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<== Date ==> <== Thread ==>
Subject: Re: Ability to change a record in an IOC when another IOC is exited
From: Ralph Lange via Tech-talk <tech-talk at aps.anl.gov>
To: EPICS Tech Talk <tech-talk at aps.anl.gov>
Date: Tue, 24 May 2022 17:29:26 +0200


On Tue, 24 May 2022 at 17:26, Michael Davidsaver via Tech-talk <tech-talk at aps.anl.gov> wrote:
On 5/24/22 08:20, Wang, Andrew via Tech-talk wrote:
> Hi all,
>
> Suppose I have an IOC called foo that contains an analog input record called foo_record and I have another IOC called bar. Is there a possible way to input a value into foo_record when bar is exited? For instance, if I exit bar, I want foo_record to have a certain value.

A link with the CP modifier will alarm with INVALID severity while disconnected.

And you can use that in combination with the IVOA/IVOV mechanics of an output record to write a specific value into a specific place.

References:
Ability to change a record in an IOC when another IOC is exited Wang, Andrew via Tech-talk
Re: Ability to change a record in an IOC when another IOC is exited Michael Davidsaver via Tech-talk
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