Experimental Physics and
Industrial Control System

Andrew Johnson <[email protected]> · Mon, 24 Jan 2011 13:40:53 -0600

On Monday 24 January 2011 13:04:20 [email protected] wrote:
> On 03:48 Sat 22 Jan, Matthieu Bec wrote:
> > I think your routine needs to return 0 on success to push the values out
>
> Yes, that fixed the problem.
> With gensub I used counter to keep tracks of how many times the record was
> called. For gensub records, the returned value was assigned to the record.

For aSub records the value returned by the subroutine is an error status; if 
it returns a negative number the record goes into SOFT_ALARM with severity 
controlled by the BRSV field.  Positive but non-zero status values do not 
result in an alarm, but they do disable pushing the OUTx links.

> Q: Is there a way to change the value of the asub record?

The VAL field is set to the return status of the subroutine, but it only 
pushes the VALx field values through their OUTx links if that status is zero 
(OK).  You'll want to use a different VALx field to hold your counter.

- Andrew
-- 
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Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System