Sfc Instructions - Omron CJ - INSTRUCTIONS REFERENCE MANUAL 07-2009 Reference Manual

SFC Instructions

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 step is indicated by a solid circle (
Example 1: Action 1 in step 2 can be used to make step 4 active.
Step1
●
Step2 N
Step3
Step4
Example 2: A subchart step can be specified to make the subchart active.
Step1
●
Step2 N
Step3
Step4
CS/CJ/NSJ Series Instructions Reference Manual (W474)
Mnemonic
SA Makes the specified step or subchart active to start execution of the actions.
SE Makes the specified step or subchart inactive to end execution of the actions.
●
Step N Action1
Actions executed.
Step N Action1
Actions not executed.
Action1
Made active
Step5
Action1
Made active
Step5
Outline
●
).
SA
Step4.X
SA
Step3.X
3. Instructions
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