Mitsubishi Electric MELSEC-Q Series User Manual page 150

(d) Program example
• Control start relay when the master station is operating: M10
• Control start relay when the standby master station is operating: M11
Initial device
set
Control ladder
when the
master station
is operating
Control ladder
when the
standby master
station is
operating
(Local station
operating)
148
*1
Control program when the master station is operating
Control program when the standby master operation is operating
(local station operation)
Control start relay when the
master station is operating
Control start relay when the
station master station is (local
station) is operating
Set scan waiting completion to
OFF (scan waiting incomplete)
after saving the link devices at
master switching.
Clear the number of scans after
saving the link devices at master
switching.
After saving the link devices
at master switching, wait a
fixed number of scans.
Save RX, RY, RWr, RWw
data to W device
Set the saved data to RY,
RX, RWw, RWr
Refresh change instruction
request ON
Set scan waiting completion to
OFF (scan waiting incomplete)
after saving the link devices at
master switching.
Refresh change instruction
request OFF
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