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MELSEC-Q
9 DEDICATED INSTRUCTIONS
Function
(1) Data stored in the device designated in (S2) and succeeding devices are sent
according to the control data of the device designated in (S1) and succeeding
devices, via the non procedure protocol of the module specified in Un.
b15 b0
to
(S2) + 0
+ 1
+ 2
Channel 1
Channel 2
QCPU
Q series C24
Send
Send
Channel to be
used is set by
the control data.
(2) The following instructions cannot be executed on a channel on which an OUTPUT
instruction is being executed.
• Other OUTPUT instructions
• PRR instructions
If an attempt is made during execution of an OUTPUT instruction to execute one
of the instructions above, the second instruction will not be executed until the
execution of the OUTPUT instruction is completed.
(3) Whether an OUTPUT 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
OUTPUT instruction is completed, and turns off at the
next END processing.
(b) Status display device
at completion
: Turns on and off depending on the completion status
of the OUTPUT instruction.
• Normal completion : Off with no change.
• Abnormal completion: Turns on at the END
processing of the scan where
the OUTPUT
instruction is
completed, and turns off at
the next END processing.
[Operation during execution of an OUTPUT instruction]
OUTPUT instruction
Execution of OUTPUT
instruction
Completion of transmission by
the OUTPUT instruction
ON
ON
OFF
OFF
END
processing
END
processing
END
processing
END
processing
Sequence
program
Completion device
Status display device
at completion
Abnormal
completion
Normal
completion
One scan