E.48
SEL-787 Relay Instruction Manual Date Code 20150130
Modbus RTU Communications
Modbus Register Map
Commn Counters
1126 (R) NUM MSG RCVD 0 65535 0 1 1226
1127 (R) NUM OTHER MSG 0 65535 0 1 1227
1128 (R) INVALID ADDR 0 65535 0 1 1228
1129 (R) BAD CRC 0 65535 0 1 1229
1130 (R) UART ERROR 0 65535 0 1 1230
1131 (R) ILLEGAL FUNCTION 0 65535 0 1 1231
1132 (R) ILLEGAL REGISTER 0 65535 0 1 1232
1133 (R) ILLEGAL WRITE 0 65535 0 1 1233
1134 (R) BAD PKT FORMAT 0 65535 0 1 1234
1135 (R) BAD PKT LENGTH 0 65535 0 1 1235
1136–1141 (R) Reserved
c
0 0 0 1236–1241
Relay Elements
Only a few Relay Element rows report actual bit enumeration strings specific to that row. Other Relay Element rows report generic bit
enumeration strings (as shown for ROW 10). For exact bit enumerations of these elements see Appendix J: Relay Word Bits.
1142 (R) ROW 0 0 255 0 1242
Bit 0 = TLED_06
Bit 1 = TLED_05
Bit 2 = TLED_04
Bit 3 = TLED_03
Bit 4 = TLED_02
Bit 5 = TLED_01
Bit 6 = TRIP_LED
Bit 7 = ENABLED
1143 (R) ROW 1 0 255 0 1243
Bit 0 = 50P24T
Bit 1 = 50P23T
Bit 2 = 50P22T
Bit 3 = 50P21T
Bit 4 = 50P14T
Bit 5 = 50P13T
Bit 6 = 50P12T
Bit 7 = 50P11T
1144 (R) ROW 2 0 255 0 1244
Bit 0 = 50Q22T
Bit 1 = 50Q21T
Bit 2 = 50G22T
Bit 3 = 50G21T
Bit 4 = 50Q12T
Bit 5 = 50Q11T
Bit 6 = 50G12T
Bit 7 = 50G11T
1145 (R) ROW 3 0 255 0 1245
Bit 0 = REF1P
Bit 1 = REF1R
Bit 2 = REF1F
Bit 3 = 50GREF1
Bit 4 = REF1E
Bit 5 = 50NREF1
Bit 6 = 50N12T
Bit 7 = 50N11T
1146 (R) ROW 4 0 255 0 1246
Bit 0 = *
Bit 1 = 51N1T
Bit 2 = 51Q2T
Bit 3 = 51Q1T
Bit 4 = 51G2T
Bit 5 = 51G1T
Table E.34 Modbus Register Map
a
(Sheet 26 of 36)
Modbus Register
Address
b
Name / Enums Units Min Max Def
Scale
Fac tor
DeviceNet
Parameter
Numbers
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