You could put in a counter and break out of that loop after a certain
number of tries?
Maren Purves
East Asian Observatory
(I thought I had sent this earlier but got an error)
On 04/11/18 04:40, Mooney, Tim M. wrote:
> One way to implement a loop is which a calcout record. The CALC
> _expression_ determines whether or not to loop, and the OOPT field
> specifies the condition in which the output link is executed. The
> output link should a CA link, otherwise EPICS will break what looks to
> it like an infinite loop.
>
>
> Tim Mooney (
[email protected]) (630)252-5417
> Beamline Controls Group (
www.aps.anl.gov)
> Advanced Photon Source, Argonne National Lab
>
> ------------------------------------------------------------------------
> *From:*
[email protected] <
[email protected]> on
> behalf of Ivashkevych, Oksana <
[email protected]>
> *Sent:* Wednesday, April 11, 2018 8:21:46 AM
> *To:* Tech-talk
> *Subject:* Which record is the best to use?
>
>
> Hello,
>
> I would like to automate phasing of servomotors in Delta Tau.
>
> 1. Send phasing command via asyn, wait
>
> 2. If Phasing successful(bit x is set), ->DONE
>
> 3. If Phasing error(bit y is set), do 1 again.
>
>
>
> I would like to do it in the database, and not via sequencer, because it
> will give me a luxury of using a substitution file and repeating the
> same for 9 motors and looks much easier. It would be interesting to see
> how Delta Tau will handle several simultaneous phasing requests.
>
>
>
> Thank you for your advice.
>
>
>
> Oksana
>