Step Relay (S) - Mitsubishi Electric melsec q00ujcpu User Manual

9.2.9

Step relay (S)

This device is provided for SFC programs.
Because the step relay is a device exclusively used for SFC programs, it cannot be used as an internal relay in the sequence
program.
If used, an SFC error will occur, and the system may go down.
Remark
For use of the step relay, refer to the following.
QCPU (Q Mode)/QnACPU Programming Manual (SFC)
CHAPTER9 DEVICES
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