Output Relays - GE Multilin 489 Instruction Manual

CHAPTER 7: TESTING
7.2.9

Output Relays

Force
Operation
Setpoint
1 Trip
2 Auxiliary
3 Auxiliary
4 Auxiliary
5 Alarm
6 Service
All Relays
No Relays
Note
489 GENERATOR MANAGEMENT RELAY – INSTRUCTION MANUAL
Courtesy of NationalSwitchgear.com
To verify the functionality of the output relays, perform the following steps:
Using the setpoint:
S12 TESTING TEST OUTPUT RELAYS
Select and store values as per the table below, verifying operation
Expected Measurement (4 for short)
1 2 3 4
no nc no nc no nc no nc no nc no nc no nc no nc no nc no nc no nc no nc
4 4 4 4
4 4 4 4
4 4 4 4
4 4 4 4
4 4 4 4
4 4 4 4
4 4 4 4
4 4 4 4
The 6 Service relay is failsafe or energized normally. Operating output relay 6 causes it to
de-energize.
FORCE OPERATION OF RELAYS:
Actual Measurement (4 for short)
5 6 1 2
4 4
4 4
4 4
4 4
4 4
4 4
4 4
4 4
"1 Trip"
3 4 5 6
7–11