output 3 Output 4  
None  
None  
AA  
AJ  
CA  
CC  
CJ  
CK  
EA  
EC  
EJ  
EK  
FA  
FC  
FJ  
None  
Mechanical relay 5 A, form A  
None  
Switched dc/open collector  
Switched dc/open collector  
Switched dc/open collector  
Switched dc/open collector  
Mechanical relay 5 A, form C  
Mechanical relay 5 A, form C  
Mechanical relay 5 A, form C  
Mechanical relay 5 A, form C  
Universal Process  
Switched dc  
Mechanical relay 5 A, form A  
Solid-state relay 0.5 A, form A  
None  
Switched dc  
Mechanical relay 5 A, form A  
Solid-state relay 0.5 A, form A  
None  
Universal Process  
Switched dc (cannot use variable time base)  
Mechanical relay 5 A, form A (cannot use variable time base)  
Solid-state relay 0.5 A, form A (cannot use variable time base)  
Solid-state relay 0.5 A, form A  
Solid-state relay 0.5 A, form A  
Universal Process  
Universal Process  
FK  
AK  
KK  
None  
Solid-state relay 0.5 A, form A  
Future Options  
Additional Options  
®
AA Standard EZ-ZONE face plate  
Class 1, div. 2 (not available with Integrated Limit Controller or mechanical relay outputs)  
12  
Note: The model of controller that you have is one of many possible models in the EZ-ZONE® PM family of controllers. To view the others, visit  
Watlow EZ-ZONE® PM Integrated Controller  
71  
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Index  
[`AbL]Alarm Blocking 41, 64  
[ACLF]AC Line Frequency 42, 62  
[ACSP]Active Set Point 32  
[AdM] Address Modbus 43  
[`Ads] Address Standard Bus 43  
[AdSP]Alarm Display 41  
[CUrr]Current Menu 31, 41  
[CUSt]Custom Menu 26, 50, 54  
[dAtE]Date of Manufacture 51  
[``db]Dead Band 31, 62  
[`dEC]Decimal 35  
[iPA2]IP Actual Address Part 2 51  
[iPA3]IP Actual Address Part 3 52  
[iPA4]IP Actual Address Part 4 52  
[iPF1]IP Fixed Address Part 1 43  
[iPF2]IP Fixed Address Part 2 43  
[iPF3]IP Fixed Address Part 3 44  
[iPF4]IP Fixed Address Part 4 44  
[iPg1]IP Fixed Gateway Part 1 44  
[iPg2]IP Fixed Gateway Part 2 44  
[iPg3]IP Fixed Gateway Part 3 44  
[iPg4]IP Fixed Gateway Part 4 44  
[iPM]IP Address Mode 43  
[diAg] Diagnostics Menu 51  
[`Ahi]Alarm High Set Point 31, 63 [`dio]Digital Input/Output Menu  
[`Ahy] Alarm Hysteresis 41, 63  
[``Ai]Analog Input Menu 29, 34  
[`ain]Process Value 29  
[`ALA] Alarm Latching 41, 63  
[ALE1] [ALE2] [ALE3] [ALE4]  
Alarm Error 1 to 4 24, 27  
29  
[`dir]Direction 35  
[`doS]Digital Output State 29  
[EiPE]Ethernet/IP™ Enable 44  
[`EiS]Event Input Status 29  
[ELio]Electrical Input Offset 52, 56 [iPS1]IP Fixed Subnet Part 1 44  
[`ALg] Alarm Logic 41  
[ALh1] [ALh2] [ALh3] [ALh4]  
Alarm High 1 to 4 24, 27  
[ALL1] [ALL2] [ALL3] [ALL4]  
Alarm Low 1 to 4 24, 27  
[ELiS]Electrical Input Slope 52, 56 [iPS2]IP Fixed Subnet Part 2 44  
[ELoo]Electrical Output Offset 52  
[ELoS]Electrical Output Slope 52  
[`End]End 48  
[iPS3]IP Fixed Subnet Part 3 44  
[iPS4]IP Fixed Subnet Part 4 44  
[`isa]Alarm Source Instance 40  
[``JC]Jump Count 47  
[`End]End Type 47  
[ALM]Alarm Menu 31, 40  
[`ALo]Alarm Low Set Point 31, 63 [Ent1]Event Output 1 47  
[Ent1]Active Event Output 1 32  
[``JC]Jump Count Remaining 32  
[``JL]Jump Loop 48  
[`ASd]Alarm Sides 41  
[Ent2]Active Event Output 2 32  
[Ent2]Event Output 2 47  
[Eri1][Eri2]Error Input 1 or 2  
24, 27  
[FAiL]Input Error Failure 38, 59  
[`FiL]Filter 35  
[``Fi]Digital Input Function In-  
stance 36  
[``Fi]Function Key Instance 42  
[``Fi]Digital Output Function  
Instance 35  
[``JS]Jump Step 47  
[`ASi]Alarm Silencing 41, 64  
[AtSP]Autotune Set Point 30, 54  
[Attn]Attention 24, 26, 27, 63, 64  
[`Aty]Alarm Type 40, 63  
[`AUt]Autotune 30, 54  
[AUt1]Autotune, Home Page 26  
[bAUd]Baud Rate 43  
[`CAg]Cool Algorithm 37, 60  
[`CAL]Calibration Menu 52  
[`CCr]Cool Output Curve 37, 59  
[`leu]Digital Input Level 36, 42  
[`Ldd]Open Loop Detect Deviation  
38  
[`LdE]Open Loop Detect Enable 38  
[`Ldt]Open Loop Detect Time 38  
[`LhS]Limit High Set Point 29  
[`Lhy]Limit Hysteresis 36  
[LiE1][LiE2]Limit Error 1 or 2 24,  
27  
[Lih1] [Lih2]Limit High 1 or 2 24,  
27  
[`Cdt]Current Detect Threshold 41 [``Fi]Output Function Instance 39,  
[`CEr]Current Error 24, 27, 31, 64  
[`C_F]Display Units 42  
[`Chi]Current High Set Point 31,  
64  
[`Chy]Cool Hysteresis 30, 60  
[CLEd]Communications Indicator  
Light 52  
40  
[LiL1] [LiL2]Limit Low 1 or 2 24,  
27  
[LiM]Limit Menu 29, 36  
[`Lin]Linearization 34  
[`Lit]Limit Integrate 37  
[`LLS]Limit Low Set Point 29  
[``Fn]Digital Input Function 36, 42  
[[``Fn]Digital Output Function 35  
[``Fn]Output Function 39, 40, 55  
[`FUn]Function Key Menu 42  
[gLbL]Global Menu 42  
[`gSd]Guaranteed Soak Deviation [`LoC]Lockout Menu 50  
[`CLo]Current Low Set Point 31, 64  
[`CM]Control Mode 30, 60  
43  
[LoCo]Lock Operations Page 50, 65  
[`gSE] Guaranteed Soak Enable 43 [LoCP]Lock Profiling Page 50, 65  
[CM1]Control Mode, Home Page 26 [`hAg]Heat Algorithm 37, 60  
[Loop]Loop Menu 30, 37  
[CMA]Control Mode Active 29  
[CoFS]Current Offset 41  
[CoM]Communications Menu 43  
[`hEr]Heater Error 24, 27, 31, 64  
[`hhy]Heat Hysteresis 30, 60  
[hoUr]Hours 47  
[LPo1]Loop Open Error 24, 27  
[LPr1]Loop Reversed Error 24, 27  
[`LSd]Limit Sides 36  
[`CPb]Cool Proportional Band 30, [`hPb]Heat Proportional Band 30, [`LSP]Loop Low Set Point 38  
55, 61  
55, 61  
[MAn]Manual Power 38  
[`CPr]Cool Power 29, 55  
[`hPr]Heat Power 29, 55  
[MbE]Modbus TCP Enable 44  
[CPr1]Cool Power, Home Page 26 [hPr1]Heat Power, Home Page 26 [MhL]Modbus Word Order 43  
[`CSC]Scaling 41  
[`hSP]Control Loop High Set Point  
[Min]Minutes 47  
[`CSd]Current Sides 41  
[`CSi]Current Source Output  
Instance 42  
[`CSP]Closed Loop Set Point 30  
[`CSP]Closed Loop Working Set  
Point 29  
38  
[Mon]Monitor Menu 29  
[`iCA]Calibration Offset 29, 56–57 [`Mu]Electrical Measurement 52,  
[`idS]Idle Set Point 30 56  
[idS1]Idle Set Point, Home Page 26 [`oCA]Calibration Offset 39  
[`iEr]Input Error Latching 35  
[`iEr]Input Error Status 29  
[`iid]Instance 50  
[`oCt]Output Control 35, 40  
[`ohi]Output High Power Scale  
35, 39, 40  
[`CUr]Current Read 31  
[`CUr]Current Reading Enable 41 [iPA1]IP Actual Address Part 1 51 [`oLo]Output Low Power Scale  
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[`tgn]TRU-TUNE+® Gain 37, 55  
[tgSP]Active Target Set Point 32  
[tgSP]Target Set Point 46  
[``ti] Time 48  
[``ti] Time Integral 30, 55, 61  
[ttUn]TRU-TUNE+® Enable 37, 55  
[tUn1]Tuning 24, 27  
[`UFA]User Failure Action 37  
[USrr]User Restore Set 51, 54  
[USrS] User Save Set 51, 54  
[UStP]Unused Step 48  
35, 39, 40  
Attention Codes 24, 26  
Autotune 54  
Home Page 26  
[``oP]Open Loop Set Point 31  
[`otb]Output Time Base 35, 40  
[otPt] Output Menu 39  
[`oty]Output Type 39  
[PAC1]Profile Action Request 27  
[PAC1]Profile Action Request,  
Home Page 26  
[PACr]Profile Action Request 32  
[`PAr]Parameter 1 to 20 50  
[`PAr]Parity 43  
Autotune Aggressiveness 37  
Autotune Request 30  
Autotune Set Point 30, 54  
autotuning 54–55  
autotuning with TRU-TUNE+® 55  
auto (closed loop) control 59  
B
Baud Rate 43  
Blocking 41, 64  
bumpless transfer 59  
[PCoL]Protocol 43  
[Wbo]Wait For Both 48  
[`WE]Wait For Event 48  
[WE1]Wait Event 1 47  
[`PEE]Process Error Enable 34  
[`PEL]Process Error Low 35  
[``Pn]Part Number 51  
[ProF]Profile 46  
[WE2]Wait Event 2 47  
C
[WPi]Wait For Process Instance 47  
[WPr]Wait For Process 48  
[WPr]Wait For Process 47  
calibrating an analog input 56  
Calibration Menu 52  
Factory Page 49  
[PSt1]Profile Start 27  
[PSt1]Profile Start, Home Page 26  
[PStA]Profile Status Menu 31  
[PStr]Profile Start 32  
[PtyP]Profile Type 43  
[`PuA]Process Value Active 29  
[rAtE]Rate 47, 48  
Calibration Offset 29, 39, 56–57  
changing the set point 26  
chattering output 60  
chemical compatibility 10  
Closed Loop Set Point 30  
Closed Loop Working Set Point 29  
communications activity light 24  
Communications Indicator Light 52  
Communications Menu 43  
Setup Page 33  
Control 35, 40  
controller specifications 69  
control methods 59  
Control Mode 30, 60  
Home Page 26  
A
accuracy 69  
Active Event Output (1 or 2) 32  
Active Process Value  
Home Page 26  
Active Set Point 32  
Home Page 26  
[`rEn]Remote Enable 30, 58  
[`rEu]Software Revision 51  
[`rhi]Range High 34, 39, 57  
[`rLo]Range Low 34, 39, 57  
[rLoC]Read Lockout Security 51, 65  
[``rP]Ramp Action 38, 62  
[`rP1]Ramping 24, 27  
[`rrt]Ramp Rate 38, 62  
[`rSC]Ramp Scale 38, 62  
[`rSr]Retransmit Source 39  
[`rtL]RTD Leads 34  
[`rty]Remote Set Point Type 30  
[`SbA]Sensor Backup Enable 35,  
57  
[SbLd]Software Build 51  
[`SEC]Seconds 47  
[`SEn]Sensor Type 34, 55, 57  
[`Shi]Scale High 34, 39, 57  
[`SLo]Scale Low 34, 39, 57  
[SLoC]Set Lockout Security 51, 65  
[``Sn]Serial Number 51  
[SoAh]Soak 48  
[SPhi]Set Point High Limit Open  
Loop 38  
[SPLo]Set Point Low Limit Open  
Loop 38  
Active Step 32  
Active Step Type 32  
Active Target Set Point 32  
AC Line Frequency 42, 62  
adaptive tuning 55  
Address Modbus 43  
Address Standard Bus 43  
Advance Key 24  
agency approvals 2, 69  
alarms 63  
Blocking 41, 64  
deviation 63  
Display 41  
Hysteresis 41, 63  
Latching 41, 63  
Logic 41  
Control Mode Active 29  
Cool Algorithm 37, 60  
Cool Hysteresis 30, 60  
Cool Output Curve 37, 59  
cool output curve 59  
Cool Power 29, 55  
Home Page 26  
Cool Proportional Band 30, 55, 61  
Current Error 24, 31, 64  
current measurement 69  
Current Menu 31, 41  
Operations Page 28  
Setup Page 33  
Current Sensing 64  
current sensing 64  
Custom Menu 26, 50, 54  
Factory Page 49  
Home Page 26  
process 63  
set points 63  
Sides 41  
Silencing 41, 64  
Source 40  
Source Instance 40  
Type 40  
alarm blocking 64  
Alarm Error 1 to 4 24  
Alarm High 1 to 4 24  
Alarm Low 1 to 4 24  
Alarm Menu 31, 40  
Operations Page 28  
Setup Page 33  
Analog Input Menu 29, 34  
Operations Page 28  
Setup Page 33  
[`sra]Alarm Source 34  
[StEP]Step 46  
[`Sti]Step Time Remaining 32  
[`StP]Active Step 32  
[StyP]Active Step Type 32  
[StyP]Step Type 46  
D
Date of Manufacture 51  
Dead Band 31, 61, 62  
Decimal 35  
[tAgr]User Tune Aggressiveness  
37, 54  
Declaration of Conformity 76  
default Home Page parameters 26  
Detect Threshold 41  
[tbnd]TRU-TUNE+® Band 37, 55  
[``td]Time Derivative 30, 55, 61  
Watlow EZ-ZONE® PM Integrated Controller  
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deviation alarms 63  
Diagnostics Menu 51  
Factory Page 49  
Digital Input/Output Menu 29, 35  
Operations Page 28  
Setup Page 33  
Alarm 31, 63  
Current 31, 64  
Limit 29  
Lockout Menu 50, 65  
Factory Page 49  
Lock Operations Page 50, 65  
Lock Profiling Page 50, 65  
Logic 41  
Loop Menu 30, 37  
Operations Page 28  
Setup Page 33  
Loop Open Error 24  
Loop Reversed Error 24  
lower display 24  
Low Power Scale 35, 39, 40  
low range 57  
low scale 57  
Low Set Point  
Alarm 31, 63  
Current 31, 64  
Limit 29  
Loop 38, 57  
Loop 38, 57  
Home Page 26, 54  
default display 26  
Hours 47  
digital inputs 3  
Digital Input Function 3, 42  
digital input specifications 69  
digital output specifications 69  
dimensions 8, 70  
Direction 35  
Display 41  
displays 24  
Display Units 42  
Down Key 24  
Hysteresis 36, 41, 63  
I
Integrate 37  
Idle Set Point 30  
Home Page 26  
Infinity Key 24  
inputs 3  
Input Error Failure 38, 59  
Input Error Latching 35, 60  
Input Error Status 29  
input events 3  
Input Function Instance 36  
Input Sensor Type 55  
installation 9  
duplex 58  
E
Electrical Gain 56  
M
Electrical Input Offset 52  
Electrical Input Slope 52  
Electrical Measurement 52, 56  
Electrical Output Offset 52  
Electrical Output Slope 52  
End 48  
End Set Point Value 47  
environment 69  
Error Input 1 or 2 24  
EtherNet/IP™ 23  
manual (open loop) control 59  
Manual Control Indicator Light 60  
Manual Power 38  
Instance 42, 50  
IP Actual Address Part 1 51  
IP Actual Address Part 2 51  
IP Actual Address Part 3 52  
IP Actual Address Part 4 52  
IP Address Mode 43  
IP Fixed Address Part 1 43  
IP Fixed Address Part 2 43  
IP Fixed Address Part 3 44  
IP Fixed Address Part 4 44  
IP Fixed Gateway Part 1 44  
IP Fixed Gateway Part 2 44  
IP Fixed Gateway Part 3 44  
IP Fixed Gateway Part 4 44  
IP Fixed Subnet Part 1 44  
IP Fixed Subnet Part 2 44  
IP Fixed Subnet Part 3 44  
IP Fixed Subnet Part 4 44  
manual tuning 54  
message, display 24  
Message Action 27  
Minutes 47  
Modbus TCP 23  
Modbus TCP Enable 44  
Modbus Word Order 43  
Monitor Menu 29  
Ethernet/IP™ Enable 44  
Event Input Status 29  
Event Output (1 and 2) 47  
EZ Key 24, 64  
Operations Page 28  
N
F
navigating  
Factory Page 49  
Filter Time 35, 57  
filter time constant 57  
Function 36, 55  
Factory Page 49  
Operations Page 28  
pages and menus 25  
Profiling Page 45  
Setup Page 33  
network wiring 23  
No-arc Relay 58  
Function Instance 35, 39, 40  
Function Key Menu 42, 64  
Setup Page 33  
J
Jump Count 47  
Jump Count Remaining 32  
Jump Loop 48  
Jump Step 47  
G
O
Global Menu 42  
Offset 41  
Setup Page 33  
Guaranteed Soak Deviation 43  
Guaranteed Soak Enable 43  
on-off control 60  
K
Open Loop Detect Deviation 38  
Open Loop Detect Enable 38  
Open Loop Detect Time 38  
Open Loop Set Point 31  
Operations Page 28, 50  
operator interface 70  
ordering information  
integrated controller models 71  
outputs 3  
output activity lights 24  
output configuration 59  
output events 3  
Output Function 35, 39, 40  
output hardware specifications 69  
keys 24  
H
L
Heater Error 24, 31, 64  
Heat Algorithm 37, 60  
Heat Hysteresis 30, 60  
Heat Power 29, 55  
Home Page 26  
Latching 41, 63  
Level 36, 42  
Limit Error 1 or 2 24  
Limit High 1 or 2 24  
Limit Low 1 or 2 24  
Limit Menu 29, 36  
Operations Page 28  
Setup Page 33  
Linearization 34  
line voltage/power 69  
Heat Proportional Band 30, 55, 61  
High Power Scale 35, 39, 40  
high range 57  
high scale 57  
High Set Point  
Watlow EZ-ZONE® PM Integrated Controller  
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Output Menu 39  
Setup Page 33  
output power scaling 59  
Output State 29  
Output Type 39  
Sensor Backup Enable 35, 57  
sensor selection 57  
Sensor Type 34, 55, 57  
serial communications 69  
Serial Number 51  
Setup Page 33  
Set Lockout Security 51, 65  
set point high limit 57  
Set Point High Limit Open Loop 38  
set point low limit 57  
Set Point Low Limit Open Loop 38  
Sides  
Alarm 41  
Current 41  
Limit 36, 37  
Silencing 41, 64  
single set point ramping 62  
Soak 48  
Software Build 51  
Software Revision 51  
Source 40  
Source Output Instance 42  
specifications 69  
Step 46  
weight 70  
wiring  
digital input or output 5 13  
digital input or output 6 13  
EIA-232/485 Modbus RTU commu-  
nications 22  
P, Q  
high power 13  
P3T armor sealing system 2  
Parameter 1 to 20 50  
Parity 43  
input 1 potentiometer 14  
input 1 process 14  
input 1 RTD 14  
input 1 thermocouple 14  
input 2 current transformer 16  
input 2 potentiometer 15  
input 2 process 15  
input 2 RTD 15  
input 2 thermocouple 15  
low power 13  
Modbus RTU or standard bus  
EIA-485 communications 22  
output 1 mechanical relay, form C  
17  
output 1 solid-state relay, form A  
18  
output 1 switched dc/open collec-  
tor 17  
output 1 universal process 17  
output 2 mechanical relay, form  
A 18  
output 2 no-arc relay, form A 18  
output 2 solid-state relay, form A  
19  
output 2 switched DC/open collec-  
tor 18  
output 3 mechanical relay, form C  
19  
output 3 solid-state relay, form A  
20  
output 3 switched dc/open collec-  
tor 19  
output 3 universal process 20  
output 4 mechanical relay, form  
A 20  
output 4 solid-state relay, form A  
21  
output 4 switched DC/solid-state  
relay 20  
standard bus EIA-485 communica-  
tions 22  
Part Number 51  
percent units indicator light 24  
process alarms 63  
Process Error Enable 34  
Process Error Low 35  
Process Value 29  
Process Value Active 29  
Profile 46  
Profile Action 26  
Profile Action Request 32  
Home Page 27  
profile activity light 24  
Profile Start 27, 32  
Home Page 26  
Profile Status Menu 31  
Operations Page 28  
Profile Type 43  
Profiling Page 45, 50  
programming the Home Page 54  
proportional control 60  
plus integral (PI) control 61  
plus integral plus derivative (PID)  
control 61  
Step Time Remaining 32  
Step Type 46  
T
Target Set Point 46  
temperature units indicator lights 24  
Time 48  
Time Base 35, 40  
Time Derivative 30, 55, 61  
Time Integral 30, 55, 61  
troubleshooting 66  
Protocol 43  
R
TRU-TUNE+® Band 37, 55  
TRU-TUNE+® Enable 37, 55  
TRU-TUNE+® Gain 37, 55  
tuning the PID parameters 54  
Type 40, 63  
Ramp Action 38  
Ramp Rate 38, 62  
Ramp Scale 38, 62  
Range High 34, 39, 57  
Range Low 34, 39, 57  
Rate 47, 48  
U
Read 31, 64  
universal input 69  
Unused Step 48  
Reading Enable 41  
Read Lockout Security 51, 65  
receiving a remote set point 57  
Remote Enable 30, 58  
Remote Set Point Type 30  
restoring user settings 54  
retransmit 58  
upper display 24  
Up Key 24  
User Failure Action 37  
User Restore Set 51, 54  
User Save Set 51, 54  
User Tune Aggressiveness 54  
using the software 64  
wiring a network 23  
wiring termination, touch-safe termi-  
nals 69  
Retransmit Source 39  
RTD Leads 34  
V
Z
S
variable time base 62  
zone display 24  
saving user settings 54  
Scale High 34, 39, 57  
Scale Low 34, 39, 57  
Scaling 41  
W, X,Y  
Wait Event (1 and 2) 47  
Wait For Both 48  
Wait For Event 48  
Wait For Process 47, 48  
Wait For Process Instance 47  
Seconds 47  
secure settings 65  
sensor backup 57  
Watlow EZ-ZONE® PM Integrated Controller  
75  
Appendix  
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Declaration of Conformity  
Series EZ Zone PM  
Watlow Winona, Inc.  
1241 Bundy Blvd.  
Winona, MN 55987 USA  
Declares that the following product:  
Designation:  
Series EZ Zone PM (Panel Mount)  
Model Numbers:  
PM (3 or 6)(Any letter or number) – (1, 2, 3 or 4)(A, C, E, F or K)  
(A, C, H, J or K)(Any letter or number) – (Any letter or number)  
(A, C, E, F or K)(A, D, J or K)(Any two letters or numbers)  
Temperature control, Installation Category II, Pollution degree 2  
Classification:  
Rated Voltage and Frequency: 100 to 240 V~ ac 50/60 Hz or 15 to 36 Vt dc/24 V~ ac 50/60 Hz  
Rated Power Consumption:  
Environmental Rating:  
10 VA maximum.  
Front Panel IP66  
Meets the essential requirements of the following European Union Directives by using the relevant  
standards show below to indicate compliance.  
2004/108/EC Electromagnetic Compatibility Directive  
EN 61326  
1997  
A1:1998  
A2:2002  
Electrical equipment for measurement, control and  
laboratory use – EMC requirements (Industrial Immunity,  
Class B Emissions  
EN 61000-4-2  
EN 61000-4-3  
EN 61000-4-4  
EN 61000-4-5  
EN 61000-4-6  
EN 61000-4-11  
1996  
2002  
2004  
1995  
1996  
2004  
A1, A2, 2001  
A1, A2, 2005  
Electrostatic Discharge Immunity  
Radiated Field Immunity  
Electrical Fast-Transient / Burst Immunity  
Surge Immunity  
A1, A2, 2001  
A1,A2,A3, 2005 Conducted Immunity  
Voltage Dips, Short Interruptions and Voltage Variations  
Immunity  
EN 61000-3-2  
EN 61000-3-31  
2000  
1995  
ED.2.  
A1, A2, 2002  
Harmonic Current Emissions  
Voltage Fluctuations and Flicker  
1For mechanical relay loads, cycle time may need to be extended up to 30 seconds to meet flicker  
requirements depending on load switched and source impedance.  
73/23/EEC Low-Voltage Directive  
Safety Requirements of electrical equipment for measurement, control  
and laboratory use. Part 1: General requirements  
EN 61010-1  
2001  
Compliant with 2002/95/EC RoHS Directive  
2002/96/EC WEEE Directive  
Equipment Requires Recycling  
Raymond D. Feller III  
Name of Authorized Representative  
Winona, Minnesota, USA  
Place of Issue  
General Manager  
Title of Authorized Representative  
August, 2007  
Date of Issue  
Signature of Authorized Representative  
Watlow EZ-ZONE® PM Integrated Controller  
76  
Appendix  
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How to Reach Us  
Corporate Headquarters  
Watlow Electric Manufacturing Company  
12001 Lackland Road  
St. Louis, MO 63146  
Sales: 1-800-WATLOW2  
Manufacturing Support: 1-800-4WATLOW  
From outside the USA and Canada:  
Tel: +1 (314) 878-4600  
Europe  
Watlow France SARL  
Immeuble Somag  
Watlow Ibérica, S.L.U.  
CME - Avda. de la Vía Láctea, s/n. Oficina 24  
28830 - San Fernando de Henares Madrid  
Spain  
Tel: +34.91.675.1292  
Fax: +34.91.648.7380  
16, Rue Ampère  
95307 Cergy-Pontoise CEDEX  
France  
Tel: + 33 (0)1 30 73 24 25  
Fax: + 33 (0)1 30 73 28 75  
Watlow  
Storgatan 24  
Fax: +1 (314) 878-6814  
Watlow GmbH  
Postfach 11 65, Lauchwasenstr. 1  
D-76709 Kronau  
Germany  
Tel: +49 (0) 7253 9400-0  
Fax: +49 (0) 7253 9400-900  
302 43 Halmstad  
Sweden  
Tel: + 46 (0)35 27 11 66  
Fax: +46 (0)35 27 11 67  
Latin America  
Watlow de México S.A. de C.V.  
Av. Fundición No. 5  
Col. Parques Industriales  
Querétaro, Qro. CP-76130  
Mexico  
Tel: +52 442 217-6235  
Fax: +52 442 217-6403  
Watlow UK Ltd.  
Linby Industrial Estate  
Linby, Nottingham, NG15 8AA  
United Kingdom  
Telephone: (0) 115 964 0777  
Fax: (0) 115 964 0071  
From outside The United Kingdom:  
Tel: +44 115 964 0777  
Fax: +44 115 964 0071  
Watlow Italy S.r.l.  
Viale Italia 52/54  
20094 Corsico MI  
Italy  
Tel: +39 024588841  
Fax: +39 0245869954  
Asia and Pacific  
Watlow Singapore Pte Ltd.  
16 Ayer Rajah Crescent,  
#06-03/04,  
Watlow Korea Co., Ltd.  
#1406, E&C Dream Tower, 46, Yangpyeongdong-3ga  
Yeongdeungpo-gu, Seoul 150-103  
Republic of Korea  
Singapore 139965  
Tel: +65 6773 9488  
Fax: +65 6778 0323  
Tel: +82 (2) 2628-5770  
Fax: +82 (2) 2628-5771  
Watlow Australia Pty., Ltd.  
4/57 Sharps Road  
Tullamarine, VIC 3043  
Australia  
Tel: +61 3 9335 6449  
Fax: +61 3 9330 3566  
Watlow Malaysia Sdn Bhd  
No. 14-3 Jalan 2/114  
Kuchai Business Centre  
Jalan Kuchai Lama  
58200 Kuala Lumpur  
Malaysia  
Tel: +60 3 7980 7741  
Fax: +60 3 7980 7739  
瓦特隆电子科技(上海)有限公司  
(销售办事处)  
瓦特龍電機股份有限公司  
80143 高雄市前金區七賢二路189號 10樓之一  
上海市浦东新区张江工业园区碧波路115号572弄22棟 *  
邮编: 201203  
電話: 07-2885168  
傳真: 07-2885568  
Watlow Electric Taiwan Corporation  
10F-1 No.189 Chi-Shen 2nd Road Kaohsiung 80143  
Taiwan  
电话: 86 21 5080-0902  
传真: 86 21 5080-0906  
Tel: +886-7-2885168  
Fax: +886-7-2885568  
Watlow Electric Manufacturing (Shanghai) Company  
115-22#, 572nd Lane, Bibo Road, Zhangjiang High-Tech Park,  
Shanghai, PRC 201203  
Your Authorized Watlow Distributor  
People’s Republic of China  
Tel: +86 21 5080-0902  
Fax: +86 21 5080-0906  
ワトロー・ジャパン株式会社  
〒101-0047 東京都千代田区内神田1-14-4  
四国ビル別館9階  
Tel: 03-3518-6630  
Fax: 03-3518-6632  
Watlow Japan Ltd.  
1-14-4 Uchikanda, Chiyoda-Ku  
Tokyo 101-0047  
Japan  
Tel: +81-3-3518-6630  
Fax: +81-3-3518-6632  
Revised: September 20, 2007  
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