15- 12
Chapter 15 Dedicated Instructions
[Functions]
(1) The ZP.PFWRT instruction completion can be confirmed using the complete
devices ((D)+0) and ((D)+1).
(a) Complete device ((D)+0)
This device is turned ON by the END processing of the scan for which
ZP.PFWRT instruction is completed, and turned OFF by the next END
processing.
(b) Complete state display device ((D)+1)
This device is turned ON and OFF according to the state in which ZP.PFWRT
instruction is completed.
• When completed normally : Kept unchanged at OFF.
• When completed abnormally : This device is turned ON by the END
processing of the scan for which ZP.PFWRT
instruction is completed, and turned OFF by
the next END processing. (same ON/OFF
operation as complete device).
END
processing
END
processing
END
processing
END
processing
OFF
OFF
OFF
ON
ON
ON
When
completed
abnormally
When
completed normally
1 scan
ZP.PFWRT instruction
execution completion
Sequence program
ZP.PFWRT instruction
Complete device
Complete state display
device
[Errors]
(1) When a dedicated instruction is completed abnormally, the error complete signal
((D)+1) is turned ON, and the error code is stored in the complete status ((S)+1).
Check and take measures against the error referring to Section 16.5 "List of
errors".
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