489 GENERATOR MANAGEMENT RELAY – COMMUNICATIONS GUIDE
51
F134
ctd.
114
Volts/Hertz Trip
115
Volts/Hertz Alarm
116
Low Forward Power Trip
117
Inadvertent Energization
118
Serial Start Command
119
Serial Stop Command
120
Input A Control
121
Input B Control
122
Input C Control
123
Input D Control
124
Input E Control
125
Input F Control
126
Input G Control
127
Neutral Overvoltage Alarm
128
Neutral Undervoltage (3rd Harmonic) Alarm
129
Setpoint Group 1 Active
130
Setpoint Group 2 Active
131
Loss of Excitation 1
132
Loss of Excitation 2
133
Ground Directional Trip
134
Ground Directional Alarm
135
High-Set Phase Overcurrent Trip
136
Distance Zone 1 Trip
137
Distance Zone 2 Trip
138
Digital Input Waveform Trigger
139
Serial Waveform Trigger
140
IRIG-B Failure
141
Running Hours Alarm
F136
Unsigned
16 bit integer
ORDER CODE
Bit 0
0 = P5 (5 A CT secondary), 1 = P1 (1 A CT secondary)
Bit 1
0 = HI (High Voltage Power Supply),
1 = LO (Low Voltage Power Supply)
Bit 2
0 = A20 (4 to 20 mA Analog Outputs),
1 = A1 (0 to 1 mA Analog Outputs)
F138
Unsigned
16 bit integer
SIMULATION MODE
0
Off
1
Simulate Pre-Fault
2
Simulate Fault
3
Pre-Fault to Fault
F139
Unsigned
16 bit integer
FORCE OPERATION OF RELAYS
0
Disabled
1
1 TRIP
2
2 AUXILIARY
3
3 AUXILIARY
4
4 AUXILIARY
5
5 ALARM
6
6 SERVICE
7
All Relays
8
No Relays
Table CG–2: Data Formats (Sheet 10 of 14)
CODE
TYPE
DEFINITION