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6053/6055 Modbus Plus Communications Interface
Modbus Slave Exception Response
Error Status Register: 4xxxx+1 (HEX)
Error Coding: Mmss where M = major code, m = minor code, ss = sub code
n
3001: Illegal function request (not available in slave).
n
3002: Illegal data address (not configured in slave).
n
3003: Illegal data value (Read/Write data not valid).
n
3004: Not used (unknown error).
n
3005: Slave accepted long duration program command.
n
3006: Requested function cannot be performed due to long command in progress.
n
3007: Slave rejected long program command.
Routing Failures
Error Status Register: 4xxxx + 1 (HEX)
Error Coding: Mmss where M = major code, m = minor code, ss = sub code
Routing failure error code: 6mjj
n
6m01: No response.
n
6m02: Program access denied.
n
6m03: Node is offline and unable to communicate.
n
6m04: Exception response received.
n
6m05: Route node data paths busy.
n
6m06: Slave device down.
n
6m07: Bad destination address.
n
6m08: Invalid node type in routing.
n
6m10: Slave rejected the Modbus command.
n
6m20: Slave forgot initiated translation.
n
6m40: Unexpected master output path received.
n
6m80: Unexpected response received.
Note: m = index to location in the routing information where routing problem was discovered.
0 = local network station
1 = first device in route
2 = second device in route, etc.
