Mitsubishi Melsec-L Series User Manual page 225

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(4) Whether a CPRTCL instruction was completed normally or abnormally can be
checked by the completion device ((D)) or status display device at completion
((D)+1).
(a) Completion device: Turns ON at the END processing of the scan where the
(b) Status display device
at completion
[Operation during execution of the CPRTCL instruction]
Sequence program
CPRTCL instruction
Completion device
Status display device
at completion
POINT
The following describes how to check the execution status of protocols.
(1) Checking with the buffer memory
Use the protocol execution status (address: 4041
For details, refer to Appendix 1.
(2) Checking with GX Works2
Open the "Predefined Protocol Function" tab in the "State Monitor" screen.
For details, refer to Section 13.2.
CPRTCL instruction is completed, and turns OFF at the
next END processing.
: Turns ON and off depending on the completion status of
the CPRTCL instruction.
Normal completion
Error completion
END END
Execution of
CPRTCL instruction
OFF
OFF
12 DEDICATED INSTRUCTIONS
: OFF with no change.
: Turns ON at the END
processing of the scan where
the CPRTCL instruction is
completed, and turns OFF at
the next END processing.
END
Completion of
sending by
CPRTCL instruction
ON
Error
completion
ON
Normal
completion
One scan
/4051 ).
H H
END
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