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6.6 Remote Operation
6.6.1 Remote RUN/STOP
6
FUNCTIONS
(5) Precautions
Take note of the following, because STOP has priority in CPU module:
(a) Timing of changing to STOP status
The CPU module is put in the STOP status when remote STOP is executed from
any of the followings: RUN contact, GX Developer and external device using MC
protocol.
(b) To put CPU module in RUN status again after remote STOP
When placing the CPU module in the RUN status again after putting it in the
STOP status by remote STOP, perform remote RUN in the order that remote
STOP was executed first.
(c) When redundant system is configured using Redundant CPU
1) When both systems are not specified on remote operation screen
Remote RUN/STOP is performed for only the system specified in the
connection target settings.
2) When both systems are specified on remote operation screen
Remote RUN/STOP is performed for both the control system and standby
system.
However, remote operation for both systems is enabled only when the
Redundant CPU is in the backup mode.
POINT
1 . The RUN/STOP status is described below:
• RUN Status....................Status in which the calculations are repeatedly
executed from step 0 to the END/FEND instruction
in the sequence program.
• STOP Status..................Status in which the sequence program
calculations are stopped and the output (Y) is all
OFF.
2 . After being reset, the CPU module is put to RUN/STOP status according to the
RUN/STOP switch setting.
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