Appendix A; Specifications For Step Control Instructions - Omron WS02-CXPC1-V8 - V8.1 REV 02-2009 Operation Manual

Specifications for Step Control Instructions

Step Control Instructions are used to control the active status of steps and subcharts in SFC programs.
There are two Step Control Instructions.
Instruction
STEP ACTIVATION
STEP
DEACTIVATION
Status is changed as follows by the Step Control Instructions.
Active
SA SE
Inactive
Note: The active steps is indicated by a solid circle ( ).
Example 1: Action 1 in step 2 can be used to make step 4 active.
Step1
Step2 N Action1
Step3
Step4 Step5
Example 2: A subchart step can be specified to make the subchart active.
Step1
Step2 N Action1
Made active
Step3
Step4 Step5
Refer to 2-3-1 Steps for information on using the Step Control Instructions (

Appendix A

Mnemonic Outline
SA Makes the specified step or subchart active to start execution of the actions.
SE Makes the specified step of subchart inactive to end execution of the actions.
Step N Action1
Actions executed.
Step N Action1
Actions not executed.
Step4.X
Made active
Step3.X
SA
SA
SA/SE).
117