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You use branches to program parallel or alternative sequences in the sequential function chart.

In the case of alternative branches, CODESYS processes just one of the branch lines at a time, depending on the preceding transition condition. Parallel branches are processed at the same time.

For more information, see: ⮫ “Programming in SFC ”, ⮫ “Creating a POU in SFC ”, ⮫ “Adding a step-transition ”, ⮫ “Adding an entry action ”, ⮫ “Adding an exit action ”, ⮫ “Adding an action ”, ⮫ “Adding an alternative branch ”, ⮫ “Adding a jump ”, ⮫ “Adding a macro ”, ⮫ “Adding an association ” and ⮫ “Processing Order in SFC ”