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E.55
Date Code 20081022
Instruction Manual
SEL-787 Relay
Modbus RTU Communications
Modbus Register Map
Bit 9 = DN Aux 6 Cmd
Bit 10 = DN Aux 7 Cmd
Bit 11 = DN Aux 8 Cmd
Bit 12 = DN Aux 9 Cmd
Bit 13 = DN Aux 10 Cmd
Bit 14 = DN Aux 11 Cmd
Bit 15 = Breaker2 Open
2001H 6
RESET COMMAND
0
255
0
na
Bit 0 = Trip Reset
Bit 1 = Set to Defaults
Bit 2 = Reset Stat Data
Bit 3 = Reset Hist Data
Bit 4 = Reset Comm Cntr
Bit 5 = Reserved
Bit 6 = Rst Enrgy Data
Bit 7 = Rst Mx/Mn Data
Bit 8 = Rst Demand
Bit 9 = Rst Peak Demand
Bit 10–Bit 15 = Reserved
Relay Elements
2100H (R)
FAST STATUS 0
0
65535
0
na
Bit 0 = Faulted
Bit 1 = Warning
Bit 2 = IN1/IN101 Status
Bit 3 = IN2/IN102 Status
Bit 4 = IN3/IN401 Status
Bit 5 = IN4/IN402 Status
Bit6 = IN5/IN403 Status
Bit 7 = Reserved
Bit 8 = AUX1/OUT101 Status
Bit 9 = AUX2/OUT102 Status
Bit 10 = AUX3/OUT401 Status
Bit 11 = AUX4/OUT402 Status
Bit 12 = AUX5/OUT403 Status
Bit 13 = AUX6/OUT404 Status
Bit 14–Bit 15 = Reserved
2101H (R)
FAST STATUS 1
0
65535
0
na
Bit 0 = Enabled
Bit 1 = Reserved
Bit 2 = IN6/IN404 Status
Bit 3 = IN7/IN501 Status
Bit 4 = IN8/IN502 Status
Bit 5 = IN9/IN503 Status
Bit 6 = IN10/IN504 Status
Bit 7 = Reserved
Bit 8 = AUX7/OUT501 Status
Bit 9 = AUX8/OUT502 Status
Bit 10 = AUX9/OUT503 Status
Bit 11 = AUX10/OUT504 Status
Bit 12–Bit 15 = Reserved
2102H (R)
TRIP STATUS LO
na
2103H (R)
TRIP STATUS HI
na
2104H (R)
WARN STATUS LO
na
Table E.32
Modbus Register Map
a
(Sheet 34 of 38)
Modbus Register
Address
b
Name / Enums
Units
Min
Max
Def
Scale
Factor
DeviceNet
Parameter
Numbers
Summary of Contents for SEL-787
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