Read Exception Status (Fc: 07H) - Mitsubishi Electric MELSEC iQ-R Series Reference Manual

3.7

Read Exception Status (FC: 07H)

Operation description
Reads the error status.
Request message format (from master to slave)
Function code
07H
Response message format (from slave to master)
■ When completed successfully
Function code Data
Error information
07H
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
Function code Data
Exception code
87H
3 MODBUS STANDARD FUNCTION DETAILS
20
3.7 Read Exception Status (FC: 07H)