Rockwell-automation 1784-PM16SE SoftLogix Motion Card Setup and Config Manual de usuario descargar pdf (Pagina 42)

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Publication 1784-UM003A-EN-P – June 2003

34 SoftLogix Controller

Execution Control

This determines the execution model for the SFC. Your options are:

• Execute current active steps only – Execution control is returned to

the controller after processing the active steps, even if the Transitions

following the active steps are True.

• Execute until False transition – The controller continually processes

Steps and Transitions, in a single scan, until a False Transition is found.

It then returns to the Controller operating system.

Restart Position

Your selection here indicates at what point the SFC starts after it has

completed executing and been restarted.

• Restart at most recently executed step – Restarts at the step where it

left off.

• Restart at initial step – The SFC re-initializes and starts at the Initial

Step.

Last Scan of Active Steps

This determines how the controller performs a final scan of Action logic when

the associated Step is deactivated.

• Automatic reset – All non-retentive timers and outputs associated with

the Step’s non-stored Actions are reset when the step is deactivated.

• Programmatic reset – All non-retentive timers and outputs associated

with the Step’s non-stored Actions must be reset manually.

• Don’t scan – No scan is done on the Action logic when the associated

Step is deactivated.

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Rockwell-automation 1784-PM16SE SoftLogix Motion Card Setup and Config Manual de usuario Pagina 42

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