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(c) Checking the execution status of the WRITE instruction
The execution status (completion or error) of the WRITE instruction can be checked using the following device
specified by the setting data.
• Completion device (D2)
It is turned on in the END processing of the scan after completion of the WRITE instruction, and is turned
off in the next END processing.
• Completion status indication device ((D2)+1)
It is turned ON in the END processing of the scan after completion of the WRITE instruction, and is turned
off in the next END processing only if the WRITE instruction fails.
(d) WRITE instruction execution timing
• When completed
1 scan
3000
3000
WRITE
Sequence scan
Start contact
Own station CPU
Target station CPU
Master/local module
Network module
Completion device
(Device specified in (D2))
Completion status
indication device
(Device of (D2)+1)
Write data storage device
(Device specified in (S2))
Write data storage device
(Device specified in (D1))
Sequence scan
END0 END0
Channel 1
END0 END0 END0
END0 END0 END0 END0 END0
OFF
OFF OFF
OFF
ON
ON
OFF