GE Multilin 489 Instruction Manual page 244

Phase O/C Trip
RTD11 Trip *
Stator RTD 3 Trip *
Tachometer Trip
Volts/Hertz Trip
489 Not Inserted
Bearing RTD 8 Alarm *
Current Demand Alarm
Low Fwd Power Alarm
NegSeq Current Alarm
Overcurrent Alarm
Reverse Power Alarm
Stator RTD 1 Alarm
Stator RTD 5 Alarm
Trip Coil Monitor
Volts Per Hertz Alarm
Control Power Applied
Serial Comm. Start
Setpoint 2 Active
* reflects the name as programmed
6–30
Courtesy of NationalSwitchgear.com
Table 6–1: Cause of Events (Sheet 2 of 2)
TRIPS
Phase Reversal Trip
Sequential Trip
Stator RTD 4 Trip *
Thermal Model Trip
ALARMS (OPTIONAL EVENTS)
Ambient RTD12 Alarm *
Bearing RTD 9 Alarm *
Gnd Directional Alarm
MVA Demand Alarm
Neut. U/V 3rd Alarm
Overfrequency Alarm
RTD11 Alarm *
Stator RTD 2 Alarm
Stator RTD 6 Alarm
Trip Counter Alarm
VT Fuse Fail Alarm
OTHER
Control Power Lost
Serial Comm. Stop
Simulation Started
489 GENERATOR MANAGEMENT RELAY – INSTRUCTION MANUAL
CHAPTER 6: ACTUAL VALUES
Reactive Power Trip Reverse Power Trip
Stator RTD 1 Trip * Stator RTD 2 Trip *
Stator RTD 5 Trip * Stator RTD 6 Trip *
Underfrequency Trip Undervoltage Trip
Analog I/P 1 to 4 Alarm Bearing RTD 7 Alarm
* *
Bearing RTD 10 Alarm * Breaker Failure
Ground O/C Alarm Input A to G Alarm *
Mvar Demand Alarm MW Demand Alarm
Neutral O/V Alarm Open RTD Alarm
Overvoltage Alarm Reactive Power Alarm
Service Alarm Short/Low RTD Alarm
Stator RTD 3 Alarm Stator RTD 4 Alarm
Tachometer Alarm Thermal Model Alarm
Underfrequency Alarm Undervoltage Alarm
Dig I/P Waveform Trig Input A to G Control *
Serial Waveform Trip Setpoint 1 Active
Simulation Stopped Thermal Reset Close