Mitsubishi MELSEC Q Series, Programming Manual

Page: 680 / 816

7-340
7.16 Program Control Instructions
7.16.2 Program output OFF standby
POFF
O peration Error
In any of the following cases, an operation error occurs, the error flag (SM0) is turned ON, and
the corresponding error code is stored to SD0.
• The program with the specified file name does not exist. (Error code: 2410)
• The file name target device exceeds the corresponding device range.
(Error code: 4101)
Remark
1. Non-execution processing is identical to the processing that is performed when
the condition settings for each coil instruction are in the OFF state.
2. The operation results for each coil instruction following non-execution
processing will be as follows, regardless of the ON/OFF status of the condition
settings.
Program Example
In the following program, the program with the file name ABC is set in the nonexecutable and the
standby status when X0 turns ON.
[Structured ladder]
[ST]
POFFP(X0,"ABC");
OUT instruction ...... Forced OFF
SET instruction
...... Maintains status
RST instruction
SFT instruction
Basic instruction
Application instruction
PLS instruction
......
Processing identical to
when condition contacts
are OFF
Pulse generation
instruction ( P)
Current value of low-speed/high-speed timer ...... 0
Current value of retentive timer
...... Retains data
Current value of counter
s
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