Execution Condition Of Predefined Protocol Communication - Mitsubishi Electric MELSEC iQ-R Series User Manual

2.4
Execution Condition of Predefined Protocol
Communication
The predefined protocol communication can be performed when the 'predefined protocol ready' (X1D) is ON.
When executing the predefined protocol communication in the program, use the 'predefined protocol ready' (X1D) as an
interlock signal.
This signal turns ON only when the communication protocol setting is set to predefined protocol
ON/OFF timing of predefined protocol ready (X1D)
After the protocol setting data is written to a flash ROM, 'predefined protocol ready' (X1D) turns OFF while checking the
written data.
When the written data is normal, 'predefined protocol ready' (X1D) turns ON.
Predefined protocol
ready (X1D)
Power ON
Checks the protocol
setting data.
Turns OFF while checking.
CH1, 2 ERR.
occurred (XE/XF)
OFF
2 DATA COMMUNICATION USING PREDEFINED PROTOCOL
48

2.4 Execution Condition of Predefined Protocol Communication

STOP/RUN of the CPU module
and
Writing protocol setting data
to flash ROM
Checking time
Performed by user
Performed by C24
Turns ON if the protocol
setting data is normal.