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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)
â– 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)
â– When completed with an error
07H
Data
Error information
Function code
87H
Data
Exception code
Function code