Mitsubishi Electric MELSEC iQ-F Series Training Manual page 90

4.4.2 Sequence control example with self-holding function and PLF
When executing a control target (process: JOB1) in sequence control, create "Operation memory 1" and
create an actual control program with the condition of "Operation memory 1".
"Operation memory 1"of the actual control program is reset with "Completed PLS1".
To proceed to the next process, create "Next process PLF", which is a falling signal, to turn off
"Operation memory 1" and start "Operation memory 2".
The following shows the examples.
Operation memory 1
Next process PLF
Proceed to the next process
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