Mitsubishi 00JCPU User Manual page 204

(4) Precautions
(a) When forcibly keeping output status
To forcibly keep the output status (on or off) in the PAUSE status, provide an interlock with the PAUSE contact
(SM204).
M20
X0
M0
SM204
Figure 6.18 Program example for forcibly keeping output status in the PAUSE status
(b) In a redundant system where the Redundant CPU is used
1) When the "Both systems" item is not selected on the Remote operation screen
Remote PAUSE operation is performed for only the CPU module in the system specified in the connection
target settings.
2) When the "Both systems" item is selected on the Remote operation screen
Remote PAUSE operation is performed for both CPU modules in the control system and standby system.
Make sure to set the Redundant CPUs in both systems in backup mode.
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Y70
SM204
Y71
Y72
The on/off status of Y70 is determined by the
on/off status of M20 in the PAUSE status.
Y71 turns off in the PAUSE status.
Y72 turns on in the PAUSE status.