Mitsubishi Electric MELSEC iQ-R04ENCPU - Read Exception Status (FC: 07 H)

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3 MODBUS STANDARD FUNCTION DETAILS
3.7 Read Exception Status (FC: 07H)
3.7 Read Exception Status (FC: 07H)
Operation description
Reads the error status.
Request message format (from master to slave)
Response message format (from slave to master)
■ When completed successfully
In the error information, the specified device data by "Specifying the error status" of the parameter is stored.
MELSEC iQ-R Serial Communication Module User's Manual(Application)
■ When completed with an error
07H
Function code
07H
Data
Error information
Function code
87H
Data
Exception code
Function code