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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
0
0
0
1209–1216
Trip/Warn Data
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
Factor
DeviceNet
Parameter
Numbers
Содержание SEL-787
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