106
3.13 Remote Operation
Remote operation allows externally (by programming tool, external devices using the MC protocol, or using remote
contacts) changing the operating status of the CPU module. There are four types of remote operations:
• Remote RUN/STOP ( Page 106, Section 3.13.1)
• Remote PAUSE ( Page 108, Section 3.13.2)
• Remote RESET ( Page 110, Section 3.13.3)
• Remote latch clear ( Page 111, Section 3.13.4)
(1) The relationship between a CPU module and a remote operation.
Availability of remote operations varies depending on the status of a CPU module.
*1 Including the stop error status of the CPU module.
3.13.1 Remote RUN/STOP
This operation externally changes the operating status of the CPU module to RUN or to STOP, keeping the switch of
the CPU module in the RUN position.
This operation is useful when:
• the CPU module is inaccessible, or
• changing the status of a CPU module that is in a control panel to RUN or STOP by external signals.
(1) Program operation
(a) Remote RUN
The CPU module changes its operating status to RUN and executes a program from the step 0. (The remote
RUN operation must be performed to the CPU module whose operating status has been changed to STOP by
the remote STOP operation.)
(b) Remote STOP
The CPU module executes a program until the END instruction and changes its operating status to STOP.
(2) Executing method
The following three methods are available.
• Using a RUN contact
• Using a programming tool
• By an external device using the MC protocol
CPU module status
Remote operation
Remote RUN Remote STOP Remote PAUSE Remote RESET Remote latch clear
RUN status RUN status STOP status PAUSE status Not operable Not operable
STOP status STOP status STOP status STOP status
Reset
*1
Latch clear
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