Table 6–2: data formats (sheet 3 of 5) – GE 489 User Manual
Page 198

6-36
489 Generator Management Relay
GE Multilin
6.3 MODBUS MEMORY MAP
6 COMMUNICATIONS
6
F131
Unsigned
16 bit integer
Input switch status
0 = Closed, 1 = Open
F132
Unsigned
16 bit integer
Trip coil supervision status
0 = No Coil, 1 = Coil
F133
Unsigned
16 bit integer
Generator status
0 = Offline, 1 = Offline, 2 = Online, 3 = Overload, 4 = Tripped
F134
Unsigned
16 bit integer
Cause of event / Cause of trip
F136
16 bits
Order Code
Bit 0: 0 = Code P5 (5A CT secondaries), 1 = Code P1 (1A CT secondaries)
Bit 1: 0 = Code HI (High voltage power supply), 1 = Code LO (Low voltage power supply)
Bit 2: 0 = Code A20 (4-20 mA analog outputs), 1 = Code A1 (0-1 mA analog outputs)
F138
Unsigned
16 bit integer
Simulation mode
0 = Off, 1 = Simulate Pre-Fault, 2 = Simulate Fault, 3 = Pre-Fault to Fault
Table 6–2: DATA FORMATS (SHEET 3 OF 5)
FORMAT
CODE
TYPE
DEFINITION
VALUE PARAMETER
VALUE PARAMETER
VALUE PARAMETER
0
No Event
47
Field-Bkr Discrep.
94
Analog I/P 3 Alarm
1
General Sw. A Trip
48
Offline O/C Trip
95
Analog I/P 4 Alarm
2
General Sw. B Trip
49
Phase O/C Trip
96
Reverse Power Alarm
3
General Sw. C Trip
50
Neg. Seq. O/C Trip
97
Incomplete Seq.Alarm
4
General Sw. D Trip
51
General Sw. A Alarm
98
Negative Seq. Alarm
5
General Sw. E Trip
52
General Sw. B Alarm
99
Ground O/C Alarm
6
General Sw. F Trip
53
General Sw. C Alarm
100
7
General Sw. G Trip
54
General Sw. D Alarm
101
Service Alarm
8
Sequential Trip
55
General Sw. E Alarm
102
Control Power Lost
9
Tachometer Trip
56
General Sw. F Alarm
103
Cont. Power Applied
10
UNKNOWN TRIP
57
General Sw. G Alarm
104
Thermal Reset Close
11
UNKNOWN TRIP
58
105
Emergency Rst. Open
12
Overload Trip
59
Tachometer Alarm
106
Start While Blocked
13
UNKNOWN TRIP
60
Thermal Model Alarm
107
Relay Not Inserted
14
Neutral O/V Trip
61
Overload Alarm
108
Trip Coil Super.
15
Neut. U/V (3rd) Trip
62
Underfrequency Alarm
109
Breaker Failure
16
63
110
VT Fuse Failure
17
64
Ground Fault Alarm
111
Simulation Started
18
65
RTD 1 Alarm
112
Simulation Stopped
19
66
RTD 2 Alarm
113
Ground O/C Trip
20
Differential Trip
67
RTD 3 Alarm
114
Volts/Hertz Trip
21
Acceleration Trip
68
RTD 4 Alarm
115
Volts/Hertz Alarm
22
RTD 1 Trip
69
RTD 5 Alarm
116
Low Fwd Power Trip
23
RTD 2 Trip
70
RTD 6 Alarm
117
Inadvertent Energ.
24
RTD 3 Trip
71
RTD 7 Alarm
118
Serial Start Command
25
RTD 4 Trip
72
RTD 8 Alarm
119
Serial Stop Command
26
RTD 5 Trip
73
RTD 9 Alarm
120
Input A Control
27
RTD 6 Trip
74
RTD 10 Alarm
121
Input B Control
28
RTD 7 Trip
75
RTD 11 Alarm
122
Input C Control
29
RTD 8 Trip
76
RTD 12 Alarm
123
Input D Control
30
RTD 9 Trip
77
Open RTD Alarm
124
Input E Control
31
RTD 10 Trip
78
Short/Low RTD Alarm
125
Input F Control
32
RTD 11 Trip
79
Undervoltage Alarm
126
Input G Control
33
RTD 12 Trip
80
Overvoltage Alarm
127
Neutral O/V Alarm
34
Undervoltage Trip
81
Overfrequency Alarm
128
Neut. U/V 3rd Alarm
35
Overvoltage Trip
82
Power Factor Alarm
129
Setpoint 1 Active
36
Phase Reversal Trip
83
Reactive Power Alarm
130
Setpoint 2 Active
37
Overfrequency Trip
84
Low Fwd Power Alarm
131
Loss of Excitation 1
38
Power Factor Trip
85
Trip Counter Alarm
132
Loss of Excitation 2
39
Reactive Power Trip
86
Breaker Fail Alarm
133
Gnd. Directional Trip
40
Underfrequency Trip
87
Current Demand Alarm
134
Gnd. Directional Alarm
41
Analog I/P 1 Trip
88
kW Demand Alarm
135
HiSet Phase O/C Trip
42
Analog I/P 2 Trip
89
kvar Demand Alarm
136
Distance Zone 1 Trip
43
Analog I/P 3 Trip
90
kVA Demand Alarm
137
Distance Zone 2 Trip
44
Analog I/P 4 Trip
91
Broken Rotor Bar
138
Dig I/P Wavefrm Trig
45
Single Phasing Trip
92
Analog I/P 1 Alarm
139
Serial Waveform Trig
46
Reverse Power Trip
93
Analog I/P 2 Alarm