GE Power Management
745 Transformer Management Relay
4-1
4 FRONT PANEL OPERATION
4.1 FRONT PANEL
4
4 FRONT PANEL OPERATION 4.1 FRONT PANEL
4.1.1 DESCRIPTION
The front panel provides a local operator interface with a vacuum fluorescent display, LED status indicators,
control keys, and program port. The display and status indicators update alarm and status information auto-
matically. The control keys are used to select the appropriate message for entering setpoints or displaying
measured values. The RS232 program port is also provided for connection with a computer running the 745PC
software.
Figure 4–1: 745 FRONT PANEL
745
Transformer Management Relay
™
FrontPanel.CDR
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
GROUND
MESSAGE
PROGRAM PORT
SETPOINT
7
8
9
4
5
6
1
2
3
.
0
HELP
MESSAGE
VALUE
ACTUAL
ESCAPE
ENTER
RESET
NEXT
DIFFERENTIAL
BLOCKED
745 STATUS
SYSTEM STATUS
CONDITIONS
SETPOINT GROUP 4
g
DISPLAY
STATUS INDICATORS AND
LOCAL CONTROL KEYS
SETPOINT ENTRY
AND MONITOR KEYS
HANDLE TO WITHDRAW RELAY
PROGRAM PORT INTERFACE
TO LOCAL COMPUTER
Содержание 745 TRANSFORMER MANAGEMENT RELAY
Страница 30: ...2 8 745 Transformer Management Relay GE Power Management 2 3 SECURITY 2 GETTING STARTED 2 ...
Страница 150: ...5 100 745 Transformer Management Relay GE Power Management 5 10 INVERSE VOLTS PER HERTZ CURVES 5 SETPOINTS 5 ...
Страница 210: ...7 36 745 Transformer Management Relay GE Power Management 7 2 BLOCK DIAGRAMS 7 SCHEME LOGIC 7 ...
Страница 322: ...9 12 745 Transformer Management Relay GE Power Management 9 3 USING 745PC 9 745 PC SOFTWARE 9 ...
Страница 392: ...11 24 745 Transformer Management Relay GE Power Management 11 1 COMMISSIONING SUMMARY 11 SETPOINT TABLES 11 ...
Страница 396: ...A 4 745 Transformer Management Relay GE Power Management A 1 FIGURES AND TABLES APPENDIXA A ...
Страница 398: ...B 2 745 Transformer Management Relay GE Power Management B 1 EU DECLARATION OF CONFORMITY APPENDIXB B ...
Страница 400: ...C 2 745 Transformer Management Relay GE Power Management C 1 WARRANTY INFORMATION APPENDIXC C ...
Страница 406: ...vi 745 Transformer Management Relay GE Power Management ...
Страница 407: ...GE Power Management 745 Transformer Management Relay NOTES ...