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CHAPTER 10 DEDICATED INSTRUCTIONS
10
10.8 JP/GP.REQ (Reading/Writing Clock Data)
(d) REQ instruction execution timing
When the start contact starts up from OFF to ON, the processing is performed one time.
• When completed
1 scan
REQ
Sequence scan
Start contact
Own station CPU
Target station CPU
Clock data read/write
Master/local module
Network module
OFF
Completion device
(Device specified in (D2))
Completion status
indication device
(Device of (D2)+1)
Sequence scan
END0 END0
Channel 1
END0 END0 END0
END0 END0 END0 END0 END0
OFF
OFF
OFF
OFF
ON
ON