GE 745 TRANSFORMER MANAGEMENT RELAY User Manual

9-4 745 Transformer Management Relay GE Power Management
9.1 OVERVIEW 9 745 PC SOFTWARE
9
Figure 9–4: RS232 COMMUNICATIONS SETUP
Figure 9–5: RS485 COMMUNICATIONS SETUP
814798A3.CDR
MMII RELAY SETUP PROGRAM
File
Setpoints
Actual
Diagnosis
Comms
Help
MOTOR: RUNNING
STATUS: OK
MODE: N
ORMAL
COMMUNICAL:
O
N
COMPUTER
RS232 CONNECTOR
TO
COMPUTER COM PORT
TYPICALLY
COM1 OR COM2
IN SERVICE
LOCAL
SETPOINT GROUP 2
LOAD-LIMIT
REDUCED
TRIP
SELF-TEST
ERROR
SETPOINT GROUP 3
TRANSFORMER
DE-ENERGIZED
ALARM
PICKUP
TEST MODE
TRANSFORMER
OVERLOAD
SETPOINT GROUP 1
PHASE A
PHASE B
PHASE C
GROUNDMESSAGE
745 TRANSFORMER MANAGEMENT RELAY™
PROGRAM PORT
SETPOINT
7 89
4
5
6
12 3
.
0
HELP
MESSAGE
VALU E
ACTUAL
ESCAPE
ENTER
RESET
NEXT
DIFFERENTIAL
BLOCKED
745 STATUS SYSTEM STATUS CONDITIONS
SETPOINT GROUP 4
g
814797A3.CDR
SR745
R
ELAY
S
ETUP
P
ROGRAM
File
Setpoints
Actual
Diagnosis
Comms
Help
MOTOR: RUNNING
STATUS: OK
MODE:
N
ORMAL
COMMUNICAL:
O
N
+
GND
RS485
RS232
-
POWER
745 rear
terminal block AB
GE Power Management
RS232/RS485
CONVERTER
COMPUTER
POWER SUPPLY
MODULE TO
WALL PLUG
RS232 CONNECTOR
TO
COMPUTER COM PORT
TYPICALLY
COM1 OR COM2
A
1
12
B

GE 745 TRANSFORMER MANAGEMENT RELAY Specifications

General

Brand	GE
Model	745 TRANSFORMER MANAGEMENT RELAY
Category	Relays
Language	English