9
DEDICATED INSTRUCTIONS
9.12 J(P).ZNRD
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INDEX
(e) ZNRD instruction execution timing
With J.ZNRD, processing is executed one after another while the start contact is
ON.
With JP.ZNRD, processing is performed one time only when the start contact
turns ON from OFF.
1) When completed normally
Figure 9.94 When the ZNRD instruction is completed normally
1 scan
100
100
ZNRD
Sequence scan
Start contact
Own station CPU
Target station CPU
CC-Link IE controller
network module
Network module
OFF
Completion device
(Device specified in (D2))
Completion status indication
device (Device of (D2)+1)
Read data storage device
(Device specified in (D1))
Sequence scan
Read data storage device
(Device specified in (S1))
END
0
END
0
Channel 1 (Fixed)
END
0
END
0
END
0
END
0
END
0
END
0
END
0
END
0
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