GE Energy Management
TM
Maintenance Action Planner
LTC-MAP 2130 Monitor
Product Manual
Part No. 70055MP
Rev. D, February 3, 2000
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Copyright Information
Copyright Ó 2000 Reuter-Stokes, Inc. All rights reserved. This manual may
not, in whole or part, be copied, photocopied, reproduced, translated or
reduced to any electronic medium or machine readable form without prior
consent, in writing, from Reuter-Stokes, Inc.
The illustrations shown in this manual are intended solely to illustrate the
text of this manual. Because of the many variables and requirements
associated with any particular installation, Reuter-Stokes, Inc. cannot
assume responsibility or liability for actual use based upon the illustrative
uses and applications.
Trademarks
Warranty
LTC-MAP™, SAGE™, are trademarks of Reuter-Stokes, Inc.
Reuter-Stokes, Inc. warrants each of our products to be free from defects in
material or workmanship. Our obligation under this warranty is to repair or
replace, at our discretion, any product or part of a product that proves to be
defective upon examination within 18 months of the date of shipment, or 12
months from the date of startup, whichever occurs first. No other warranty
is expressed or implied. Reuter-Stokes, Inc. does not warrant that your
monitoring system will operate as described in this manual in every
environment.
Reuter-Stokes, Inc. has thoroughly tested the equipment and reviewed the
documentation. However, Reuter-Stokes, Inc. does not warrant the
performance of the products for for any particular purpose. In no event is
Reuter-Stokes, Inc. liable for any damage resulting, directly or indirectly,
from the use of this product.
THE EXPRESS WARRANTY SET FORTH ABOVE IS EXCLUSIVE, AND NO
OTHER WARRANTY OF ANY KIND, WHETHER STATUTORY, WRITTEN,
ORAL, EXPRESS, OR IMPLIED (INCLUDING WARRANTIES OF FITNESS FOR
PARTICULAR PURPOSE OR MERCHANTABILITY), SHALL APPLY.
Revision History
Revision Release Date
1.0
1.1
B
November 14, 1997
January 26, 1998
July 6, 1998, July 19,1999
October 14, 1999
C
D
February 3, 2000
February 3, 2000
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Table of Contents
Section 1: Introduction
Product Overview...................................................................................................................................................... 1-1
Specifications ........................................................................................................................................................... 1-3
Input................................................................................................................................................................... 1-3
General............................................................................................................................................................... 1-4
Electrical ........................................................................................................................................................... 1-5
Environmental................................................................................................................................................... 1-5
Physical Enclosure.......................................................................................................................................... 1-5
Available Options...................................................................................................................................................... 1-6
Typical Application.................................................................................................................................................. 1-7
Manual Conventions ................................................................................................................................................ 1-9
Product Labels .......................................................................................................................................................... 1-9
Section 2: Getting Started
Receiving Inspection................................................................................................................................................ 2-1
Customer Support/Service....................................................................................................................................... 2-1
Front Cover Layout.................................................................................................................................................... 2-2
Face Panel Layout .................................................................................................................................................... 2-3
Operating Conditions Button ............................................................................................................................. 2-4
Alarm Status & Settings Button......................................................................................................................... 2-4
Acknowledge Alarm Button................................................................................................................................ 2-4
LCD Display ........................................................................................................................................................... 2-5
Serial Port .............................................................................................................................................................. 2-5
Circuit Board Location............................................................................................................................................. 2-6
I/O Board ............................................................................................................................................................... 2-7
Power Supply Board ............................................................................................................................................ 2-8
CPU Board ............................................................................................................................................................. 2-9
Communications ..................................................................................................................................................... 2-10
Section 3: Installation
Selecting a Location ................................................................................................................................................ 3-1
Mounting the Monitor.............................................................................................................................................. 3-2
Cable Installation...................................................................................................................................................... 3-3
I/O Board Configuration Jumpers .......................................................................................................................... 3-4
Channel Configuration ........................................................................................................................................ 3-4
Modem Power Supply Configuration Jumper.................................................................................................. 3-5
Alarm Configuration Jumpers ............................................................................................................................ 3-6
Ground Jumpers ................................................................................................................................................... 3-6
Wiring ......................................................................................................................................................................... 3-7
Overview................................................................................................................................................................. 3-7
Wiring the Sensors............................................................................................................................................. 3-10
Wiring a Tap Position Indicator...................................................................................................................... 3-11
OEM Potentiometers ...................................................................................................................................... 3-11
After-Market.................................................................................................................................................... 3-16
Wiring the AC Voltage Inputs........................................................................................................................... 3-17
Wiring the AC Current Inputs ........................................................................................................................... 3-17
Wiring the Digital Inputs................................................................................................................................... 3-17
Wiring the Annunciator Outputs ..................................................................................................................... 3-18
Wiring the Internal Heater ................................................................................................................................ 3-19
Wiring Power....................................................................................................................................................... 3-19
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Establishing Communications .............................................................................................................................. 3-20
Serial Port Communications ............................................................................................................................. 3-21
Modem Communications .................................................................................................................................. 3-22
Initial Start Up ......................................................................................................................................................... 3-23
Calibrate Tap Position............................................................................................................................................ 3-24
Section 4: Operation
Overview ..................................................................................................................................................................... 4-1
Operating Conditions Button.................................................................................................................................. 4-1
Analog Channel Readings Screens................................................................................................................... 4-2
Digital Channel Readings Screens .................................................................................................................... 4-2
Tap Change Summary Screen ............................................................................................................................ 4-3
Alarm Status & Settings Button ............................................................................................................................. 4-5
LTC-MAP Status Screen ...................................................................................................................................... 4-5
Current Time and Date Screen............................................................................................................................ 4-6
Acknowledging Alarms ............................................................................................................................................ 4-6
Section 5: Troubleshooting Procedures
Appendix A: User-Specific Information Forms
Appendix B: Firmware Upgrades
Appendix C: Glossary of Terms
Index
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Section 1: Introduction
Product Overview
The LTC-MAP 2130 Monitor (Figure 1-1) is an on-line maintenance
action planner (MAP) for load tap changers (LTC). It continuously
monitors performance data from various types of sensors, such as
temperature and current. It stores this data in non-volatile memory for
downloading to a personal computer.
Figure 1-1: LTC-MAP 2130 Monitor
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1-2
Section 1: Introduction
LTC-MAP 2130 Monitor is a multi-input data storage and analysis
system. Each system features:
· Seventeen (17) analog input channels.
· Sixteen (16) digital input channels (via optional Control Isolator).
· One (1) serial port/modem line.
· Two annunciator relay outputs (form C contacts).
LTC-MAP 2130 uses state of the art technology to process, analyze,
and store data into a configurable profile. A built-in microprocessor
compares, computes, and relates stored data to set parameters.
Alarms are generated when data levels exceed the set parameters.
NOTE: Parameters are set via the SAGEä host software package.
Refer to the SAGEä Product Manual, Part No. 70057MP, for details
on parameter configuration and data retrieval and analysis.
Data profiles and alarm events are stored in non-volatile random-
access memory. The stored information is then downloaded to a
personal computer, either directly through the serial port or via an
optional modem. The SAGEä host software package allows data
retrieval and analysis.
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Section 1: Introduction
1-3
Specifications
Input
Seventeen (17) channels.
Analog
Channels 1 - 7
Input: 4 to 20 mA.
Sample rate: 150 Hz.
Channel 8
Input: ±10 VDC.
Sample rate: 150 Hz.
Channels 9-11
Configurable input:
· 4 to 20 mA with a sample rate of 150 Hz, or
· 5A AC (as monitored by a CT) with a sample rate of 1920
Hz.
Channel 12
Configurable input:
· 4 to 20 mA with a sample rate of 150 Hz, or
· 50A AC (as monitored by a CT) with a sample rate of
1920 Hz.
Channels 13-16
Configurable input:
· 4 to 20 mA with a sample rate of 150 Hz, or
· 120/240 VAC with a sample rate of 1920 Hz.
Channel 17
Configurable input:
· 4 to 20 mA with a sample rate of 150 Hz, or
· Signal conditioned with a sample rate of 1920 Hz.
Sixteen channels via two optional control isolators (eight
channels each).
Digital
Input: ±120/240 VAC.
Sample rate: 960z.
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1-4
Section 1: Introduction
General
Two dry-contact relay outputs for alarm indication.
Three LEDs:
POWER: When lit, indicates that the monitor is receiving
Relay Outputs
Front Panel
Indicators
power.
ALARM1: When lit, indicates that a software
configurable alarm has been activated; contact relay
driven.
ALARM2: When lit, indicates that a software
configurable alarm has been activated; contact relay
driven.
Front panel four line liquid crystal (LCD).
Resolution: 1 V, 1 A, 1 °C.
Display
Standard: RS-232-C serial port; DB-9 connector.
Communications
Optional: 14.4k bps modem, installed on the back left side of
the monitor base.
Type: Non-volatile, solid state RAM.
Data Storage
Controls
Capacity: Up to 128 K, based on configuration.
Mode: Revolving loop.
Averaging Interval: Configurable from 1 to 60 minutes.
Three front panel push buttons:
Operating Conditions: Used to display present operating
conditions.
Alarm Status & Settings:
Used to display present alarm status.
Acknowledge Alarm:
Used to deactivate alarm relays.
One CPU Board mounted push button:
SETUP: Used to initiate setup procedure for tap position
calibrations.
III.
Installation Category
Maintenance
Cleaning
No regular maintenance is required.
No regular cleaning is required.
No specific limit; however, intermittent operation is
undesirable and should be corrected as soon as
possible.
Intermittent
Operation
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Section 1: Introduction
1-5
Electrical
24 VDC @ 0.65A.
Fused (F1)
Sensor Power Supply
Power Input
Protection
Type: AGC3 instant blow.
Rating: 3A @ 250 V.
AC: Standard: 120 VAC +10/-15%AC, 50 - 60 Hz.
Power Input
Optional (factory set): 240 VAC +10/-15%AC, 50 - 60 Hz.
(Electrical Rating)
DC: 125 VDC +15%DC.
NOTE: Monitors supplied with internal heater option must
have AC power input.
Less than 16VA.
Power Consumption
Mains supply voltage must not exceed +10% of nominal
supply voltage.
Supply Voltage
Fluctuation
Environmental
Standard: 0°C to +60 °C (+32°F to +140 °F).
Operating
Temperature Range
With Heater Option: -40°C to +60 °C (-40°F to +140 °F).
4.
Pollution Degree
80%.
Maximum Relative
Humidity
2000m.
Maximum Altitude
Physical Enclosure
Stainless steel, weather-proof.
Material
Standard
NEMA Type 4.
12” (305 mm) x 12” (305 mm) x 6” (152 mm).
18 lbs. (8.16 kg); additional weight for accessories.
Dimensions
Weight
NOTE: Specifications subject to change without notice.
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1-6
Section 1: Introduction
Available Options
Available options for the LTC-MAP 2130 are listed in Table 1-1. Refer
to the applicable documentation for detailed information on the
available options.
Table 1-1: LTC-MAP 2130 Options
Option
Part No.
Description/Function
Magnetic Mount RTD
Temperature Sensor
30000MP
Attaches magnetically to the transformer; has a built-in
4-20 ma transmitter.
Refer to Document No. 70063MP for more information.
RTD Transmitter
T821028
Connects to an insertion-type temperature sensor and
transmits a 4-20 mA signal back to the monitor.
Refer to Document No. 70064MP for more information.
Clips onto a transformer lead and detects load current.
Refer to Document No. 70059MP for more information.
Clamp-On AC Current
(CT) Sensor
T821026
Control Isolator
40041MP
Optically isolates the monitoring system from the transformer
controls.
Refer to Document No. 70062MP for more information.
Combustible Gas Sensor
Moisture Sensor
10384MP
T801074
Measures hydrogen and hydrocarbon levels in the insulating
oil.
Measures moisture levels in the insulating oil.
Refer to Document No. 70065MP for more information.
Eight Line Phone
Multiplexer
40047MPA
40047MPB
20046MP
Allows up to eight monitors (with installed modems) to be
connected to a single phone line for data transmission.
Refer to Document No. 70061MP for more information.
Fifteen Line Phone
Multiplexer
Allows up to fifteen monitors (with installed modems) to be
connected to a single phone line for data transmission.
Refer to Document No. 70061MP for more information.
14.4k bps Modem
Installed in the monitor; allows transfer of data and
configuration parameters over a telephone line to an off-site
PC.
Refer to Document No. 70058MP for more information.
Provides tools for parameter configuration, parameter
calibration, data retrieval, and data analysis.
Refer to Document No. 70057MP for more information.
SAGEä Host Software
SAGEä
Package
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Section 1: Introduction
1-7
Typical Application
A transformer utilizing an LTC-MAP 2130 monitor is illustrated in Figure
1-2. The monitor is mounted on the transformer. Analog sensors
mounted on the transformer are connected to the monitor. Refer to the
example typical wiring diagram in Section 3 to determine specific
sensor input connections.
Figure 1-2: Typical LTC-MAP 2130 Application
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1-8
Section 1: Introduction
A typical system may include several monitors, one for each
transformer at the site, multiplexed together. The multiplexer is
typically located at the on-site substation. (See Figure 1-3). Data from
all monitors on site may then be downloaded to a remote personal
computer (PC). SAGEä host software installed on the PC allows for
data retrieval and analysis.
Figure 1-3: Typical System
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Section 1: Introduction
1-9
Manual Conventions
This manual provides the information you will need to install, operate,
and maintain the LTC-MAP 2130 Monitor.
Throughout this manual CAUTIONS, WARNINGS, and NOTES are
provided.
CAUTION: Indicates a potentially hazardous situation which, if not
avoided, may result in minor or moderate injury.
WARNING: Indicates a potentially hazardous situation which, if not
avoided, may result in death or serious injury.
NOTE: Contains supplemental information.
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Section 2: Getting Started
Receiving Inspection
On receipt of the LTC-MAP 2130 Monitor:
1. Carefully inspect the packing containers and contents for physical
damage.
2. Carefully unpack the monitor, checking that all items listed on the
packing slip are present and in good condition.
NOTE: If damage is evident, or any items are missing, contact
Support Services at (330-425-3755) for further instructions.
Customer Support/Service
For service or support for your LTC-MAP 2130 Monitor, contact:
Field Service/Customer Support Department
Reuter-Stokes, Inc.
Edison Park
GE Syprotec
179 Boulevard Brunswick
Pointe-Claire, Quebec H9R 5N2
Canada
8499 Darrow Rd.
Twinsburg, OH 44087
PH: 330-425-3755
FAX: 330-425-1812
PH: 514-694-3637
FAX: 514-694-9245
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2-2
Section 2: Getting Started
Front Cover Layout
There are three indicator lights on the front cover of the LTC-MAP 2130
Monitor (see Figure 2-1):
·
·
·
The yellow POWER indicator illuminates whenever the monitor is
receiving power.
The red ALARM1 indicator illuminates whenever a configured
contact relay alarm is activated.
The red ALARM2 indicator illuminates whenever a configured
contact relay alarm is activated.
The fasteners on the right side of the front cover allow access to the
inside face panel of the monitor.
Figure 2-1: LTC-MAP 2130 Monitor (Front Cover)
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Section 2: Getting Started
2-3
Face Panel Layout
The face panel is accessed by releasing the fasteners on the right side
of the front cover. The front panel features (see Figure 2-2):
·
·
·
·
·
A four-line LCD display.
Operating Conditions button.
Alarm Status & Settings button.
Acknowledge Alarm button.
A serial port.
Present operating conditions, alarm settings, and alarm status may be
viewed on the display by pressing the appropriate buttons.
The serial port allows direct connection, utilizing a null modem cable,
between the LTC-MAP 2130 and a portable computer for data transfer.
NOTE: A null modem cable is available from Reuter-Stokes (Part No.
10101MP).
The two thumb screws on the right side of the face panel provide
access to the CPU and I/O circuit boards.
Figure 2-2: LTC-MAP 2130 Monitor (Face Panel)
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2-4
Section 2: Getting Started
Operating Conditions Button
The Operating Conditions button is located directly below and left
aligned with the display. Pressing the Operating Conditions button
displays the sensor value readings. Four channels are displayed
simultaneously. The display includes:
·
·
·
·
Channel number.
Channel name.
Present reading.
Units.
After all sensor screens are displayed, pressing the Operating
Conditions button again displays the tap change summary screen.
During tap position calibration, the Operating Conditions button is used
to adjust settings.
Alarm Status & Settings Button
The Alarm Status & Settings button is located directly below and right
aligned with the display. Pressing Alarm Status & Settings displays
the monitor status and the date and time. If there are alarm conditions,
pressing Alarm Status & Settings scrolls through descriptions of alarm
conditions.
During tap position calibration, the Alarm Status & Settings button is
used to adjust settings.
Acknowledge Alarm Button
The Acknowledge Alarm button is located in the lower left corner of
the face panel. Pressing Acknowledge Alarm resets the alarm relay;
however, the indicator remains lit for the duration of the alarm
condition.
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Section 2: Getting Started
2-5
LCD Display
The LCD is a 20 character by 4 line display (Figure 2-3). It displays
operating and status conditions. Screens are scrolled through using
the Operating Conditions and Alarm Status & Settings buttons.
L T C - M A P
2 1 3 0
r e v 2 1 3 0 . x x . y y
c o p y r I g h t
( C )
1 9 9 7
< <
Operating
Conditions
Alarm Status
& Settings
Figure 2-3: Display with Control Buttons
Serial Port
CAUTION: The serial port and the modem cannot function
simultaneously. When using the serial port for communications, the
internal modem (if installed) must be disconnected at JP8; otherwise
the serial port will not function.
The serial port is a 9-pin male DB-9 connector. This port allows direct
connection, utilizing a null modem cable, between the LTC-MAP 2130
and a portable computer for data transfer. Data transfer rate is
19.2 kbps.
The serial port does not support dumb terminal operation. In order for
communications to take place:
·
A null modem cable must be installed between the monitor serial
port and personal computer serial port.
·
SAGEä host software must be installed on the personal computer.
NOTE: A null modem cable is available (Part No. 10101MP ).
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2-6
Section 2: Getting Started
Circuit Board Location
The CPU and I/O circuit boards are accessed by loosening the two
thumb screws on the right side of the face panel (see Figure 2-4).
The CPU circuit board is mounted to the back side of the face panel.
The I/O Circuit board is mounted to the inside rear panel of the Monitor
cabinet. The Power Supply board is mounted on the I/O Circuit board.
A ribbon cable connects the CPU and I/O circuit boards.
Figure 2-4: LTC-MAP 2130 (Top View with Face Panel Open)
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Section 2: Getting Started
2-7
I/O Board
The I/O Circuit board (Figure 2-5) contains sensor signal conditioning
circuitry and hardware to interface to the sensors mounted on the
transformer.
Alarm #2
Jumper
Alarm #1
Jumper
Power
Jumper
C11
J1
JP13
J2
J7
C4
J6
RN6
TP2
TP3
TP5
RN4
TP4
D
10
Q6
R101
Q5
R18
U2
D31
C19
13
RN2
RN1
R
100
R17
R15
U1
C33
U9
C34
U
J17
D9
D
28
C10
TP1 U6
C8
U5
D8
R6
R64
C31
J8
1 7
C16
R68
K3
C3
C2
R3
C12
12
C13
R67
C32
C
HANNEL
1 4 1 3 1 2 1 1 1 0
U7
C14
102
Q2
R70
R69
1
1 5 1 6
9
TP7
TP8
A
TP9
TP6
R
U
U11
Q4
D30
A
B
R24
D11
B
C23
JP9JP7 JP8
JP6 JP5 JP4 JP3 JP2 JP1
C7
C9
C24
R48
U10
K2
C22
Q1
R49
R16
C17
C18
C15
U3
C21
R20
U4
D
32
D
29
Q3
Sensor
Ground
MODEM VOLT
S
Q9
Q8
110
Q7
U14
R
108
R111
9 V
6 V
Q10
J4
R
109
R
J18 ANN1
NOR
R112
GT17
GT2
GT4
GT6
GT14
GT16
GT12
GT10
GT8
OPEN= 12V
INV
M
J19 ANN2
NOR
R113
MOV1
INV
M
K4
D3
D4
K1
C30
C1
GT
1
GT
3
GT
5
GT7
GT15
GT13
GT11
GT9
D
17
18
13
14
Ribbon Cable
Connector
(To CPU Board)
J10
D
D
J15
C20
R71
Y
J14
J16
D
RJ1
T
1
C27
EN
MOV5
GND
J12
C25
R44
R38
C
B
A
Annunciator
Inputs
U8
T2
Z9
J13
D1
D2
R7
R50
R53
COM
COM
Z13
8
1 7
R43
Z8
+
1 2
7
6
1 6
1 5
Control
Isolator
Inputs
MOV6
C6
REL
C26
R37
R8
R12
5
A3
A2
Y
1 4
1 3
1 2
1 1
Z10
R41
R99
4
3
2
J5
D
25
F1
Z12
R98
Voltage
Inputs
T3
EN
D24
C
B
A
MOV7
C5
C
B
1
1 0
9
R97
12
R92
16
C28
R39
R40
Z11
D
A
R42
Z14
D
+
1 2
T4
DIGITAL
ANALOG
1
ANALOG
2
CURRENT
J20
J9
VOLTAGE
Sensor
Inputs
Current
Inputs
Outside Phone
Line Connection
Internal Modem
Connection
Figure 2-5: I/O Circuit Board
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2-8
Section 2: Getting Started
Power Supply Board
The Power Supply circuit board (Figure 2-6) contains the low voltage
supplies, incoming power terminals, and the power fuse (F1) for the
monitor. F1 is a type AGC3 fuse, rated for 3 Amp at 250 V.
Figure 2-6: Power Supply Circuit Board
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Section 2: Getting Started
2-9
CPU Board
The CPU circuit board (Figure 2-7) contains the microprocessor (CPU),
LCD Display, front panel buttons, and serial port.
Figure 2-7: CPU Circuit Board
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2-10
Section 2: Getting Started
Communications
The SAGEä host software installed on a personal computer allows for
data retrieval and analysis. Communications with the LTC-MAP 2130
must be established in order to download data to the PC or upload
configuration information to the terminal. Communication between the
PC and the monitor can be established:
·
Directly via the front panel serial port and a null modem cable
to a personal computer running the SAGEä host software.
NOTE: SAGEä host software must be installed on the PC for
proper communication to take place. The front panel serial
port does not support dumb terminal operation.
·
Over phone lines using an optional modem installed inside the
monitor.
·
Over phone lines via a phone multiplexer installed in the
control house and connected to several LTC-MAP 2130
monitors. Refer to Document No. 70061MP for detailed
information on the phone multiplexers available from Reuter-
Stokes, Inc.
CAUTION: The serial port and the modem cannot function
simultaneously. When using the serial port for communications, the
internal modem (if installed) must be disconnected at J8; otherwise
the serial port will not function.
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Section 3: Installation
This Section includes procedures for installation, configuration, wiring,
setting up communications, and initial start-up of the LTC-MAP 2130
Monitor.
Selecting a Location
The LTC-MAP 2130 is enclosed in a weatherproof stainless steel box that
can be mounted indoors or outdoors. When selecting a mounting location
for the monitor, verify that:
·
The mounting surface is able to support a minimum of 25 pounds (11.3
kg).
·
The mounting surface allows ample space for mounting the stainless
steel box and allows for a 12-inch (305 mm) door clearance (see Figure
3-1).
·
·
·
·
Sensors are located nearby to minimize cable length.
Wiring and cables can access the monitor gland plate.
The face panel display is at a readable level.
An operating temperature of 0 ºC to +60 ºC (+32 ºF to +140 ºF) can be
maintained at the monitor location.
NOTE: With the heater option installed, an operating temperature of
-40 ºC to +º60 C (-40 ºF to +140 ºF) must be maintained at the
monitor location.
CAUTION: Select a mounting location that assures an operating
temperature of 0 ºC to +60 ºC (+32 ºF to +140 ºF), otherwise system operation
could be interrupted.
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3-2
Section 3: Installation
Mounting the Monitor
Secure the monitor to the selected location using four ¼-20# stainless
steels bolts through the mounting holes (see Figure 3-1).
½"
(12.7 mm)
1/4-20 UNF
(4PL.)
8" (203 mm)
Mounting
Holes
12"
(305 mm)
14"
(356 mm)
1 ½"
(38.1 mm)
½" (12.7 mm)
8" (203 mm)
Front Door Clearance -- 12" (305 mm)
Figure 3-1: LTC-MAP 2130 Monitor Mounting Dimensions
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Section 3: Installation
3-3
Cable Installation
After securely mounting the LTC-MAP 2130 monitor, route the input and
output cables back to the gland plate.
CAUTION: Do not apply power to the LTC-MAP 2130 until all input and
output cables are connected.
The removable gland plate on the bottom of the LTC-MAP 2130 Monitor has
pre-punched conduit holes (see Figure 3-2) and strain relief cable
connectors. Weep holes are provided to allow drainage of excess
moisture.
Additional holes can be drilled into the gland plate if required. Remove the
plate by removing the two nuts and washers securing it to the monitor. The
nuts are accessed from inside the monitor.
CAUTION: Do not drill additional holes into the gland plate while it is installed
on the monitor. Metal chips can damage the circuit boards.
1.25"
(31.8 mm)
.875"
22.2 mm
4.194"
(106 mm)
1"
(25.4 mm)
10.25" (260 mm)
Strain Relief Connector
Weep Holes
Figure 3-2: Gland Plate
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3-4
Section 3: Installation
I/O Board Configuration Jumpers
The I/O board configuration jumpers allow you to customize the LTC-MAP
2130 monitor to your application’s specific sensor (channel type input),
alarm, and modem requirements.
Channel Configuration
Channels 9 through 12 are configurable for a 4-20 mA sensor input or a
5A/50A current input (as monitored through a CT). Channels 13 through 16
are configurable for a 4-20 mA sensor input or a voltage input. Refer to
Table 3-1 for specific jumper numbers and positions for each channel.
Refer to Figure 3-3 for A and B jumper positions.
Channel
Configuration
Jumpers
JP13
C4
J1
J7
J3
J6
TP2
TP3
RN6
C3
+
JP13
RN1
U9
C2
+
J2
J17
U1
J8
17
C1
+
Z1
C12
CHANNEL
U7
C4
1
15 16
14 13 12 11 10
9
A
B
TP9
TP6
A
B
JP9 JP7 JP8
JP6 JP5 JP4 JP3 JP2 JP1
J2 MOV1
J1
U2
C17
J.W.HARLEY INC.
LINE NEUT
20065MPA
ASSY NO.
20065MPB
POWER
U3
Q9
MODEM VOLTS
Q8
Q7
U14
R108
R111
R112
R113
9V
6V
Q10
R109 R110
J18 ANN1
GT12
GT4
GT6
GT14 GT16
GT10
GT8
OEN
=
12V
INV
NORM
J19 ANN2
INV
NORM
K4
D3
K1
C30
JP14
JP10
Modem Power Supply
Configuration Jumper
(JP12)
Annunciator (Alarm)
Configuration Jumpers
(JP18 and JP19)
Figure 3-3: I/O Board Configuration Jumper Locations
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Section 3: Installation
3-5
Table 3-1: Channel Configuration Jumpers and Positions
Jumper
Position
Selected Input
JP1
JP2
JP3
JP4
JP5
JP6
JP7
JP8
JP9
A
B
A
B
A
B
A
B
A
B
A
B
A
B
A
B
A
B
5A (CT) Current Input A.
4-20 mA Sensor Input #9.
5A (CT) Current Input B.
4-20 mA Sensor Input #10.
5A (CT) Current Input C.
4-20 mA Sensor Input #11.
50 A (CT) Motor Current.
4-20 mA Sensor Input #12.
Voltage Input 1.
4-20 mA Sensor Input #13.
Voltage Input 2.
4-20 mA Sensor Input #14.
Voltage Input 3.
4-20 mA Sensor Input #15.
Voltage Input 4.
4-20 mA Sensor Input #16.
Temperature Inside the monitor.
4-20 mA Sensor Input #1.
Modem Power Supply Configuration Jumper
Jumper JP12 sets the modem power supply. Refer to Table 3-2 for jumper
positions.
NOTE: Refer to the modem specifications to determine the modem power
supply requirements. Refer to Figure 3-3 for jumper location.
Table 3-2: Modem Power Supply Configuration (JP12)
JP12 Position
1-2
Selected Modem Power Supply
6 VDC
9 VDC
12 VDC
2-3
No Jumper
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3-6
Section 3: Installation
Alarm Configuration Jumpers
Jumpers JP18 and JP19 set the annunciator relay outputs to normal or
inverted. Jumper JP13 configures the Acknowledge Alarm button. Refer to
Table 3-3 for jumper positions. Refer to Figure 3-3 for jumper locations.
NOTE:JP13 must always be installed.
Table 3-3: Alarm Configuration
Jumper
Position
Description
JP18
INV
NORM
INV
NORM
Installed
Removed
Annunciator 1 Output Inverted.
Annunciator 1 Output Normal.
Annunciator 2 Output Inverted.
Annunciator 2 Output Normal.
Configures the Alarm Acknowledge button for use.
Not applicable.
JP19
JP13
Ground Jumpers
Jumpers JP10 and JP14, when installed, are set to earth ground. These
jumpers must always be installed for accurate and safe operation.
WARNING: Jumpers JP10 and JP14 must always be installed for accurate
and safe monitor operation.
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Section 3: Installation
3-7
Wiring
Overview
Prior to starting any wiring procedures:
Pull the power fuse (F1) on the Power Supply board.
Securely ground the LTC-MAP 2130 at the ground lug.
·
CAUTION: Pull the power board fuses or remove F1 on the I/O board before
making connections.
WARNING: The LTC-MAP 2130 Monitor must be properly grounded before
placing the unit in service. An improper or missing ground can create a
safety hazard.
Refer to Figure 3-4 for fuse and ground lug locations.
LTC-MAP 2130 wiring consists of:
·
·
·
·
·
·
·
·
Wiring the sensors.
Wiring a tap position indicator (if used).
Wiring the AC current inputs.
Wiring the AC voltage inputs.
Wiring the digital inputs.
Wiring the annunciator outputs.
Wiring the internal heater.
Wiring power.
Refer to Figure 3-4 for I/O Board Terminal Locations. Refer to Figure 3-5 for
an example of a typical wiring diagram.
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3-8
Section 3: Installation
C11
J1
JP13
J2
J7
C
4
J3
J6
TP2
TP3
D10
R1 8
R1 7
R1 5
RN6
C3
+
U2
Power Fuse
Type ADC2
RN1
U9
C2
+
J17
C10
C
8
U1
TP1 U6
U5
J8
17
C1
+
Z1
C16
R6 8
Rated for 3A @ 250 V
C12
R6 7
CHANNEL
14 13 12 11 10
U7
C4
1
15 16
9
R7 0
R6 9
A
B
TP9
TP6
A
B
JP9 JP7 JP8
JP6 JP5 JP4 JP3 JP2 JP1
C
7
J2
MOV1
J1
U2
Power
Input
C17
C
9
U4
J.W.HARLEY INC.
LINE NEUT
POWER
Sensor Ground
1/4-20 Stud
20065MPA
ASSY NO.
20065MPB
U3
MODEM VOLTS
9V
6V
Q
9
Q
8
Q
7
U1 4
R108
R109
R111
R112
Q10
J4
R110
J18 ANN1
NORM
GT17
G T2
G T4
G T6
GT14
GT16
GT12
GT10
G T8
O PEN
MOV1
=
1 2 V
INV
J19
ANN2
NORM
R113
Annunciator
Outputs
INV
K4
D3
C30
C
1
K1
D4
G T1
G T3
G T5
Y
G T7
GT15
GT13
GT11
J16
G T9
D17
J10
D18
J15
C20
D13
D14
R7 1
J14
T
1
C27
RJ1
EN
C
GND
MOV5
MOV6
MOV7
J12
R4 4
C25
C26
C28
First Control
R3 8
Z9
B
A
U8
T2
J13
D1
D2
R7
R5 0
R5 3
R8
Isolator Input
Z13
COM
8
7
17
R4 3
+
12
16
C
6
Z8
REL
A3
6
5
4
15
14
13
Voltage
Inputs
R3 7
COM
R1 2
Z
10
R4 1
12
A2
R9 9
D25
J5
5
F1
Z
Y
EN
C
3
2
1
12
11
10
R9 8
D24
R9 7
T3
C
B
A
C
R3 9
R4 0
B
A
9
Second Control
Isolator Input
D12
Z
11
R4 2
14
R9 2
D16
Z
+
12
T4
DIGITAL ANALOG
1
ANALOG
2
CURRENT
J20
VOLTAGE
J9
Heater Power
Input
Sensor
Inputs 1-8
Internal Modem
Connection
Configurable
Sensor Inputs 9-16
Current
Inputs
Ground Lug
External Phone
Line Connection
Figure 3-4: Fuse, Input Terminals, and Ground Locations
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Section 3: Installation
3-9
Figure 3-5: Example of a Typical Wiring Diagram for the LTC-MAP 2130
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3-10
Section 3: Installation
Wiring the Sensors
Refer to Table 1-1 for a list of sensors available for use with the
LTC-MAP 2130 Monitor. Detailed installation information for each sensor is
provided in the referenced documentation.
Some general notes to consider during sensor selection and installation:
·
·
·
Thermowell RTD sensors require a signal conditioning transmitter to
provide a 4-20 mA output to the monitor.
Figure 3-4 provides Sensor and Input Connection locations on the I/O
board.
We recommend using #18 AWG shielded, twisted pair wire for sensor
input connections to the I/O board, unless stated otherwise in the
documentation provided with the sensor. Use of shielded twisted pair
improves noise immunity; the shield should be grounded at one end
only.
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Section 3: Installation
3-11
Wiring a Tap Position Indicator
OEM Potentiometers
The OEM potentiometer is a voltage divider containing a resistor string.
Each position on the string represents a tap position. In the examples in
this Section, the potentiometers have thirty three positions containing thirty
two 40-ohm resistors. The actual number of positions and number and
values of resistors may be different on your potentiometer.
The power supplied to the OEM potentiometer depends on the utility. The
variations include:
·
·
·
-5 to +5 VDC or -10 to +10 VDC.
0 to +5 VDC or 0 to +10 VDC.
No voltage (connect with LTC-MAP power).
Determine the voltage across your potentiometer and follow the
appropriate wiring instructions.
In general, two signals are utilized between the OEM potentiometer and the
LTC-MAP. The signal is a linearly varying DC voltage (+10 V maximum).
For proper tap position recording by the LTC-MAP, the linearly varying DC
voltage from the OEM potentiometer must have a uniform increment for
each tap position. For example, a potentiometer used for a 33 tap device
(16 lower, 16 raise, and neutral) with a 10 Volt drop across the entire bridge
must show a 10V/32 = 0.3125 V change per tap step on the potentiometer
wiper.
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3-12
Section 3: Installation
0 to +5 VDC or 0 to +10 VDC Power
Connect the OEM potentiometer to the LTC-MAP Circuit Board, as follows
(refer to Figure 3-6):
1. Connect the OEM Potentiometer Wiper to Sensor Input #8.
2. Connect the OEM Potentiometer 0 VDC Common Point to Sensor
Common.
Figure 3-6: Typical OEM Potentiometer with 0 to +5 VDC Power
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Section 3: Installation
3-13
-5 to +5 VDC or -10 to +10 VDC Power
Connect the OEM potentiometer to the LTC-MAP Circuit Board, as follows
(refer to Figure 3-7):
1. Connect the OEM Potentiometer Wiper to Sensor Input #8.
2. Connect the OEM Potentiometer Center Pointto the Sensor Common.
Figure 3-7: Typical OEM Potentiometer with -5 to +5 VDC Power
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3-14
Section 3: Installation
LTC-MAP Power
OEM potentiometers that are not powered require power from the LTC-
MAP’s 24 VDC Sensor Power Supply. To use the LTC-MAP supply, you
must:
·
·
·
Select a Voltage Drop Resistor (R ).
d
Connect the Power Supply wires to the OEM Potentiometer.
Connect the wires at the Monitor Circuit board.
In order to use this power, you must first calculate the value of the required
voltage drop resistor (R ). The voltage drop resistor limits the current and
d
voltage across the potentiometer (see Figure 3-8).
Figure 3-8: Typical OEM Potentiometer Powered by LTC-MAP
To calculate Rd:
1. Determine the value and number of resistors in the potentiometer.
NOTE:LTC-MAP can accommodate any value or number of tap
position resistors.
2. Calculate the String Resistance (Rs) where:
Rs = (Resistor Value) x (Number of Resistors).
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Section 3: Installation
3. Calculate the Voltage Drop Resistor value (Rd):
3-15
R = R x 1.4.
d
s
4. Select a voltage drop resistor as follows:
Resistance: first standard value greater than the Rd.
Power rating: 2 watts.
Tolerance: 5% or less
As an example, consider a potentiometer with thirty-two 40 ohm
resistors. The calculated string resistance would be:
R = (40 ohms) x (32 Resistors) - 1280 ohms.
s
And
R = R x 1.4 = 1280 x 1.4 = 1792 ohms.
d
s
The next standard resistor value greater than 1792 is 1800 ohms.
Therefore, the selected voltage drop resistor should be an 1800 ohm,
5%, 2 watt resistor.
Connect the wires to the OEM Potentiometer as follows:
1. Connect the designated positive point lead to the OEM Potentiometer
Positive Point.
2. Connect the designated common point lead to the OEM Potentiometer
Common Point.
3. Connect the designated wiper lead to the OEM Potentiometer Wiper.
Connect the wires to the circuit board as follows:
1. Connect one end of the Voltage Drop Resistor (V ) to a sensor power
d
supply terminal.
2. Connect the positive point lead to the other end of the Voltage Drop
Resistor (V ).
d
3. Connect the common point lead to the designated Sensor Common
terminal.
4. Connect the wiper lead to Sensor Input #8.
NOTE:Tap Position must be calibrated to operate correctly (see Calibrate
Tap Position).
CAUTION: The positive lead must be connected to Sensor Input #5 and the
negative lead to Sensor Common. Failure to comply can damage the LTC-
MAP.
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3-16
Section 3: Installation
After-Market
Use the following procedure to wire an After-Market Tap Position Indicator.
1. Verify that the signal output is one of the following:
·
·
·
·
- 5V to + +5 VDC
-10 to + 10 VDC,
0 to +5 VDC, or
0 to +10 VDC.
2. Connect the signal outputto Sensor Input #8.
3. Connect the signal reference to a Sensor Common Terminal.
NOTE:Tap Position must be calibrated to operate correctly (see Calibrate
Tap Position).
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Section 3: Installation
3-17
Wiring the AC Voltage Inputs
Connect voltage signals to the designated terminals (Voltage Input #1, #2,
#3, #4) on the wiring and installation diagrams. Refer to Figure 3-5 for
terminal location.
NOTE:The signal specification range for Voltage Inputs #1, #2, #3, and #4
are 0 to 300 Vrms. If your signal input is different, contact Support Services
as noted on back cover.
Wiring the AC Current Inputs
There are two types of current inputs - powered CT and unpowered CT
(e.g., Clamp On AC Current Transducer).
Connections for unpowered CT’s are not polarity sensitive. Connect the CT
between the A, B, or C Current terminals (refer to Figures 3-4 and 3-5).
Connections for powered (active) CT’s are polarity sensitive. Refer to
information on the active CT’s connection points for proper polarity.
Wiring the Digital Inputs
The LTC-MAP 2130 monitor collects output data from the Control Isolator at
the digital inputs. (See Figure 3-4 for Control Isolator Inputterminal
locations.)
NOTE:Refer to Document No. 70062MP for specific information on
the Control Isolator, Part No. 40041MP.
1. Mount the Control Isolator(s) per the guidelines provided in the
documentation provided with the Control Isolator.
NOTE:The control Isolators are provided with a 10 foot cable;
therefore, when selecting a mounting location, be sure it is within 10
feet of the monitor.
2. Connect the output cable of the Control Isolator to the First Control
Isolator Input (digital channels 1-8) as designated on the wiring and
installation diagrams.
3. If there is a second Control isolator installed, connect the output cable
of the Control Isolator to the Second Control Isolator Input (digital
channels 9-16) as designated on the wiring and installation diagrams.
NOTE:If only one Control Isolator is installed, it must be connected to the
First Control Isolator input terminals on the I/O board.
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3-18
Section 3: Installation
Wiring the Annunciator Outputs
Wire the alarms by connecting the alarm activation signalto the Alarm
normally opened or Alarm normally closed contacts. Refer to Figure 3-5 for
Alarm Contact (Annunciator Output) locations.
NOTE:The signal specification range for the Alarm Inputs are 120 VAC @ ¼
HP, 240 VAC @ 10 A, or 150 VDC @ 10 A. If your signal is different, contact
Support Services as noted on back cover.
Be sure to configure the alarm jumpers (JP18 and JP19) for either normal or
inverted output as required by your application.
Figure 3-9: I/O Board Terminal Locations
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Section 3: Installation
3-19
Wiring the Internal Heater
The monitor’s internal heater requires 110 VAC power input. Refer to Figure
3-9 for Heater Terminal locations.
WARNING: Do not bridge the heater power terminals to the monitor power
supply terminals if DC is used to supply the monitor. The heater is AC only.
Wiring Power
The LTC-MAP 2130 is factory configured for either 120 VAC or 240 VAC
operation per the customer order. Refer to Figure 3-9 for the location of the
Power Input Terminals.
1. Connect the “hot” phase of the 120 or 210 power line to the LINE Power
Input Terminal.
2. Connect the neutral line to the NEUT Power Input Terminal.
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3-20
Section 3: Installation
Establishing Communications
The SAGEä host software installed on a personal computer allows for
data retrieval and analysis. Communications with the LTC-MAP 2130 must
be established in order to download data to the PC or upload configuration
information to the LTC-MAP. Communication between the PC and the
monitor can be established:
·
Directly via the front panel serial port and a null modem cable to a
personal computer running SAGEä .
NOTE: The SAGEä host software must be installed on the PC for
proper communication to take place. The front panel serial port
does not support dumb terminal operation.
·
Over phone lines using an optional modem installed inside the
monitor.
·
Over phone lines via a phone multiplexer installed in the control
house and connected to several LTC-MAP 2130 monitors. Refer to
Document No. 70061MP for detailed information on the phone
multiplexers available from Reuter-Stokes.
CAUTION: The serial port and the modem cannot function simultaneously.
When using the serial port for communications, the internal modem (if
installed) must be disconnected at J8; otherwise the serial port will not
function.
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Section 3: Installation
3-21
Serial Port Communications
To establish communications via the front panel serial port:
1. Be sure the modem, if installed, is disconnected at J8.
2. Be sure the SAGEä host software is installed on the personal
computer.
3. Connect a null modem cable between the front panel serial port and the
serial port on the personal computer. See Figure 3-10 for serial port
location.
4. From within the SAGEä host software, set the serial port rate to 19200
bps.
Figure 3-10: Serial Port Location
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3-22
Section 3: Installation
Modem Communications
To establish communications via a modem:
1. If not already installed, mount the modem inside the monitor using the
supplied Velcroattachments.
2. Connect the modem per the instructions supplied with it.
See Figure 3-11 for modem mounting location and typical connections.
3. Set JP12 on the I/O board to select the modem power supply. Refer to
Modem Power Supply Configuration earlier in this section.
4. Be sure the serial port speed rate is set to 19200 bps (positions 3 and 4
on SW4 on the CPU board should be open).
Figure 3-11: Modem Location and Connections
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Section 3: Installation
3-23
Initial Start Up
1. Before applying power to the system, verify that:
· All sensors are mounted and connected properly.
· None of the wiring or cables are shorted.
· All connections follow the wiring and installation diagrams.
· All monitored input signals are within specified input ranges.
· Phone lines are properly connected to a phone multiplexer (if used).
WARNING: Check all wiring before applying power to the unit. Wiring
errors can damage the device and create a safety hazard.
2. Connect the power input wires to the 120 V AC/DC Power terminal.
3. Apply power to the monitor.
NOTE:Copyright information will be displayed for approximately
ten seconds. After that, the display will go blank.
L T C - M A P
2 1 3 0
r e v 2 1 3 0 . x x . y y
c o p y r I g h t
( C )
1 9 9 7
4. Configure and set system parameters using the SAGEä host software
package. (Refer to the SAGEä documentation for specific
procedures.)
5. Upload the SAGEä configuration files to the LTC-MAP, either through
the RS232 Serial port or via a modem. (Refer to the SAGEä
documentation for specific procedures.)
6. Verify the current date and time.
· Press the Alarm Status & Settings button two times or until the
Current Time and Current Date screen is displayed:
C u r r e n t
T i m e :
D a t e :
1 2 : 3 0 : 2 2
C u r r e n t
W e d
0 9 / 1 7 / 1 9 9 7
· If the time and date are incorrect, reset them using the procedures
outlined in the SAGEä documentation.
NOTE:The date and time must be set accurately to insure that LTC-
MAP 2130 properly acquires data.
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3-24
Section 3: Installation
Once power is applied, and configuration parameters have been uploaded
to the monitor, the monitor enters normal operation and begins monitoring
sensor and voltage inputs.
Refer to Section 4 - Operation for further operation procedures.
Calibrate Tap Position
1. Press the Setup button to display the Tap Position Input Calibration
Low Point screen.
T A P
P O S I T I O N
C A L I B R A T I O N
L O W P O I N T :
I N P U T
5
â
á
The Setup button is located on the upper left corner of back side the
CPU board.
2. Observe and record the actual tap position of the LTC at the TAP
Position Indicator.
3. Adjust the value of the low tap position calibration point to the value
observed in Step 2 by pressing â or á until the correct value is
displayed
4. Press Setup to display the Tap Position High Point Calibration screen.
T A P
P O S I T I O N
C A L I B R A T I O N
H I G H P O I N T :
I N P U T
6
â
á
5. Manually move the tap up one position.
6. Adjust the value of the high tap position calibration point up one
position from the low calibration point by pressing â or á until the
correct value is displayed.
7. Press Setup to exit the Calibration and return to normal operation.
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Section 4: Operation
Overview
Once power is applied, the LTC-MAP starts monitoring sensor, voltage,
current, and relay timing inputs. Monitoring functions continue
uninterrupted while operating conditions and alarm status & settings are
viewed and during system setup procedures. Channel readings, alarm
status, and current time and date as set from the SAGEä host software
package, can be viewed on the LTC-MAP Monitor display.
Refer to the SAGEä documentation for detailed channel configuration,
parameter setting procedures, and monitoring capabilities.
CAUTION: To keep the enclosure weatherproof, close and latch the door
when not using the LTC-MAP. Failure to comply can result in equipment
damage.
Operating Conditions Button
Operating conditions, including current analog and digital channel
readings and a tap change summary, are displayed by pressing the
Operating Conditions button.
· Pressing Operating Conditions during normal operation displays the first
Analog Channels Screen.
· Pressing Operating Conditions repeatedly during normal operation
continuously scrolls through the following screens:
· Analog Channels 1 through 4 Readings.
· Analog Channels 5 through 8 Readings.
· Analog Channels 9 through 12 Readings.
· Analog Channels 13 through 16 Readings.
· Analog Channel 17 Reading.
· Digital Channels 1 through 4 Readings.
· Digital Channels 5 through 9 Readings.
· Digital Channels 10 through 12 Readings.
· Digital Channels 13 through 16 Readings.
· Tap Change Summary.
· If Alarm Status & Settings is pressed while any one of the operating
condition screens is displayed, the Status screen is displayed.
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4-2
Section 4: Operation
Analog Channel Readings Screens
The Analog Channel Readings screens display up to four channels each
(see Figure 4-1). There is one line of display (20 columns) available for each
channel:
·
Columns 1 through 10 display the channel’s description as uploaded
from the SAGEä configuration file.
·
Columns 11through 16 display a numeric representation of the current
value being read at the channels input.
·
·
Columns 17 through 20 display the units of the reading.
If a channel is not connected, no information is displayed for the
channel; down arrows indicate that pressing Operating Conditions will
display more information (e.g., other configured analog channel
readings, or digital channel readings).
R M T E M P
3 7 . 5 d e g C
4 5 . 3 d e g C
â
T o p
O i l
â
L
ââ
o a d
C u r r e
6 8 9
A m p
Figure 4-1: Sample Analog Channel Display
Digital Channel Readings Screens
The Digital Channel Readings screens display up to four channels each
(see Figure 4-2). There is one line of display (20 columns) available for each
channel:
·
Columns 1 through 17 display the channel’s description as uploaded
from the SAGEä configuration file.
·
Columns 18 through 20 display the channels status as ON or OFF.
C N T R L
C N T R L
C N T R L
C N T R L
I S O 1
I S O 1
I S O 1
I S O 1
C H 1
C H 2
C H 3
C H 4
O N
O N
O N
O F F
Figure 4-2: Sample Digital Channel Display
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Section 4: Operation
4-3
Tap Change Summary Screen
The Tap Change Summary screen (Figure 4-3) displays:
Tap Changes in the last hour.
Tap Changes so far this hour.
Total number of tap changes since power up.
·
·
·
T a p
L a s t
T h i s
T o t a l
C h a n g e
S u m m a r y
H o u r
H o u r
=
=
3
3
=
2 3 6
á
Figure 4-3. Tap Change Summary Screen
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4-4
Section 4: Operation
Alarm Status & Settings Button
Alarm Status & Settings screens are accessed by pressing the Alarm Status
& Settings button:
· Pressing Alarm Status & Settings during normal operation displays the
LTC-MAP Status screen.
· Pressing Alarm Status & Settings repeatedly during normal operation
continuously scrolls through the Alarm and Status screens, in the
following order:
· LTC-MAP Status Screens
· Current Date and Time Screen
· Pressing Operating Conditions, while an Alarm Status & Setting screen is
displayed, will display the first Analog Channels readings screen.
LTC-MAP Status Screen
The LTC-MAP status screen displays current alarm status. If there are no
alarm conditions, the Normal Status screen (Figure 4-4) is displayed.
If one or more alarms are present, each alarm will be displayed sequentially
and on a separate screen (see Figure 4-5). There are two lines of text
available to display the alarm description; also displayed is the present
value of the parameter triggering the alarm.
A l a r m
S t a t u s :
N o r m a l
Figure 4-4: LTC-MAP Status Screen (No Alarms)
* * *
T a n k 2
A L A R M * * *
D I f f T e m p
a b o v e
V a l u e
s e t
N O W :
l
i m i t
2 4 . 5
d e g C
Figure 4-5: LTC-MAP Alarms Screen
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Section 4: Operation
4-5
Current Time and Date Screen
The Current Time and Current Date screen (Figure 4-6) displays:
· The current time as read from the system clock and displayed in 24
hour format (HH/MM/SS).
· The current date as read from the system clock and displayed as:
Day MM/DD/YYYY.
NOTE: The system clock must be set to the correct date and time to
ensure that the LTC-MAP properly acquires data. If the date or time are
incorrect, refer to the SAGEä documentation for procedures for setting
the date and time.
C u r r e n t
T i m e :
D a t e :
1 2 : 3 0 : 2 2
C u r r e n t
W e d
0 9 / 1 7 / 1 9 9 7
Figure 4-6: Current Time and Date Screen
Acknowledging Alarms
Alarms are acknowledged by pressing the Acknowledge Alarm button,
located in the lower left corner of the face panel. Pressing Acknowledge
Alarm deactivates the alarm relay on the LTC-MAP so subsequent alarms
can trip the annunciator outputs.
NOTE: The LTC-MAP remains in alarm mode, and the
corresponding ALARM indicators remain lit, until the alarm
condition goes away.
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Section 5: Troubleshooting Procedures
Refer to Table 5-1 for common troubleshooting procedures.
Table 5-1: Common Troubleshooting Procedures
Condition
Possible Cause(s)
Corrective Action
Incorrect Temperature Reading on a
4-20 mA Channel.
Defective sensor.
Swap suspect sensor with a known good sensor.
Check wiring connection from the sensor to the
circuit board; ensure that the wire is correctly
inserted into the screw down connector block.
Loose wiring connection from sensor
to circuit board
Swap suspect circuit board with a known good
board.
Defective circuit board.
Temporarily move the suspect RTD sensor wire to
an unused 4-20 mA channel to determine
Ribbon cable between CPU and I/O
circuit boards loose.
whether fault follows sensor or circuit board.
Inspect ribbon cable connection at CPU board and
at I/O board.
Systematically remove other connections to the
circuit board until the cause of the loop is found.
For example, problems may be caused having
the individual wire (color) order incorrect for the
cable between the control isolator and the I/O
board.
Ground loop exists with another
connection.
Unrecorded tap change events.
Incorrect Current Readings.
Incorrect wiring.
Check wiring diagram and installation.
Check event start and stop parameters.
Check for a minimum motor current parameter.
Check wiring diagram and installation.
Verify current with a handheld meter.
Check CT Ratio.
Incorrect parameter settings.
Incorrect installation.
No current present.
Incorrect parameter settings.
Check Calibration Parameters.
Check wiring diagram and installation.
Check Calibration Parameters.
Cycle Power.
Incorrect Voltage Readings.
Incorrect wiring.
Incorrect parameter settings.
Power glitch.
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5-2
Section 5: Troubleshooting Procedures
Table 5-1: Common Troubleshooting Procedures (Cont’d)
Condition
Possible Cause(s)
Corrective Action
Incorrect Tap Position
Displayed/Recorded.
Sensor Input and Sensor Common
connections reversed.
Disconnect inputs and test voltage on the wires
with a volt meter referenced to earth ground.
Battery supply for OEM resistor string Disconnect inputs and test voltage on the wires
not stable or floating to ground
causing a ground loop.
with a volt meter referenced to earth ground.
Cut or remove the strap for Sensor Common input
to chassis ground connection on the circuit
board.
Use a DC voltage from the monitor, rather than a
battery, to supply the OEM resistor string.
Heater ON at ambient over
60 ºF (15.5 ºC).
Faulty heater.
Disconnect heater from I/O board; contact Reuter-
Stokes, Inc..
Heater not ON at ambient under 50 ºF Faulty connections.
(10 ºC).
Check heater connections.
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Appendix A: User-Specific Information
Forms
Use the Analog Channel Configuration form to document LTC-MAP 2130
channel settings.
Use the Tap Position Calibration form to document tap position calibration
settings.
Use the wiring diagram forms to document specific system connections.
Analog Channel Configuration
Jumper
Position
A or B
Selected Input
Input Description
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
JP1
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
4-20 mA Sensor Input #1.
4-20 mA Sensor Input #2.
4-20 mA Sensor Input #3.
4-20 mA Sensor Input #4.
4-20 mA Sensor Input #5.
4-20 mA Sensor Input #6.
4-20 mA Sensor Input #7.
+10 VDC Input Channel #8.
(5A Input per CT or 4-20 mA Input #9)
(5A Input per CT or 4-20 mA Input #10)
(5A Input per CT or 4-20 mA Input #11)
JP2
JP3
JP4
JP5
JP6
JP7
JP8
(50 A Current per CT or 4-20 mA Input #12)
(Voltage Input 1 or 4-20 mA Input #13)
(Voltage Input 2 or 4-20 mA Input #14)
(Voltage Input 3 or 4-20 mA Input #15)
(Voltage Input 4 or 4-20 mA Input #16)
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A-2
Appendix A: User-Specific Information Forms
Tap Position Calibration
Low Point
High Point
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Appendix A: User-Specific Information Forms
A-3
LTC-MAP 2130 Customer Installation Information (Part 1)
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A-4
Appendix A: User-Specific Information Forms
LTC-MAP 2130 Customer Installation Information (Part 2)
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Appendix A: User-Specific Information Forms
A-5
LTC-MAP 2130 Customer Installation Information (Part 3)
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Appendix B: Firmware Upgrades
Use the following procedure to replace the EPROM for firmware upgrades:
NOTE: Be sure to download to the PC the LTC-MAP 2130 monitor
configuration, calibration, and parameter settings via SAGEä host
software package before replacing the EPROM.
1. Open the front cover by releasing the fasteners on the right side of the
LTC-MAP 2130.
2. Loosen the thumbscrews on the face panel.
3. Swing out the panel to access the I/O and CPU circuit boards.
4. Slip the supplied static control wrist strap over your hand and connect
the other end to any convenient electrical ground.
5. Remove the F1 power fuse from the power board.
CAUTION: To avoid equipment damage, you must remove F1 on the I/O
board when installing the EPROM.
6. Unplug the ribbon cable and modem serial port connector from the CPU
circuit board.
CAUTION: To avoid damage to the ribbon cable, pull the ribbon cable by the
hard plastic connector.
7. Using a No.1 Phillips head screwdriver, remove the five screws
securing the CPU circuit board to the face panel.
8. Carefully remove the CPU circuit board and turn it component side up.
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B-2
Appendix B: Firmware Upgrades
9. Using a 3/16” slotted screwdriver, carefully remove the existing EPROM.
Note the orientation of the EPROM notch and the location within the
socket. See Figure B-1 for EPROM location.
NOTE:Pin number 1 of the EPROM is placed into contact number 3
of the socket.
Figure B-1: EPROM Replacement
10. Remove the new EPROM from the protective packaging.
CAUTION: To avoid damage to the component, do not remove the EPROM
from the protective packaging until you are ready to install it.
11. Determine the proper notch orientation and location within the socket.
12. Carefully bend the pins on the EPROM until they align with the socket
contacts.
CAUTION: To avoid damage to the component, do not push the EPROM into
the socket until all pins are perfectly aligned with the contacts.
13. Once all pins are aligned with the socket contacts, push down on the
EPROM until it is fully seated.
14. Verify that all pins are inserted in the socket contacts.
NOTE: Carefully inspect each pin and contact to verify that none of the
pins are bent under the EPROM.
15. Carefully re-install the CPU circuit board into the face panel.
NOTE:The Operating Conditions and Alarm Status & Settings buttons must
be aligned and inserted into the face panel.
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Appendix B: Firmware Upgrades
B-3
16. Re-install the hardware that secures the CPU board to the face panel.
17. Re-install the ribbon cable and modem serial port connector.
18. Remove the static control wrist strap.
19. Re-install F1 in the power circuit board.
20. Depress the Operating Conditions and Alarm Status & Settings buttons
while applying power to the system.
21. Verify that the LTC-MAP displays copyright information for ten seconds
before going blank.
NOTE:If the copyright information does not appear, and you have
checked the EPROM installation, contact Reuter-Stokes, Inc..
22. Place the old EPROM in the protective packaging and return it to
Reuter-Stokes, Inc.
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Appendix C: Glossary of Terms
Amperes.
A
Operating condition occurring when data point value exceeds
the alarm parameter set point.
Alarm
Configurable time period, up to 60 minutes, when the monitor
automatically takes incoming data levels and transfers them
into memory.
Averaging Interval
Calibration setpoints for voltage, current, temperature,
combustible gas, and tap position.
Calibration Parameters
Clear Memory
Action removes the monitored input data from the monitor non-
volatile memory.
Serial communication port on a personal computer.
Fault gas in the dielectric oil.
Central Processing Unit.
COM
Combustible Gas
CPU
Current transducer.
CT
Command that transfers data stored in memory from the monitor
to a personal computer.
Download
Assembly with pre-punched holes, used for routing cables and
conduits into the monitor.
Gland Plate
Tap change time period.
Input/Output.
Event
I/O
Load Tap Changer installed on the transformer.
Milliamperes.
LTC
mA
Method in which data is stored and updated in the monitor
memory.
Profile Data Recording
Mode
Parameters for transformer control relay and cam signals.
Transformer location – substation.
Root mean square of a number.
Relay Parameters
Remote Site
Rms
Resistance temperature detector.
Alarm level parameters for sensor inputs.
LTC tap location.
RTD
Settable Parameters
Tap Position
Upload
Command that transfers alarm parameters and site description
information to the monitor.
Volts alternating current.
Volts direct current.
VAC
VDC
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Index
A
Acknowledge Alarm button, 1-4, 2-3,
3-4, 3-6, 4-6
cleaning, 1-4
combustible gas sensor, 1-6
common point lead, 3-15
communications, 1-4, 2-13, 3-1, 3-20,
3-21,3-22
configurable input, 1-3
configuration jumpers, 3-4
configuration parameters, 3-24
control isolator, 1-2, 1-3, 1-6
control isolator input, 3-17
CPU board, 2-9, 2-12
alarm activation signal, 3-18
alarm configuration, 3-6
alarm indication, 1-4
ALARM indicators, 4-6
alarm inputs, 3-18
alarm jumpers, 3-18
alarm mode, 4-6
alarm relay, 4-6
alarm settings, 2-3
alarm status, 2-3, 4-1, 4-5
CT ratio, 5-1
Alarm Status & Settings button, 1-4,
2-3, 2-4, 2-5, 3-23, 4-1, 4-5
current date and time screen, 4-5
current readings, 5-1
alarm terminals, 3-18
current time and date screen, 4-6
customer support, 2-1
ALARM1 indicator, 1-4, 2-2
ALARM2 indicator, 1-4, 2-2
alarms, 1-2, 3-18
D
alarms screen, 4-5
data analysis, 1-2
data retrieval, 1-2
data storage, 1-4
digital channel display, 4-2
digital input channels, 1-2
digital inputs, 3-17
analog channel display, 4-2
analog input channels, 1-2
annunciator outputs, 1-2, 1-4, 4-6
B
bps, 3-21
dimensions, 1-5
display, 1-4, 3-1, 4-1, 4-2, 4-5, 4-6
C
E
cable installation, 3-3
calibration parameters, 5-1
center point, 3-13
electrical rating, 1-5
environmental specifications, 1-5
channel configuration, 4-1
channel name, 2-4
channel number, 2-4
circuit board location, 2-9
circuit boards, 2-3
clamp-on AC current (CT) sensor, 1-6
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I-2
Index
F
face panel, 2-2, 2-3, 2-4, 2-9, 4-6
front cover, 2-2, 2-3
N
null modem cable, 2-3, 2-8, 2-13
front panel controls, 1-4
front panel display, 1-4
front panel indicators, 1-4
O
OEM potentiometer, 3-11, 3-12, 3-13,
3-14, 3-15
operating conditions, 2-3, 4-1
G
gland plate, 3-1, 3-3
ground jumpers, 3-6
ground lug, 3-7
Operating Conditions button, 1-4, 2-3, 2-4, 4-
1, 4-2, 4-5
operating temperature, 1-5, 3-1
operation, 4-1
options, 1-6
H
heater, 3-19, 5-2, 5-4
P
parameter settings, 4-1, 5-1
phone multiplexer, 2-13
pollution degree, 1-5
positive point lead, 3-15
power, 3-19, 5-1
power consumption, 1-5
power fuse, 2-11
POWER indicator, 1-4, 2-2
power input, 1-5
I
I/O board, 3-7, 3-10, 3-17, 3-22
I/O Board, 2-9, 2-10
incoming power terminals, 2-11
indicator lights, 2-2
installation category, 1-4
intermittent operation, 1-4
internal heater, 3-7, 3-19
power input protection, 1-5
Power Supply Board, 2-11, 3-7
product overview, 1-1
profile, 1-2
L
LCD display, 2-5
LCD Display, 2-3, 2-12
R
M
receiving inspection, 2-1
relay outputs, 1-4
magnetic mount RTDtemperature sensor,
1-6
maintenance, 1-4
ribbon cable, 2-9
modem, 1-2, 1-4, 1-6, 2-3, 2-8, 2-13,
3-4, 3-5, 3-20, 3-21, 3-22, 3-23
RTD transmitter, 1-6
modem power supply, 3-5
moisture sensor, 1-6
monitoring functions, 4-1
mounting dimensions, 3-2
mounting location, 3-1
multiplexers, 1-6, 1-8
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Index
I-3
S
T
SAGE, 1-6, 3-20, 4-2
tap change summary screen, 2-4
tap position, 3-7, 3-11, 3-14, 3-15, 3-16
tap position calibration, 2-4
tap position indicator, 3-11, 3-16
thumb screws, 2-3
sensor input connections, 3-10
sensor inputs, 3-4, 3-5
sensors, 3-7, 3-10, 3-23
serial port, 1-2, 1-4, 2-3, 2-6, 2-8, 2-12, 2-13,
3-20, 3-21
troubleshooting, 5-1
signal conditioning circuitry, 2-10
specifications, 1-3
typical application, 1-7
status screen, 4-1, 4-5
status Screen, 4-5
string resistance, 3-15
supply voltage fluctuation, 1-5
system parameters, 3-23
V
voltage drop resistor, 3-14, 3-15
voltage inputs, 3-4, 3-5, 3-17
voltage readings, 5-1
voltage supplies, 2-11
W
wiper lead, 3-15
wiring, 3-1, 3-7, 3-17, 3-23, 5-1
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GE Energy Management
FOR SALES, SERVICE, AND TECHNICAL SUPPORT CONTACT:
REUTER-STOKES, INC.
MONITORING PRODUCTS
8499 DARROW ROAD
OR
GE SYPROTEC INC.
179 BOULEVARD BRUNSWICK
POINT-CLAIRE, QUEBEC H9R 5N2
CANADA
TWINSBURG, OH 44087 USA
PH:
330-425-3755
330-425-1812
PH:
514-694-3637
514-694-9245
FAX:
FAX:
WWW.GEPOWER.COM
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