Omron WS02-CXPC1-V8 - V8.1 REV 02-2009 Operation Manual page 96

Editing the SFC Chart
A simultaneous sequence divergence and 2 subsequent steps will be added.
When using a simultaneous sequence divergence, add SFC elements so that each
branch ends with a step (or subchart step), enabling a simultaneous sequence
convergence.
Adding More Steps
Branches can be added to a simultaneous sequence divergence.
1
A step is added to the simultaneous sequence divergence.
Creating a Simultaneous Sequence Convergence
Add a simultaneous sequence convergence to merge parallel-branched SFC chart
process flows.
In order to add a simultaneous sequence convergence, each parallel-branched
process flow must have a step (or subchart step) as its terminating element.
1
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Right-click an existing simultaneous sequence divergence, and select Add
Simultaneous Divergent Step Branch from the pop-up menu.
Right-click one of the branched steps (or subchart steps), and select Add
Simultaneous Sequence Convergence from the pop-up menu.
Section 3-2