Mitsubishi Melsec-L Series User Manual page 232

Error
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(3) Whether an OUTPUT instruction was completed or failed 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 an OUTPUT instruction]
Sequence
program
OUTPUT instruction
Completion device
Status display device
at completion
(1) When a dedicated instruction is failed, the abnormal completion signal, (D)+1,
turns on and the error code is stored in the transmission result (S1)+1.
In case of operation errors, Error flag (SM0) turns on and the error code is stored
in SD0.
Refer to the following according to the error code, and check and correct the error.
<Error code>
4FFF or less: MELSEC-L CPU Module User's Manual (Hardware Design,
H
Maintenance and Inspection)
7000 or later: Section 15.2
H
OUTPUT instruction is completed, and turns off at the
next END processing.
: Turns on and off depending on the completion status
of the OUTPUT instruction.
• Normal completion
• Abnormal completion: Turns on at the END
END
END
processing
processing
Execution of OUTPUT
instruction
OFF
OFF
12 DEDICATED INSTRUCTIONS
: Off with no change.
processing of the scan where
the OUTPUT instruction is
completed, and turns off at
the next END processing.
END END
processing processing
Completion of transmission by
the OUTPUT instruction
ON
Abnormal
ON
completion
Normal
completion
One scan
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