Logix5000 Controllers General Instructions - SLAC Confluence

Program Control Instructions (JMP, LBL, JSR, RET, SBR, JXR, TND, MCR, UID, UIE, AFI, NOP, EOT, SFP, SFR, EVENT) 463Execution:Condition: Relay Ladder Action Structured Text Actionprescan The rung-condition-out is set to false. No action taken.rung-condition-in is false The rung-condition-out is set to false. narung-condition-in is true The instruction executes.naThe rung-condition-out is set to true.EnableIn is set na EnableIn is always set.The instruction executes.instruction execution The instruction pauses or resumes execution of the specified SFC routine.postscan The rung-condition-out is set to false. No action taken.Example:If sfc_en_p is set, pause the SFC routine named normal. Restart theSFC when sfc_en_e is set.Relay LadderPause the SFC routine.Resume executing the SFC routine.Structured TextPause the SFC routine:IF (sfp_en_p) THENEND_IF;SFP(normal,paused);sfp_en_p := 0;Publication 1756-RM003I-EN-P - January 2007