Mitsubishi Electric MELSEC-Q Series User Manual page 109

7 FUNCTION
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(2) Remote RUN/STOP Method
There are two ways to perform remote RUN/STOP:
(a) Remote RUN contact method
The remote RUN contact is set with the PLC parameter mode PLC system
setting.
The device range that can be set is input X0 to 7FF.
By turning the set remote RUN contact ON/OFF, the remote RUN/STOP
can be performed.
1) When the remote RUN contact is OFF, the Basic model QCPU enters
the RUN state.
2) When the remote RUN contact is ON, the Basic model QCPU enters
the STOP state.
Remote RUN contact
QCPU: RUN/STOP state
Fig. 7.4 Time Chart for RUN/STOP with Remote RUN Contact
(b) Method using the GX Developer function, serial communication module, etc.
Basic model QCPU can be performed by the remote RUN/STOP operation
from the GX Developer function, serial communication module, etc.
The GX Developer operation is performed with on-line remote operations.
The serial communication module and Ethernet interface module are
controlled by commands complying with the MC protocol.
For details of the MC protocol, refer to the following manual.
• Q corresponding MELSEC Communication Protocol Reference Manual
Remote STOP command
GX Developer
Remote RUN command
Serial
communication
module
RUN/STOP state
Fig. 7.5 Remote RUN/STOP Time Chart using GX Developer,
END
Step 0
ON
OFF
STOP
RUN
STOP state
Step 0 END
ON
OFF
OFF
STOP
RUN
serial communication module, etc
MELSEC-Q
END
Step 0
0
Step 0
ON
STOP state
END
0
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