Loop topology
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⟩ Loop topology

Loop topology

A loop topology has a path of execution that links back into a preceding step to create a loop which repeats the execution of steps. The example shows an Equipment Sequence diagram that contains a sequence loop.
Item
Name
Description
Transition preceding a branching structure
This transition serves to stop the preceding step and start its following step, just as any transition does in a series.
Selective convergence
This is the way the loop structure is entered.
Selective divergence
This is the way the loop structure is exited.
Transition after the selective divergence branch for the loop
If the transition in the loop evaluates as true, the loop becomes the execution path.
Transition after the selective divergence for the non-loop path
If the transition in this path evaluates as TRUE, this path is the execution path.
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