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Running and stopping the A2C from external devices (Remote RUN/STOP function)
The RUN switch is used for A2CCPU run/stop control.
"remote RUN/STOP" means controlling A2CCPU run/stop with external sig-
nals (peripheral devices, remote RUN contact) with the RUN switch placed
in the RUN position.
(1) Application of remote RUN/STOP
Remote RUN/STOP control is possible in the following cases.
(a) The A2CCPU is out of reach.
(b) The A2CCPU is located in a control box.
Execution of sequence program operation is controlled as indicated
below in response to the remote RUN/STOP operation.
(a) Remote stop
The A2CCPU stops after the sequence program is executed to the
END (FEND) instruction.
(b) Remote RUN
The sequence program is executed again from step 0 by the remote
RUN operation after the A2CCPU has been stopped by the remote
Executing remote RUN/STOP
Remote RUN/STOP operation is possible through the following
(a) Remote RUN contacts
Remote RUN/STOP control is possible by turning on and off the
remote RUN contacts which are set with parameters.
1) When remote RUN contacts are turned ON. the A2C is set to the