9
DEDICATED INSTRUCTIONS
9.8 J(P)/G(P).REQ (Reading/Writing Clock Data)
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(e) REQ instruction execution timing
With J.REQ or G.REQ, processing is executed one after another while the start
contact is ON.
With JP.REQ or GP.REQ, processing is performed one time only when the start
contact turns ON from OFF.
1) When completed normally
Figure 9.60 When the REQ instruction is completed normally
1 scan
REQ
Sequence scan
Start contact
Own station CPU
Target station CPU
Clock data read/write
CC-Link IE controller
network module
Network module
OFF
Completion device
(Device specified in (D2))
Completion status indication device
(Device of (D2)+1)
Sequence scan
END
0
END
0
Channel 1
END
0
END
0
END
0
END
0
END
0
END
0
END
0
END
0
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