Executing Condition Of Predefined Protocol Communication - Mitsubishi QJ71C24N User Manual

8 DATA COMMUNICATION USING THE PRE-DEFINED PROTOCOL

8.1.5 Executing Condition of Predefined Protocol Communication

Predefined protocol
ready (X1D)
CH1 or CH2 ERR
(XE/XF)
8 - 8
The predefined protocol communication can be executed when the predefined protocol
ready (X1D) is on.
Use the signal as an interlock signal when executing the predefined protocol
communication in the sequence program.
However, note that only the functional protocol can be executed when Predefined
protocol ready (X1D) is off. (Refer to Section 10.7.1.)
This signal turns on only when the communication protocol setting is set to predefined
protocol.
(1) ON/OFF timing of Predefined protocol ready (X1D)
After the protocol setting data is written to a flash ROM, X1D turns off while
checking the written data.
X1D turns on when the written data are normal.
Writing protocol setting
data to the flash ROM
Power ON
OFF during check of
protocol setting data
OFF
Turns ON if the protocol
setting data are normal.
Check time
MELSEC-Q
Performed by the user
Performed by the
QJ71C24N(-R2/R4)
8 - 8