M4 Breaker Monitor - GE Multilin 345 Instruction Manual

M4 BREAKER MONITOR

M4 Breaker monitor
7–14
The status of the breaker trip and close coils, as well as the trip and close circuits, can be
monitored under MAINTENANCE > M4 W1 (W2) BKR MONITOR. In the case where a
breaker coil or circuit fails, the relay will display the message "Unhealthy" for the
corresponding coil.
Further information on the breaker is provided under BKR TRIP COUNTER, where the
345 stores the number of trips. The counter can be reset under M3 RESET COUNTERS >
RST BKR TRIP COUNT set to "Yes".
PATH:
MAINTENANCE > M4 W1 (W2) BKR MONITOR
W1 (W2) BKR TRIP COIL
Healthy
Range: Healthy, Unhealthy
W1 (W2) BKR TRIP COUNTER
5
Range: 0 to 10000 trips
W1 (W2) BKR ALARM COUNTER
5
Range: 0 to 10000 trips
W1 (W2) LAST TRIP TIME
5
Range: 0 to 10000 ms
W1 (W2) AVG TRIP TIME
5
Range: 0 to 10000 ms
W1 (W2) LAST CLOSE TIME
5
Range: 0 to 10000 ms
W1 (W2) AVG CLOSE TIME
5
Range: 0 to 10000 ms
W1 (W2) LAST CHARGE TIME
5
Range: 0 to 60000 ms
W1 (W2) AVG CHARGE TIME
5
Range: 0 to 60000 ms
345 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 7: MAINTENANCE