IPC@CHIP Modbus library – API Documentation

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This enumerator type lists the modbus exception codes.

Since:
V1.02
Enumerator:
MB_NO_EXCEPTION 

Modbus request without an exception executed

MB_ILLEGAL 

Illegal (not supported) function code number

MB_ILL_DATA_ADDR 

Received data address out of range by server

MB_ILL_DATA_VAL 

Not an allowed value for server

MB_SERVER_FAILURE 

Unrecoverable error, occurred, when server performs action

MB_ACK 

Response to prevent a timeout during long duration of performing action

MB_SERVER_BUSY 

Server is busy in processing a long duration command

MB_MEMORY_PARITY 
MB_GW_PATH_UNAVAIL 
MB_GW_TARGET_RESP 





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