FieldServer Computer Drive FS 8700 78 User Manual

A Sierra Monitor Company  
Driver Manual  
(Supplement to the FieldServer Instruction Manual)  
FS-8700-78 Dart  
APPLICABILITY & EFFECTIVITY  
Effective for all systems manufactured after January 18, 1999  
Instruction Manual Part Number FS-8700-78  
2/20/2003  
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Driver Manual  
1
Dart Driver Description  
The Dart Driver is designed for connection to a Data Air Coporation Dart Device.  
The Dart device is a active element on a network of Data Air devices such as DAP panels. It  
manages the devices and provides co-ordination and supervision. In performing these duties the  
Dart device polls all the devices on the network for all the data. The Dart is capable of ‘echoing’  
the responses from these devices on one of its RS232 ports. This driver is designed to listen  
passively to these echoes and store device data. In addition the driver can send messages  
(containing set point data, for example,) directly to individual devices on the network.  
The FieldServer is connected to the RS232 serial port of the Dart. The Fieldserver can read and  
write but active polling must be minimized as in reduces the amount of time that the DART  
spends controlling the networked devices. The driver operates primarily as a passive client  
listening to echoes of the data being polled by the DART. The DART must be set to ‘Echo’ mode  
on the front panel of the Dart for the driver to operate correctly. There is no alternative to this  
essential but manual setup-step.  
The driver may be configured very simply (See example 1 in section 4 of the manual). In addition  
a number of advanced configurations are possible. The manual is divided to separate the basic  
and advanced topics.  
The driver supports the common message formats for common Data Aire devices. A list of the  
supported messages is provided in the manual. The driver cannot be used to configure or read the  
status of a DART device itself.  
The information that follows describes how to expand upon the factory defaults provided in the  
configuration files included with the FieldServer.  
1.1 Performance Issues  
Several factors outside FieldServer’s control make for slow communications with Data Aire  
devices. The Data Aire communications is based on a very low baud rate. In addition inter-  
message timing constraints and overhead requirements for active messages in a Dart  
configuration add significant time to each transaction.  
When a used with a DART device, writing to a set point (or other variable) may take up to 8  
seconds to complete the transaction. The results of the write will not be seen until the DART has  
timed-out back into control mode and echoes the new data to the Fieldserver. This could take  
several minutes if there are many devices on the loop and will take at least 30 seconds.  
When writing continuously, with DART configurations, the minimum time interval between  
successive writes is 2 minutes and with non-DART configurations is 1.8 seconds.  
FieldServer Technologies 1991 Tarob Court, Milpitas, California 95035 (408) 262-2299 fax: (408) 262-9042  
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Driver Manual  
2
Driver Scope of Supply  
2.1 Supplied by Sierra Monitor for this driver  
RS485 connection adapter  
Driver Manual.  
2.2 Provided by user  
Data Aire Dart and documentation  
RS232 cable for the loop network  
FieldServer Technologies 1991 Tarob Court, Milpitas, California 95035 (408) 262-2299 fax: (408) 262-9042  
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Driver Manual  
3
Hardware Connections  
Hardware  
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Driver Manual  
3.1 Hardware Configuration – Dart Present  
When a DART device is connected to the Data Aire field devices then the Fieldserver is connected to the  
serial port of the DART. The DART must be set to ‘Echo’ mode. This is done on the front panel of the  
DART.  
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Driver Manual  
4
Basic Configuration  
For a detailed discussion on FieldServer configuration, please refer to the instruction manual for the  
FieldServer. The information that follows describes how to expand upon the factory defaults  
provided in the configuration files included with the FieldServer (See “.csv” files on the driver  
diskette).  
The configuration file tells the FieldServer about its interfaces, and the routing of data required. In  
order to enable the FieldServer for Dart Driver communications, the driver independent FieldServer  
buffers need to be declared in the “Data Arrays” section, the destination device addresses need to be  
declared in the “Client Side Nodes” section, and the data required from the servers needs to be  
mapped in the “Client Side Map Descriptors” section. Details on how to do this can be found  
below.  
The Dart Serial Driver cannot be configured as a data server.  
Note that in the tables, * indicates an optional parameter, with the bold legal value being the  
default.  
4.1 Data Arrays  
Section Title  
Data_Arrays  
Column Title  
Function  
Provide name for Data Array  
Legal Values  
Up to 15 alphanumeric  
characters  
Data_Array_Name  
Data_Format  
Provide data format. Each data array can FLOAT, BIT, UInt16,  
only take on one format.  
SInt16, Packed_Bit, Byte,  
Packed_Byte,  
Swapped_Byte  
Data_Array_Length  
Number of Data Objects. Must be larger  
than the data storage area required for the  
data being placed in this array.  
1-10,000  
Example  
//  
Data Arrays  
//  
Data_Arrays  
Data_Array_Name,  
DA_AI_01,  
DA_AO_01,  
DA_DI_01,  
DA_DO_01,  
Data_Format,  
UInt16,  
UInt16,  
Bit,  
Data_Array_Length  
200  
200  
200  
200  
Bit,  
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4.2 Client Side Connections  
Section Title  
Connections  
Column Title  
Function  
Legal Values  
Port  
Specify which port the device is P1-P8, R1-R2  
connected to the FieldServer  
(P1-P8) requires 232/485  
converter.  
This is the port connected to the  
DART’s RS232 port.  
Secondary_Port*  
Baud*  
Using a Dart ? Do not specify  
this parameter.  
P1-P8, R1-R2  
(R1-R2) requires 232/485  
converter.  
2400 (Others available but  
Specify baud rate  
Daire only operates at 2400  
baud.)  
None  
8
Parity*  
Data_Bits*  
Specify parity  
Specify data bits  
Stop_Bits*  
Protocol  
Specify stop bits  
1
Dart  
Specify protocol used  
Either keyword may be used.  
Specify hardware handshaking  
Time between internal polls  
Handshaking*  
Poll Delay*  
None  
0-32000 seconds  
default 1 second  
Example  
// Client Side Connections  
Connections  
Port, Parity, Data_Bits, Stop_Bits, Protocol, Poll_Delay  
P1, 2400 , None, 8, 1, Dart , 0.100s  
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4.3 Client Side Nodes  
Section Title  
Nodes  
Column Title  
Node_Name  
Function  
Provide name for node  
Legal Values  
Up to 32 alphanumeric  
characters  
Node_ID  
This is not the node address of  
the Dart device !  
1-259  
Specify the node address of the  
DAP device whose data you  
wish to monitor.  
Protocol  
Port  
Specify protocol used  
Specify which port the Dart is  
connected to the FieldServer  
Dart  
P1-P8, R1-R2  
Example  
// Client Side Nodes  
Nodes  
Node_Name, Node_ID, Protocol, Port  
Unit1, 1, Dart , P1  
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4.4 Client Side Map Descriptors  
4.4.1 FieldServer Specific Map Descriptor Parameters  
Column Title  
Map_Descriptor_Name  
Function  
Name of this Map Descriptor  
Legal Values  
Up to 32 alphanumeric  
characters  
Data_Array_Name  
Name of Data Array where data One of the Data Array names  
is to be stored in the  
FieldServer  
from “Data Array” section  
above  
Data_Array_Location  
Function  
Starting location in Data Array 0 to maximum specified in  
“Data Array” section above  
Function of Client Map  
Descriptor  
RDBC, WRBC, WRBX,  
Passive  
The use of the WRBX keyword  
is recommended for DART  
configurations as  
communications are minimized.  
4.4.2 Timing Parameters  
Column Title  
Function  
Legal Values  
Scan_Interval  
Rate at which data is polled  
>0.1s  
4.4.3 Driver Specific Map Descriptor Parameters  
Column Title  
Node_Name  
Function  
Name of Node to fetch data  
from  
Legal Values  
One of the node names  
specified in “Client Node  
Descriptor” above  
Length  
Length of Map Descriptor  
1 The length must always be  
set to one.  
Address  
Starting address of read block  
Not required for client  
configuration. This parameters  
is used in simulation  
configuration only.  
The following parameters apply only to the Dart Driver.  
DA_Func* Tell the driver to poll the device Everything  
for all the data that is available.  
The data is device specific.  
See table 4.4.3.1 for a map of  
how the data is stored in the  
Other uses of this parameter are Fieldserver data arrays  
permitted. These uses are  
discussed in the Advanced  
Topics section of this manual.  
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DA_Field  
Only required when the  
function is a write (wrbc) or  
when the map descriptor is  
associated with a write by  
means of the DA_Assoc  
parameter value.  
See Table 4.4.3.3 for a list of  
permitted values.  
This is the name of the data  
field whose value you wish to  
set in the device.  
Other uses of this parameter are  
permitted. These uses are  
discussed in the Advanced  
Topics section of this manual.  
Use to associate passive map  
descriptors with an active map  
descriptor.  
DA_Assoc  
Any positive integer.  
Using this parameter you  
associate multiple fields with  
one wrbc map descriptor, thus  
reducing writing multiple  
values to one device using just  
one message.  
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4.4.4 Map Descriptor: Example 1 – Read all possible data  
Map_Descriptor_Name,Data_Array_Name, Data_Array_Offset, Function, node_name, Address, Length, DA_Func  
Read_Node_01,  
DA_01  
, 0  
, passive , Unit1  
, 0  
, 1300 , Everything  
The driver waits  
passively for the  
Dart to echo  
data from the  
devices.  
No Scan Interval. The  
driver will process data as  
fast as the Dart can serve  
it.  
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4.4.5 Map of How Data Aire Device Data is stored in a Data Array  
In the example of 4.4.1 the Fieldserver listens passively for all possible data from the device called ‘unit1’  
and stores the data in an array called ‘DA_01’.  
The data that is obtained from ‘unit1’ is dependent on the type of device. Irrespective of the device type  
the arrangement of data, stored in DA_01, is fixed. If a data field cannot be obtained from ‘unit1’ then  
the array is left with a zero value for that data field.  
Table 4.4.5.1: Array Locations of ‘Everything’  
In the following table the array location indicates the offset in the data array at which a data field can be  
found. (This offset is relative to the offset specified in the map descriptor.) The columns headed 2,3 …  
indicate the unit types for which the data fields are available. For example: The field ‘d_temp’ can be read  
from unit types 2,5,6,7,9 but not from any of the other unit types. It is beyond the scope of this manual to  
describe each field and to indicate valid ranges. Such information should be obtained from the Data Aire  
Corporation.  
‘x’ Indicates Read only  
‘X’ Indicates a point that can be read & written.  
‘w’ Indicates a write only point.  
Array  
Num  
Location  
Elements  
Method  
Data Field  
Zone  
2 3 4 5 6 7 8 9 14 15 Message Type  
w w w w w w w w w Dap-Config  
w w w w w w w w w Dap-Config  
1
2
1
1
1
1
Inhibit  
3
4
1
unitType  
x x x x x x x x x x Dap-Unit  
4
2
2
2
3
3
1
1
1
1
4
2
2
2
2
1
1
1
1
1
8
8
1
1
1
1
14  
1
1
1
1
1
1
temp  
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x x x  
x x x  
x x x  
x x x  
x x x  
x x x  
x x x  
x x x  
x x x  
x x x  
x x x  
x x x  
x x x  
x x x  
x x x  
x x x  
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
Dap-Stat  
Dap-Stat  
Dap-Stat  
Dap-Stat  
Dap-Stat  
Dap-Stat  
Dap-Stat  
Dap-Stat  
Dap-Stat  
Dap-Stat  
Dap-Stat  
Dap-Stat  
Dap-Stat  
Dap-Stat  
Dap-Stat  
Dap-Stat  
5
hum  
6
d_temp  
mode  
7
23  
39  
40  
41  
42  
43  
57  
58  
59  
60  
61  
62  
hold  
cs_on  
hs_on  
valvePCT  
hVlvPCT  
errors  
hiTemp  
loTemp  
hiHum  
loHum  
chilled_water  
compressor_config  
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63  
64  
65  
66  
67  
68  
69  
70  
71  
72  
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
heat_strip_config  
x
x
x
x
x
x
x
x
x
x
x x x  
x x x  
x x x  
x x x  
x x x  
x x x  
x x x  
x x x  
x x x  
x x x  
x
x
x
x
x
x
x
x
x
x
Dap-Stat  
Dap-Stat  
Dap-Stat  
Dap-Stat  
Dap-Stat  
Dap-Stat  
Dap-Stat  
Dap-Stat  
Dap-Stat  
Dap-Stat  
hum_config  
csUtilPct  
hsUtilPct  
valveUtilPct  
humUtilPCT  
alrm_select_1  
alrm_select_2  
alrm_select_3  
alrm_select_4  
73  
3
56  
bitErrors  
x
x x x  
x
Dap-Stat  
185  
186  
187  
188  
189  
190  
191  
192  
193  
194  
195  
196  
197  
198  
218  
258  
259  
260  
261  
1
1
1
1
1
1
1
1
1
1
1
1
1
4
6
1
2
2
1
1
1
runtime_c1  
runtime_c2  
runtime_c3  
runtime_c4  
runtime_ht1  
runtime_ht2  
runtime_ht3  
runtime_hum  
runtime_evap  
runtime_cond  
runtime_dehum  
runtime_esc  
runtime_cwc  
errors  
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x x x  
x x x  
x x x  
x x x  
x x x  
x x x  
x x x  
x x x  
x x x  
x x x  
x x x  
x x x  
x x x  
x x x  
x x x  
x x x  
x x x  
x x x  
x x x  
x x x  
x x x  
x x x  
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
Dap-Xtra  
Dap-Xtra  
Dap-Xtra  
Dap-Xtra  
Dap-Xtra  
Dap-Xtra  
Dap-Xtra  
Dap-Xtra  
Dap-Xtra  
Dap-Xtra  
Dap-Xtra  
Dap-Xtra  
Dap-Xtra  
Dap-Xtra  
Dap-Xtra  
Dap-Xtra  
Dap-Xtra  
Dap-Xtra  
Dap-Xtra  
1
1
1
1
1
1
1
1
1
1
1
20  
10  
1
errage  
version  
1
tmbmair  
1
tmbhum  
1
tmbairdb  
262  
314  
6
3
13  
80  
runtimes (as array)  
bitErrors  
Dap-Xtra  
Dap-Xtra  
474  
478  
479  
480  
481  
482  
483  
484  
485  
486  
4
1
1
1
4
4
4
4
4
4
1
1
1
1
1
1
1
1
1
1
adj_rate  
X
X
X
X
X
X
X
X
X
X
X X  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
Dap-Menu  
Dap-Menu  
Dap-Menu  
Dap-Menu  
Dap-Menu  
Dap-Menu  
Dap-Menu  
Dap-Menu  
Dap-Menu  
Dap-Menu  
alrm_delay_1  
alrm_delay_2  
alrm_delay_3  
alrm_enable_1  
alrm_enable_2  
alrm_enable_3  
alrm_select_1  
alrm_select_2  
alrm_select_3  
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487  
488  
489  
490  
491  
492  
493  
494  
495  
496  
497  
498  
499  
500  
501  
502  
503  
504  
505  
506  
507  
508  
509  
510  
511  
512  
513  
514  
515  
516  
517  
518  
1
1
1
2
1
1
1
2
1
1
1
1
1
2
2
1
1
2
1
1
1
1
1
2
1
1
1
1
1
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
chilled_water  
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X X  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
Dap-Menu  
Dap-Menu  
Dap-Menu  
Dap-Menu  
Dap-Menu  
Dap-Menu  
Dap-Menu  
Dap-Menu  
Dap-Menu  
Dap-Menu  
Dap-Menu  
Dap-Menu  
Dap-Menu  
Dap-Menu  
Dap-Menu  
Dap-Menu  
Dap-Menu  
Dap-Menu  
Dap-Menu  
Dap-Menu  
Dap-Menu  
Dap-Menu  
Dap-Menu  
Dap-Menu  
Dap-Menu  
Dap-Menu  
Dap-Menu  
Dap-Menu  
Dap-Menu  
Dap-Menu  
Dap-Menu  
Dap-Menu  
compressor_config  
c_mode  
fire_lim  
heat_strip_config  
hi_cal  
hi_h_cal  
hi_t_lim  
humid_config  
h_calib  
lead_lag  
loc_h_deadband  
loc_h_setpt  
loc_t_dband  
loc_t_setpt  
lo_cal  
lo_h_lim  
lo_t_lim  
main_int  
passwd_a  
passwd_b  
rst_mode  
s_delay  
t_calib  
voice  
vvrg  
cat1  
cat2  
cat3  
d_calib  
lo_d_lim  
ptc  
519  
520  
521  
522  
523  
524  
525  
526  
527  
528  
529  
530  
531  
532  
2
2
4
4
4
2
4
4
4
2
2
2
2
1
1
1
1
2
2
1
1
1
1
1
1
1
1
1
supplyT  
returnT  
x x  
x x  
x x  
x x  
x x  
x x  
x x  
x x  
x x  
x x  
x x  
x x  
x x  
x x  
x
x
x
x
x
x
x
x
x
x
x
x
x
x
Chiller-Stat  
Chiller-Stat  
Chiller-Stat  
Chiller-Stat  
Chiller-Stat  
Chiller-Stat  
Chiller-Stat  
Chiller-Stat  
Chiller-Stat  
Chiller-Stat  
Chiller-Stat  
Chiller-Stat  
Chiller-Stat  
Chiller-Stat  
coolOn1  
coolOn2  
coolOn3  
valvePct  
pumpsOn  
condOn  
modFail  
hiSupT  
loSupT  
hiRetT  
loRetT  
csUtilPct1  
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533  
534  
535  
536  
584  
1
1
1
3
1
1
1
csUtilPct2  
x x  
x x  
x x  
x x  
x x  
x
x
x
x
x
Chiller-Stat  
Chiller-Stat  
Chiller-Stat  
Chiller-Stat  
Chiller-Stat  
csUtilPct3  
valveUtilPct  
errors  
1
48  
1
mode  
585  
596  
676  
6
3
6
11  
80  
10  
runtimes  
errold  
x x  
x x  
x x  
x
x
x
Chiller-Xtra  
Chiller-Xtra  
Chiller-Xtra  
errage  
854  
855  
856  
857  
858  
859  
860  
861  
862  
863  
864  
865  
866  
867  
868  
869  
870  
871  
872  
873  
874  
875  
879  
883  
887  
888  
889  
890  
891  
892  
893  
894  
895  
896  
897  
898  
4
4
2
4
2
4
4
4
2
2
4
2
2
1
4
1
1
1
4
4
1
4
4
4
4
4
4
1
1
2
4
4
4
4
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
4
4
4
1
1
1
1
1
1
1
1
1
1
1
1
adjust_rate  
auto_ack  
x x  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
X X  
x
Chiller-Menu  
Chiller-Menu  
Chiller-Menu  
Chiller-Menu  
Chiller-Menu  
Chiller-Menu  
Chiller-Menu  
Chiller-Menu  
Chiller-Menu  
Chiller-Menu  
Chiller-Menu  
Chiller-Menu  
Chiller-Menu  
Chiller-Menu  
Chiller-Menu  
Chiller-Menu  
Chiller-Menu  
Chiller-Menu  
Chiller-Menu  
Chiller-Menu  
Chiller-Menu  
Chiller-Menu  
Chiller-Menu  
Chiller-Menu  
Chiller-Menu  
Chiller-Menu  
Chiller-Menu  
Chiller-Menu  
Chiller-Menu  
Chiller-Menu  
Chiller-Menu  
Chiller-Menu  
Chiller-Menu  
Chiller-Menu  
Chiller-Menu  
Chiller-Menu  
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
aux_setpt  
backup_mods  
backup_setpt  
cmota  
comp_type  
ptc  
hi_r_lim  
hi_s_lim  
LL_policy  
lo_r_lim  
lo_s_lim  
main_int  
mods_configd  
network_ID  
op_1_delay  
op_2_delay  
op_1_message  
op_2_message  
password  
relay_mask_0  
relay_mask_1  
relay_mask_2  
restart_mode  
reverse_valve  
sc_alarm_on  
start_delay  
supply_dband  
supply_setpt  
temp_scale  
valve_voltage  
voice  
water_valve  
return_cal  
supply_cal  
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899  
900  
901  
902  
903  
904  
905  
906  
907  
908  
909  
910  
911  
912  
913  
914  
915  
916  
917  
918  
919  
920  
921  
922  
923  
924  
925  
926  
927  
928  
929  
930  
931  
932  
933  
934  
950  
966  
982  
998  
1014  
1030  
1046  
1062  
1078  
1079  
1080  
4
1
1
1
1
4
4
4
4
4
4
4
4
4
4
4
4
2
4
2
4
1
2
4
2
1
4
2
1
2
2
1
2
1
4
3
3
3
3
3
3
3
3
3
4
4
4
1
1
adj_rate  
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X X X Dap80-Menu  
X X X Dap80-Menu  
X X X Dap80-Menu  
X X X Dap80-Menu  
X X X Dap80-Menu  
X X X Dap80-Menu  
X X X Dap80-Menu  
X X X Dap80-Menu  
X X X Dap80-Menu  
X X X Dap80-Menu  
X X X Dap80-Menu  
X X X Dap80-Menu  
X X X Dap80-Menu  
X X X Dap80-Menu  
X X X Dap80-Menu  
X X X Dap80-Menu  
X X X Dap80-Menu  
X X X Dap80-Menu  
X X X Dap80-Menu  
X X X Dap80-Menu  
X X X Dap80-Menu  
X X X Dap80-Menu  
X X X Dap80-Menu  
X X X Dap80-Menu  
X X X Dap80-Menu  
X X X Dap80-Menu  
X X X Dap80-Menu  
X X X Dap80-Menu  
X X X Dap80-Menu  
X X X Dap80-Menu  
X X X Dap80-Menu  
X X X Dap80-Menu  
X X X Dap80-Menu  
X X X Dap80-Menu  
X X X Dap80-Menu  
X X X Dap80-Menu  
X X X Dap80-Menu  
X X X Dap80-Menu  
X X X Dap80-Menu  
X X X Dap80-Menu  
X X X Dap80-Menu  
X X X Dap80-Menu  
X X X Dap80-Menu  
X X X Dap80-Menu  
X X X Dap80-Menu  
X X X Dap80-Menu  
X X X Dap80-Menu  
alrm_delay_1  
alrm_delay_2  
alrm_delay_3  
alrm_delay_4  
alrm_select_1  
alrm_select_2  
alrm_select_3  
alrm_select_4  
ant-enable  
1
1
1
1
1
1
1
1
1
autoflush_time  
auto_ack  
1
1
comp_config  
control_type  
c_mode  
1
1
1
da_volts  
1
dehum_on  
1
d_calib  
1
esaver_supp_comp  
fire_lim  
1
1
heater_config  
hi_h_lim  
1
1
hi_t_lim  
1
humid_config  
h_calib  
1
1
h_dband  
1
lead_lag  
1
lo_d_lim  
1
lo_h_lim  
1
lo_t_lim  
1
main_int  
1
network_id  
nom_h_setpt  
password  
1
1
1
ptc  
16  
16  
16  
16  
16  
16  
16  
16  
16  
1
relay_1_mask_0  
relay_1_mask_1  
relay_1_mask_2  
relay_2_mask_0  
relay_2_mask_1  
relay_2_mask_2  
relay_3_mask_0  
relay_3_mask_1  
relay_3_mask_2  
reverse_valve  
rst_mode  
1
1
sc_alarms  
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1081  
1082  
1083  
1084  
1085  
1086  
1
2
1
2
4
4
1
1
1
1
1
1
s_delay  
t_calib  
X
X
X
X
X
X
X X X Dap80-Menu  
X X X Dap80-Menu  
X X X Dap80-Menu  
X X X Dap80-Menu  
X X X Dap80-Menu  
X X X Dap80-Menu  
t_dband  
t_setpt  
valve_config  
voice  
1100  
1101  
1102  
1103  
1104  
1105  
1106  
1107  
1108  
1109  
1110  
1111  
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
sensor_1_name  
sensor_1_units  
sensor_1_type  
sensor_1_min_val  
sensor_1_max_val  
sensor_1_cal  
x x Dap80-Analog  
x x Dap80-Analog  
x x Dap80-Analog  
x x Dap80-Analog  
x x Dap80-Analog  
x x Dap80-Analog  
x x Dap80-Analog  
x x Dap80-Analog  
x x Dap80-Analog  
x x Dap80-Analog  
x x Dap80-Analog  
x x Dap80-Analog  
sensor_2_name  
sensor_2_units  
sensor_2_type  
sensor_2_min_val  
sensor_2_max_val  
sensor_2_cal  
1112  
1113  
1114  
1
1
1
1
1
1
sensor_1_input  
sensor_2_input  
sensor_3_input  
x x Dap80-Channels  
x x Dap80-Channels  
x x Dap80-Channels  
4.4.6 Unit Types  
When the driver reads everything from a device it must first obtain the device’s unit type so that it  
can determine what other data is available. Once the unit type is obtained then the driver updates  
the ‘Unit-Type’ field visible on the node screen of the RUIDebug program. The unit type is also  
available in the data array defined in table 4.4.5.1.  
The following table lists the unit type that can be processed by this driver.  
Unit Type  
Numeric Unit Type Description  
Unknown/unavailable/un-initialized  
"-"  
0
1
2
3
4
5
6
044 data logger  
"1"  
"2"  
"3"  
"4'  
"5"  
"6"  
046 expanded DAP  
046 2 mod chiller  
046 3 mod chiller  
048 DAP, 80-character display  
049 DAP, 16-character display  
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080 DAP II, no relay expansion  
"7"  
7
8
080 Chiller II  
"8"  
080 DAP II, with relay expansion  
Not Defined  
"9"  
9
"10"  
"11"  
"12"  
"13"  
"E"  
"F"  
10  
11  
12  
13  
14  
15  
Not Defined  
Not Defined  
Not Defined  
080 DAP II, with analog module  
080 DAP II, with relay and analog  
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4.4.7 Map Descriptor: Example 2 – Writing a Set-Point .  
A Data Aire device cannot be written to until it has been read. This is a limitation of the Data Aire protocol. This means that you configuration cannot  
consist only of wrbc map descriptors. It should consist of a at least a map descriptor like example 1for every unit that you wish to write to.  
Map_Descriptor_Name, Data_Array_Name, Data_Array_Offset, Function, node_name, Address, Length, DA_Field , Scan_Interval  
Write_SP_01  
, DA_SETPOINTS , 0  
, wrbc , unit1  
, 0  
, 1  
, nom_h_setpt, 120.0s  
The setpoint is  
obtained from this data  
array.  
Always leave the  
address set to zero and  
the length as one.  
Specify the data field you wish to write.  
This is how often the data will be  
written to the device.  
Pick from table 4.5.1. Ensure that the  
keyword can be written to the unit type  
identified as unit1.  
Slow the scan interval down. The  
dart will only take control of the  
devices when the network has been  
idle for at least 50 seconds. If you  
generate polls too often then the dart  
will never exercise control.  
Example. If unit1 is a Chiller then the  
above map descriptor will not function  
correctly as it can only be used to write  
to unit types 7,9,14,15.  
Reccomendation  
Use wrbx instead of wrbc. This causes the driver to generate the command message only when the setpoint changes which in turn minimizes  
communications. Using this method the DART’s control mode is interrupted the least.  
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4.4.8 Map Descriptor: Example 3 – Writing multiple points using one message.  
Map_Descriptor_Name, Data_Array_Name , Data_Array_Offset, Function, node_name, Address, Length, DA_Field  
, DA_Assoc, Scan_Interval  
Write_MapDesc_1, DA_ SETPOINTS, 0  
Write_MapDesc_1, DA_SETPOINTS , 1  
, wrbc,  
, passive, unit1 ,  
unit1 ,  
0
0
1 ,  
1 ,  
nom_h_setpt , 2  
t_setpt , 2  
, 120.0s  
A 'Write' and a passive to the same node.  
This write will update two fields, the  
nom_h_setpt and the t_setpt.  
Associate the passive map descriptor to the  
active (wrbc) map descriptor. In this way the  
driver will use only one message to write to  
the device. The message will be built using  
both map descriptors. This method reduces  
the communication load.  
The write MapDesc. Must precede the  
passive.  
This method is only appropriate if you plan  
to continuosly write to the devices. If you  
intend to write on change using the wrbx  
function then use multiple map descriptors  
that are not associated and give each one a  
wrbx.  
The association is made using the DA_Assoc  
parameter. Use unique positive integers.  
Omitting the DA_Assoc parameter when  
using ‘passive’ map descriptors will produce  
ambiguous results.  
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5
Chapter 5  
This Chapter is blank.  
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6
Advanced Topics  
6.1 Additional Driver Specific Map Descriptor Parameters  
What happens if you want to poll for one specific type of data more frequently than others ? What if you  
want more control of the location of where data is stored ? What happens if you want to do diagnostic  
polls … ?  
To be able to achieve solutions to any of these types of questions the driver offers advanced configuration  
by adding to and extending the map descriptors specific to the Dart Serial Driver.  
Column Title  
DA_Func*  
Function  
Legal Values  
Numeric/Text.  
Specifies the Data Aire  
Command/Query function to be  
used. Use a function  
See section 6.1.1 for a list of  
appropriate to the type of slave possible values.  
(DAP/Chiller/DAP80) and the  
type of data required.  
DA_Field*  
Specifies the data field to be  
This is a text field.  
retrieved from the slave device.  
See section 6.1.2 for a list of  
possible values as well as Table  
4.4.5.1  
Salves are only capable of  
responding with a data  
composite consisting of many  
data fields. You use this  
parameter to specify which  
parameter is you wish to have  
extracted from the data  
composite.  
Note1.  
DA_Assoc*  
Use to associate passive map  
descriptors with an active map  
descriptor. In some case you  
may have a read (rdbc)  
Any positive integer.  
addressing the same node as a  
write (wrbc). Both the read and  
write may have associated map  
descriptors. This field is used to  
make the association. Give the  
rdbc & passives map  
descriptors associated with the  
rdbc the same value (any  
number) and give the wrbc and  
its passive map descriptors  
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Driver Manual  
another value for DA_Assoc.  
Da_Freq  
Used only for connection to  
DART’s.  
Specify in milliseconds the  
interval at which you want a  
wrbc/rdbc map descriptor to be  
executed.  
When using wrbc/rdbc’s to a  
dart device set the scan interval  
to 5.0s and set this parameter to  
a number greater than 180000  
(3 minutes). An interval of  
300000 (5 minutes is  
recommended).  
DA_MethodY  
DA_BytcntY  
Specifies the extraction method. See section 6.3 for a list of  
Such as Hex-ASCII to decimal  
number in 10's of a degree,  
Specifies the number of bytes  
that are to be processed by the  
method specified above. For  
method#6 which processes an  
array of elements the  
possible values.  
>= 1  
DA_Bytcnt specifies the  
number of bytes that constitute  
each element of the array.  
An offset into the data  
DA_OffsetY  
0 to the length of the data  
composite that is returned when composite. No validation is  
the slave is polled. The offset is performed.  
the number of bytes from the  
first data byte.  
DA_ElecntY  
Number of elements that are  
produces by the extraction  
method.  
>= 1  
Y :  
These parameters are only required for custom data extractions not provided for with DA_Field  
parameter.  
6.1.1 DA_Func Parameter - Permitted values.  
The driver supports a limited subset of the Dart Poll & Response Functions. The selection  
of the sub-set is based on the identification of useful & practical functions.  
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IN addition to the ‘Everything’ keyword indicated in chapter 4 the following specific  
query functions are implemented.  
Func. Description  
Driver Parameter  
Protocol Id.  
‘1’  
‘2’  
'3'  
DART Config Query DA_Func = dart-config  
49  
Dart Psswd Query  
DAP Config Command DA_Func = dap-config  
DA_Func = dart-password  
50  
51  
52  
53  
54  
55  
56  
65  
66  
67  
68  
69  
71  
72  
'4'  
DAP Log Query  
DA_Func = dap-log  
'5'  
DAP Unit-Type Query DA_Func = dap-unit  
'6'  
'7'  
'8'  
'A'  
'B'  
'C'  
‘D”  
'E'  
'G'  
'H'  
DAP Stat Query  
DAP Xtra Query  
DAP Menu Query  
Chiller Stat Query  
Chiller Xtra Query  
Chiller Menu Query  
Dart Status  
DAP80 Menu Query DA_Func = dap80-menu  
DAP Analog Query DA_Func = dap80-analog  
DAP Channels Query DA_Func = dap80_channles  
DA_Func = dap-stat  
DA_Func = dap-xtra  
DA_Func = dap-menu  
DA_Func = chiller-stat  
DA_Func = chiller-xtra  
DA_Func = chiller-menu  
DA_Func = dart-status  
Each of the above queries returns a complex set of data consisting of many sub-fields.  
Contact Data-Aire for a complete listing of the data composite returned.  
The following special / diagnostic functions are also implemented.  
Driver Parameter  
DA_Func = All-Listen  
DA_Func = Ack  
Protocol Id.  
11  
6
DA_Func = Dart-Transparant  
DA_Func = Dart-Opaque  
DA_Func = Test-Echo  
DA_Func = Test-No-Echo  
DA_Func = Unit-Talk  
2
3
16  
15  
13  
With the exception of the Unit-Talk command, these are nodeless commands.  
When using any of these special commands no other DA_* fields need be specified.  
The operation of these functions is as follows ;  
All-Listen instructs the all units in the network to switch their relays to the listen position.  
Those units already in the listen position will do nothing. Those in the talk position will  
first echo the all-listen command and then switch their relays to the listen position. A  
pause of 0.15 seconds is required after the transmission of this command, to allow the  
units time to switch their mechanical relays.  
6.1.2 DA_Field Parameter - Permitted values.  
Legal values depend on the value of DA_Func.  
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Description  
DA_Field Legal  
Values  
Data Format  
DA_Func  
All  
The whole data record returned by the  
slave is stored in the data array byte for  
byte. The number of bytes written is  
dependent of the DA_Func.  
Bytes  
DA_Func=dart-password Bytes =231  
DA_Func=dart-config  
DA_Func=dap-config  
DA_Func=dap-log  
DA_Func=dap-unit  
DA_Func=dap-stat  
DA_Func=dap-xtra  
DA_Func=dap-menu  
Bytes =41  
Bytes =4  
Bytes =240  
Bytes =1  
Bytes =68  
Bytes =124  
Bytes =103  
DA_Func=chiller-stat Bytes =54  
DA_Func=chiller-xtra Bytes =104  
DA_Func=chiller-menu Bytes =89  
DA_Func=dap80-menu  
Bytes =138  
DA_Func=dart-status Bytes = 9  
DA_Func=dap80-analog Bytes =36  
DA_Func=dap80-channels Bytes=12  
Special  
Indicates that a user defined extraction is  
specified in the map descriptor.  
When this value is specified as the  
DA_Field value then  
DA_Method,DA_Bytcnt,DA_Offset,DA_  
Elecnt must also be specfied.  
See Table 4.4.5.1 for all  
other keywords.  
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6.1.3 DA_Method Parameter Values and Notes  
The DA_Method specifies a method for interpreting a range of bytes when the DA_Field=special.  
Method 1:  
Each byte is valid when its contains only one of the following ASCII characters.  
{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F }  
Each byte being parsed is considered to be a hexadecimal digit. The most significant digit is the  
left most byte.  
Thus the four bytes  
30 31 32 33 (hex) are interpreted by regarding the ASCII value of each byte as a hexadecimal  
digit. Thus we interpret the 4 bytes as the hexadecimal number 0123 and the decimal value is  
equal to 291.  
Method 2  
This method is the same as method one but is used for humidity's and temperatures which are  
transmitted as the number of tenths of a unit.  
Thus in the example of method 1. The 4 bytes yield the decimal number 29.1 °F/%.  
Method 3  
Each byte is regarded as containing a hexadecimal digit in ASCII format.  
Example: incoming byte contains 41(hex). -> regard as the hexadecimal digit 'A' in ASCII  
format.  
The method then converts the hex digit to a series of 8 bits. In this example the bits are 00001010  
with the msb being the left most.  
Method 4  
Each byte is regarded as containing a hexadecimal digit in ASCII format.  
Example: incoming byte contains 41(hex). -> regard as the hexadecimal digit 'A' in ASCII  
format. The decimal value of the this digit is written to the data array. In this example the number  
10 would be written to the data array.  
Method 5  
There is no translation. The raw bytes are written to the data array.  
Method 6  
Processes an array of elements using method 1 translation. The raw data being parsed is  
considered to consist of DA_elecnt elements each consisting of DA_bytecnt bytes. Method 1 is  
applied to each cluster of bytes.  
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6.1.4 Advanced Example 1 :  
Map_Descriptor_Name, Data_Array_Name, Data_Array_Offset, Function, node_name, Address, Length, DA_Func, DA_Field, Scan_Interval  
A1,  
A2,  
A3,  
A4,  
A5,  
A6,  
A7,  
DA_AI3,  
DA_AI3,  
DA_AI3,  
DA_AI3,  
DA_AI3,  
DA_AI2,  
DA_AI2,  
0,  
1,  
2,  
3,  
4,  
0,  
1,  
rdbc,  
Node_A, 0,  
1 ,  
1 ,  
1,  
1 ,  
1 ,  
1 ,  
1 ,  
dap-stat,  
dap-stat,  
dap-stat,  
dap-stat,  
dap-stat,  
dap-stat,  
dap-stat,  
temp  
hum  
d_temp  
hiTemp  
loTemp  
cs_on  
hs_on  
,5  
,5  
,5  
,5  
,5  
,5  
,5  
passive, Node_A, 0,  
passive, Node_A, 0,  
passive, Node_A, 0,  
passive, Node_A, 0,  
passive, Node_A, 0,  
passive, Node_A, 0,  
It would be  
sensible for  
All these map  
All these map  
descriptors read  
their data from  
the same slave.  
Slave is a DAP  
and we are  
reading status  
information.  
These  
The scan time  
is only  
important for  
the active map  
descriptor.  
descriptors address  
Node_a therefore  
only one map  
descriptor needs to  
read (rdbc) the node.  
The remaining map  
descriptors can be  
passive (thus  
parameters need  
to be typed in  
exactly as  
specified in this  
manual. They  
are case  
DA_AI3 to be an  
array of FLOATs  
because the temps  
and humidity’s  
return real  
numbers with one  
digit after the  
decimal point.  
sensitive.  
optimizing  
communications.)  
The format of  
the data  
extracted  
depends on the  
parameter.  
DA_AI2 could be  
any type of array  
other than BIT  
because the values  
returned for these  
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6.1.5 AdvancedExample 2  
The DAP-II Status query returns 14 bytes of errors & status information. The arrangement and meaning of these bytes is defined by the Data Aire  
Corporation and is also dependent on the type of DAPII module being polled.  
Map_Descriptor_Name, Data_Array_Name, Data_Array_Offset, Function, node_name, Address, Length, DA_Func, DA_Field, Scan_Interval  
A1,  
A2,  
DA_AI1,  
DA_DI1,  
0,  
1,  
rdbc,  
Node_A,  
0,  
1 ,  
1 ,  
dap-stat, errors  
dap-stat, bitErrors  
,5  
,5  
passive, Node_A, 0,  
The 'errors' key  
word returns 14  
bytes, thus we  
DA_AI1 should be  
a BYTE array.  
Each byte will  
have values 0-15  
to represent the  
value of the bits in  
each byte.  
Slave is a DAP  
and we are  
reading status  
information.  
BitErrors is a synonym for errors. The  
data is extracted using a different data  
format.  
Data arrangement and meaning of each  
error is defined by Data Aire Corp.  
Example: Bit 24 is a LOW TEMP  
The bitErrors  
extracts the same  
data from the DAP  
but presents it as a  
series of 14x8 bits.  
Thus make  
WARNING for DAPII-044/8/9 units.  
Example: Bit 09 is a HUMIDITY  
SENSOR PROBLEM for a DAPII-080  
unit.  
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6.1.6 Advanced Map Descriptor: Example 3 - Using the 'special' parameter.  
Map_Descriptor_Name, Data_Array_Name, Data_Array_Offset, Function, node_name, Address, Length, DA_Func, DA_Field, DA_Method  
,DA_Bytcnt, DA_Offset, DA_Elecnt Scan_Interval  
A1,  
DA_AI3,  
0,  
rdbc, Node_A,  
0,  
1 ,  
dap-stat,  
special,  
1
4,  
10,  
1,  
5
It would be  
sensible for  
DA_AI3 to be an  
array of FLOATs  
because extraction  
method(=1)  
You can use  
Performs a DAP  
status query  
From the data bytes  
returned by the slave,  
Once you use  
specials as rdbc  
and passive map  
descriptors.  
the parameter  
'special' you  
must specify the  
additional  
See table  
6.3  
for  
descriptions  
on how these  
extraction  
extract 4 bytes  
returns a floating  
point number.  
starting at  
byte 10  
and  
parameters.  
apply method 1  
methods work.  
to convert the bytes  
before writing them to  
the FieldServer data  
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6.1.7 Advanced Map Descriptor: Example 4 - Using the 'DA_Assoc' parameter.  
Map_Descriptor_Name, Data_Array_Name, Data_Array_Offset, Function, node_name, Address, Length, DA_Func, DA_Field,  
DA_Assoc, Scan_Interval  
A1,  
A2,  
A3,  
A4,  
A8,  
A9,  
DA_AI3,  
DA_AI3,  
DA_AI3,  
DA_AI3,  
DA_AI4,  
DA_AI4,  
0,  
1,  
2,  
3,  
0,  
1
rdbc,  
Node_A, 0,  
1 , dap80-menu, All  
,
1
1
1
1
2
2,  
,5  
,5  
,5  
,5  
,5  
5
passive, Node_A, 0,  
passive, Node_A, 0,  
passive, Node_A, 0,  
1 , dap80-menu, alrm_delay_1,  
1, dap80-menu, alrm_delay_2,  
1 , dap80-menu, alrm_delay_3,  
1 , dap80-menu, nom_h_setpt,  
1 , dap80-menu, t_setpt ,  
wrbc,  
Node_A, 0,  
passive, Node_A, 0,  
A 'Read' and some  
passive map  
descriptors to  
extract other data  
fields from the  
same read.  
DA_Assoc associates  
the passives with the  
correct active map  
descriptor.  
(optimizes  
communications)  
A 'Write' and a  
Potential  
Thus Map Descriptors  
A2,3,4 are associated  
with A1 because the  
value of DA_Assoc=1  
for all these map  
passive to the  
same node. This  
write will update  
two fields, the  
nom_h_setpt  
confusion for  
the FieldServer  
because the  
node and the  
DA_Func's are  
the same for all  
the map  
Read must precede  
the passive's.  
descriptors.  
and the t_setpt.  
Thus Map  
The write map  
desc. Must  
precede the  
descriptors.  
DescriptorsA89is  
associated with A8  
because the value of  
DA_Assoc=2 for both  
Solve this  
problem using  
DA_Assoc.  
passive.  
these map descriptors.  
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6.1.8 Map Descriptor: Example 5 - Using a special / diagnostic command.  
Map_Descrip tor_Name, Scan_Interval, Data_Array_Name  
, Data_Array_Offset, Function, node_name, Address, Length, DA_Func,  
A1,  
1.0s,  
UNUSED_ARRAY,  
0
, wrb , No_node, 0,  
1 , All-Listen,  
A data array must  
be associated with  
the map descriptor  
even though it will  
not be used. It  
may be any data  
type.  
This command  
is sent only  
Must connect this map descriptor to a node whose node_id is  
zero. For example.  
This is a special  
/ dianostic  
command. It  
causes a one  
byte message to  
once. If you  
need to do this  
periodically then  
change this to a  
wrbc.  
Nodes  
Node_Name, Node_ID, Protocol, Port  
Unit1,  
0,  
Daire, R1  
be sent.  
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6.2 Related Documents  
The driver as specified in this manual is based on Data Aire Poll and Response Protocol  
Revision 3.2 dated 4 Nov 1997.  
The driver is compliant with a later release of the specification Revision 3.7 - 21 JUN  
00.  
6.3 Troubleshooting Tips  
6.3.1 Bad Values  
In the event that the driver cannot correctly decode the raw bytes it will generally write an value  
which indicates bad data. In most cases the indicating value is -1 or 65535 (depending on data  
type). When setting bits for status fields the driver will not write new data to the array if the  
incoming byte is invalid. Look in the error log for indication of this type of problem.  
Example. Valid ASCII digits are 0..9,A..F. If a byte is being parsed and an hex digit is expected  
but not found then the driver considers this an errors and writes the bad value indication OR  
produces an error message when the bad value indication cannot be used.  
6.3.2 Dead Nodes  
When a node is absent or dies it is possible that the Dart may go idle and stop communicating  
with all other nodes. This problem is not related to the driver but to the Data Aire devices.  
6.3.3 Ignored Messages  
The driver reports ignored messages. These are messages sent by a DAP/DART for which the  
driver cannot find a map descriptor to store the message. This does not mean the driver is not  
working. It means that a message which contains data that the driver/you are not interested in is  
being discarded.  
The current version of the driver ignores a few messages relating to the status of the DART  
device. Later versions of the driver will be capable of storing these messages and the number of  
ignored messages will decrease.  
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6.4 Writing data to Dap Devices  
The variables in a DAP device are not individually addressable. When a DAP device is read a  
data composite is returned. The driver extracts the data you require. When data is written to a  
DAP device it is not possible to write a value to one individual data element such as a  
temperature setpoint. Rather, the DAP devices requires the complete data composite (all its  
variables, states, settings) be written at once. This makes the setting of a setpoint a complex  
operation for the driver.  
It involves the following steps  
i. Read the device, obtain a complete set of data and store (internally in the driver.).  
ii. Use this stored data to form the basis for a write. Modify the data with the data  
the user wishes to set.  
iii. Write the modified data composite back to the DAP device.  
You can see that to complete a 'write' operation successfully, we must first read the device  
successfully. If the read has not been completed then the write operation will be abandoned. The  
driver prints messages to the error logs and records a NODE_OFFLINE stat each time that it  
attempts to write but is unable to.  
The DAP-Config command is an exception to the above notes. A read is not required. The Dap  
Config command is used to turn off/on DAP units. The Command uses two consecutive array  
elements. The first is the zone, the second is the inhibit command. Valid zones are 0-63.  
If any inhibit bit (bits 0-5) is set then the unit will not run. If bits 0 to 5 are off then the unit will  
run. Bits 6& 7 are used for display only on the DAP panel.  
0x01 - Inhibit Cooling  
0x02 - Inhibit Heating  
0x04 - Inhibit Humid  
0x08 - Inhibit Dehumidification  
0x10 - Inhibit fan  
0x20 - Reserved  
0x40 - Network Standby - Display on panel (only has no effect on unit)  
0x80 - Network off inhibit is active - display only - no effect on operation  
This function should be used as a wrbc/x. When the driver encounters this command it reads the  
associated data array, loads the two elements found at the array offset into the message and  
transmits the message. The driver does not set any data array elements to confirm that the  
command concluded successfully.  
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7
Revision Change Notices  
Revision Number Format Explained:  
1.05a Rev0  
Indicates Driver  
release this release  
of the manual  
Revisions to the manual. Each  
time that the driver release  
number changes the manual  
revision is set to zero.  
corresponds to.  
7.1 Rev1.06a-Rev0 Changes from previous releases  
This is the first release of this driver since its separation from a combined Dart/Dap driver.  
Previously this manual was identified as the “Data Aire user Manual Rev1.05a Rev2”  
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