Omron SYSMAC CX-Programmer 8.1, Operation Manual

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Elements of SFC Section 2-3
62
Loop
Step 2
Step 1
Trans1
Trans2
FALSE
FALSE
•
With a jump, an arrow and the step number for the jump destination are described
after a transition.
•
A jump entry is represented by an arrow immediately before the jump destination
step (after the transition).
•
When the transition conditions for the transition after the jump source step are met,
the active status is transferred, provided that the jump destination step is currently
in the inactive status.
Procedures:
Adding a Jump
Right-click a transition, select Connections - Add Jump From Transition to prepare
a connection, and then connect it to step, which will become the destination of the
jump.
Skip
Skip is a divergence, which has a transition element but no step element.
Step 3
Step 2
Step 4
Step 5
Step 6 Step 7
Step 8
Trans2 FALSE
FALSE
FALSE
FALSE
FALSE
FALSE
FALSE
FALSE
FALSE
Trans5
Trans7
Trans9
Trans3
Trans6
Trans8
Trans10
Trans4
Procedures:
Adding a Skip
Right-click a convergence, select Connections - Add Connection To Convergence
to prepare a connection, and then connect it to the transition to be skipped.
2-3-9 Automatic Registration of SFC Elements as Local Variables
When a step, an action program, a transition, action with a bit specification, or an SFC
element for a subchart is created, a system variable is automatically registered in the
local symbol table.