E.81
Date Code 20100129 Instruction Manual SEL-751A Relay
Modbus RTU Communications
Modbus Register Map
4016H (R) ERROR REGISTER 0 65535 0 na
Bit 0 = Settings Read Error
Bit 1 = Setting Write Error
Bit 2 = Settings Update Error
Bit 3 = Settings Resource Error
Bit 4 = Settings Locked
Bit 5 = Group Settings Error
Bit 6 = Global Settings Error
Bit 7 = Logic Settings Error
Bit 8 = Report Settings Error
Bit 9 = Front Panel Settings Error
Bit 10 = Memory Not Available
Bit 11 = Settings Prep Error
Bit 12 = Setting Changes Disabled
Bit 13 = Memory Diag Error
Bit 14 = Reserved
Bit 15 = Reserved
4017H (R) ERROR ADDRESS 0 65535 0
4018H–401FH (R) Reserved
c
00 0
a
All addresses in this table refer to the register addresses in the Modbus packet.
b
Registers labeled (R/(W) are read-write registers. Registers labeled (W) are write-only registers. Registers Labeled (R) are read-only
registers.
c
Reserved addresses return 0.
Table E.32 Modbus Register Map
a
(Sheet 56 of 56)
Modbus Register
Address
b
Name/Enums Units Min Max Default
Scale
Facto r
DeviceNet
Parameter
Numbers
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