Experimental Physics and Industrial Control System
I am interested in the response to the following question as well (as I have just started using EPID this week myself).
> Another question with regard to replacing pid by epid: Apart from teh
> above scaling issue, have I understood it correct that if the
> following
> scenario:
>
> a pid record controlling an ao record, the latter in
> OMSL=closed_loop,
> output OIF=incremental mode, DOL referencing pid's DM
>
> would be replaced by
>
> epid record having OUTL point to ao record's VAL, ao record
> in OIF=full
> and OMSL=supervisory mode?
I see the EPID record producing a value that should be added to the ao record's VAL field, implying the ao record should have OIF=Incremntal. But with the EPID record putting OVAL into what's pointed to by OUTL (ie the ao record) I'd expect to have
OMSL=supervisory in the ao record.
The way I read the doco I thought EPID would calculate a value that would be put into the ao record (not added to what's already there).
Thanks,
Damien
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- Re: looking for OSI version of epid record Tim Mooney
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