Set Sequence Priorities
Use
Set Sequence Priorities
to set or view the order in which sequences are evaluated in selection branch legs. By default, selection branch legs are evaluated from left to right, based on their position within the sequential function chart routine. The first transition that evaluates TRUE determines which single sequence executes.Field | Description |
|---|---|
Use default priorities (left to right on routine) | Select this box to have the controller evaluate the selection branch sequences from left to right. Selecting this box disables the Up and Down buttons and the selection branch sequence list. Clearing this box causes the controller to evaluate the selection branch sequences in the order specified in the selection branch sequence list. The evaluation order number is shown on the sequential function chart diagram next to each selection branch sequence. |
Up/Down buttons | Select to change the priority of a highlighted sequence in the list. |
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