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<== Date ==> <== Thread ==>

Subject: Re: Channel Access
From: Paul Sichta <psichta@pppl.gov>
To: Qazi Zia-ul-Haque <smzhaq@gmail.com>, tech-talk@aps.anl.gov
Date: Mon, 12 Mar 2012 10:23:31 -0400
Zia,
A firewall on the server or client can block the ports (5064, 5065)
needed for CA search and server beacon. Is the IOC (server) and caget
(client) on the same subnet?  At the IOC shell, typing   dbl   , does
it display the record you are trying to read?

-ps


On Sun, Mar 11, 2012 at 08:01, Qazi Zia-ul-Haque <smzhaq@gmail.com> wrote:
> Hi all
>
> I am facing problems while after installing EPICS3.14.12.2. in a machine.
> The EPICS apparently installed successfully without reporting errors. An
> example application was also made and run using makeBaseApp.pl utility.
> However the problem is being faced while trying to access the CA variables
> using channel access. Path to the directory containing caget is added and
> caget is being called but returning failure in connecting to channel i.e.
> connectivity to CA variables is not being established.
>
> I need your kind guidance for it.
>
> With Best Regards
>
> --
> Zia
> Control Engineer
> Synchrotron-light for Experimental Sciences and Applications in the Middle
> East (SESAME)
> P. O. Box 7, Allan 19252, Jordan
> Phone: +962-5-3511348 Ext: 239
> Cell:     +962-79-5295527
> Res:      +962-5-3511463
>


References:
Channel Access Qazi Zia-ul-Haque

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