Experimental Physics and
Industrial Control System

Diego Sanz Hernando <[email protected]> · Thu, 7 Jun 2018 14:01:39 +0000

As another testimony.... I confirm that the best way, in this case, is using an intermediate real IOC, to read from NI shared variables, and have the full EPICS features in the real IOC.... about the first initialization fails, I have had similar behavior.
Regards

Diego

-----Original Message-----
From: [email protected] [mailto:[email protected]] On Behalf Of Hartman, Steven M.
Sent: jueves, 7 de junio de 2018 15:50
To: Florian Feldbauer <[email protected]>
Cc: [email protected]
Subject: Re: EPICS for CompactRio

> On Jun 7, 2018, at 5:18 AM, Florian Feldbauer <[email protected]> wrote:
>
> I have seen, that NI provides a so called EPICS Server I/O Servers plugin which, as far as I understood, can be used on the CompactRIO system to publish shared variables as PVs to EPICS CA Clients.
>
> I’d like to know if anyone has experience using the CompactRIO with EPICS?

We are using it. It is functional but it is not a full feature CA server. We are treating it like remote I/O with CA as the field bus. We have other records on an actual IOC that take the cRIO PVs as inputs. Scaling, alarms, etc are all handled by the actual IOC and clients (display manager, alarms, archive) generally interact with the IOC PVs rather than the ones served by the cRIO. One peculiarity we have seen with the cRIO is that the first client that connects does not always get a valid response.

> Does the plugin support fields like HIHI, HHSV, ADEL, MDEL?

HIHI and HHSV: yes
ADEL and MDEL: no

--
Steven Hartman
[email protected]

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Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System