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Appendix A
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
Mnemonic
Outline
STEP ACTIVATION
SA
Makes the specified step or subchart active to start execution of the actions.
STEP
DEACTIVATION
SE
Makes the specified step of subchart inactive to end execution of the actions.
Status is changed as follows by the Step Control Instructions.
Active
Inactive
SA
Actions executed.
N
Action1
Step
z
N
Action1
Step
Actions not executed.
SE
Note: The active steps is indicated by a solid circle (
z
).
Example 1: Action 1 in step 2 can be used to make step 4 active.
SA
Step4.X
N
Action1
Step1
Step2
z
Step4
Step5
Step3
Made active
Example 2: A subchart step can be specified to make the subchart active.
SA
Step3.X
N
Action1
Step1
Step2
z
Step4
Step5
Step3
Made active
Refer to
2-3-1 Steps
for information on using the Step Control Instructions (
SA/SE).
Summary of Contents for SYSMAC CX-Programmer 8.1
Page 1: ...Operation Manual SFC Programming SYSMAC WS02 CXPC1 V8 CX Programmer Ver 8 1 Cat No W469 E1 04...
Page 2: ...ii CX Programmer Ver 8 1 WS02 CXPC1 V8 Operation Manual SFC Programming Revised February 2009...
Page 16: ......
Page 56: ...Precautions When Creating SFC Programs Section 1 5 40...
Page 118: ...Monitoring Section 4 5 102...
Page 150: ...Index 134...
Page 152: ...Revision History 136...
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