Experimental Physics and
Industrial Control System

> 
> 
>  
> > 2a)The value 1 is written to the record and the record starts  processing
> >    Record processing calls device support which queues a request to the device
> >    and tells record support that it has started asyn processing.
> >    The 1st phase of processing completes. Record is unlocked but active.
> 
> If PACT is TRUE via step 1, why does this record process when a value is 
> written to it here?


PACT is no longer TRUE. Remember that honoring the HIGH field is done via a
completely new request for record processing. The PACT field is only kept
TRUE between asyn start and asyn completion.

Marty Kraimer  

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