E.48
SEL-787 Relay Instruction Manual Date Code 20081022
Modbus RTU Communications
Modbus Register Map
1094 (R) EVENT ICW1 A 0 65535 0 1 1194
1095 (R) EVENT IGW1 A 0 65535 0 1 1195
1096 (R) EVENT IAW2 A 0 65535 0 1 1196
1097 (R) EVENT IBW2 A 0 65535 0 1 1197
1098 (R) EVENT ICW2 A 0 65535 0 1 1198
1099 (R) EVENT IGW2 A 0 65535 0 1 1199
1100 (R) EVENT IN A 0 65535 0 1 1200
1101 (R) EVENT VAB/VAN V 0 65535 0 1 1201
1102 (R) EVENT VBC/VBN V 0 65535 0 1 1202
1103 (R) EVENT VCA/VCN V 0 65535 0 1 1203
1104 (R) EVENT VG V 0 65535 0 1 1204
1105 (R) EVENT DELTA/WYE 0 1 0 1205
0=DELTA
1=WYE
1106 (R) EVENT FREQ Hz 2000 7000 6000 0.01 1206
1107 (R) EVNT MAX AMB RTD degC -32768 32767 0 1 1207
1108 (R) EVNT MAX OTH RTD degC -32768 32767 0 1 1208
1109–1116 (R) Reserved
c
0 0 0 1209–1216
Trip/ Warn D ata
The Trip and Warn Status registers bits are 'sticky' (once set they are not cleared until target reset is issued from any interface) when a
trip event occurs.
1117 (R) TRIP STATUS LO 0 65535 0 1217
Bit 0 = WDG1 50 PHASE
Bit 1 = WDG1 50 GROUND
Bit 2 = WDG1 50 NEGSEQ
Bit 3 = WDG1 51 PHASE
Bit 4 = WDG1 51 GROUND
Bit 5 = WDG1 51 NEGSEQ
Bit 6 = WDG2 50 PHASE
Bit 7 = WDG2 50 GROUND
Bit 8 = WDG2 50 NEGSEQ
Bit 9 = WDG2 51 PHASE
Bit 10 = WDG2 51 GROUND
Bit 11 = WDG2 51 NEGSEQ
Bit 12 = NEUTRAL 50
Bit 13 = NEUTRAL 51
Bit 14 = RESTR DIFF 87R
Bit 15 = UNRESTR DIFF 87U
1118 (R) TRIP STATUS HI 0 65535 0 1218
Bit 0 = UNDERVOLT 27P
Bit 1 = OVERVOLT 59P
Bit 2 = NSEQVOLT 59Q
Bit 3 = POWER ELEMENTS
Bit 4 = FREQUENCY 81
Bit 5 = VOLTS/HERTZ
Bit 6 = RESTRCTD EARTH
Bit 7 = RTD TRIP
Bit 8 = BREAKER FAIL
Bit 9 = REMOTE TRIP
Bit 10–Bit 14 = RESERVED
Bit 15 = TRIP
Table E.32 Modbus Register Map
a
(Sheet 27 of 38)
Modbus Register
Address
b
Name / Enums Units Min Max Def
Scale
Fa c tor
DeviceNet
Parameter
Numbers
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