How to RUN/STOP the Built-in PLC Function from Outside (Remote RUN/STOP)

2) Method using GX Developer

RUN/STOP can be performed by remote RUN/STOP operation from GX Developer.

For example, this method can be used to STOP the function for sequence program write in a place where the inverter is out of reach.

 

 

Step 0

END

 

 

Step 0

END

 

 

 

ON

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

 

 

 

Remote STOP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

command

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OFF

 

 

 

 

ON

 

 

 

GX Developer

 

 

 

 

 

 

 

 

 

 

 

Remote RUN

 

OFF

 

 

 

 

 

 

 

 

 

command

 

 

 

 

 

STOP

 

 

 

 

 

 

 

 

 

 

 

 

 

RUN/STOP

 

 

RUN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

status

 

 

 

 

 

 

STOP status

 

 

 

 

 

 

 

 

 

 

 

 

Fig 3.22 Timing Chart for RUN/STOP Using GX Developer

(4)Instructions

Note the following points since the built-in PLC function gives priority to STOP.

The built-in PLC function enters the STOP status when remote STOP is performed from any of the remote RUN contact, GX Developer, etc.

To place the built-in PLC function in the RUN status again after it has been put in the STOP status by remote STOP, all external factors (remote RUN contact, GX Developer, etc.) for remote STOP must be set to RUN.

REMARKS

What are RUN and STOP statuses?

RUN status

Status where a sequence program is repeating operation from step 0 to

 

END instruction.

STOP status

Status where sequence program operation is at a stop and the outputs

 

(Y) are all off.

SEQUENCE PROGRAMMING

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Mitsubishi Electronics FR-A700, 700 Series specifications Stop RUN/STOP