Rockwell Automation 1794-Lxxxx PhaseManager - Manual (Page 61)

Publication LOGIX-UM001B-EN-P - April 2010 61
Equipment Phase Instructions (PSC, PCMD, POVR, PFL, PCLF, PXRQ, PRNP, PPD, PATT, PDET) Appendix A
Example:
Relay Ladder
Structured Text
If ThisPhase.StepIndex = 30 (The routine is at step 30.)
Then the PSC instruction signals that the state is done (complete).
After the controller scans the rest of the routine (rung 5, rung 6, and so forth.), the equipment phase goes to the next
When the SFC reaches Step_002, the PSC instruction signals that
the state is done (complete).