[Dsg-rich] Update hardware interlock program to include differential pressure transducers?

[Marco Contalbrigo]

Hi Tyler, Matteo,
last week with Valery we defined the RICH status during the
long beam shutdown to be:

HV off (no need to keep ON except for tests)

LV on (to keep the cooling volume warm and maintain stable
the humidity inside the RICH)

As soon as you finish your work on the cRio, please switch
the LV on again.

Thanks, Marco.


On Tue, 13 Mar 2018, Tyler Lemon wrote:

> Hi Matteo, 
> 
> I turned off the RICH LV and turned the override switch off. 
> 
> When you need to start your testing in the morning, you should just be able to power everything back
> on as normal. 
> 
> Best regards,
> Tyler
> 
> On Mar 13, 2018, at 10:54 AM, Matteo Turisini <matt at jlab.org> wrote:
> 
> Tyler,
> 
> I am not using/monitoring the RICH today. You can keep LV off as long as you need it.
> 
> Thanks,
> 
> Matteo
> 
> Il giorno 13 mar 2018, alle ore 14:42, Tyler Lemon <tlemon at jlab.org> ha scritto:
>
>       Hi Matteo,
>
>       We will make sure the cRIO is back online this afternoon so the system is ready for
>       your electronic tests.
>
>       Since LV is still on, should we still use the override switch or can LV be disabled
>       by a cRIO reboot?
>
>       Best regards,
>       Tyler
> 
> ______________________________________________________________________________________________________
>       From: "Matteo Turisini" <matt at jlab.org>
>       To: "Tyler Lemon" <tlemon at jlab.org>
>       Cc: "dsg-rich" <dsg-rich at jlab.org>
>       Sent: Tuesday, March 13, 2018 9:37:37 AM
>       Subject: Re: [Dsg-rich] Update hardware interlock program to include differential
>       pressure transducers?
> 
> Hi Tyler,
> 
> you can go ahead, please let me know when you’re done, tomorrow morning Italian time I
> would continue the electronics testing.
> 
> Thanks,
> 
> Matteo
> 
> Il giorno 13 mar 2018, alle ore 13:42, Tyler Lemon <tlemon at jlab.org> ha scritto:
>
>       Hello,
> 
> To add the differential pressure transducers to RICH's hardware interlock LabVIEW
> program, RICH's N2 cRIO will need to be taken offline.
> 
> Marco Mirazita requested yesterday to coordinate to ensure the cRIO being taken
> offline does not affect any electronics testing.
> 
> Are there any tests today for RICH where the N2 cRIO should not be taken offline?
> 
> If there are ongoing tests, we can use the override switch again to prevent power to
> RICH from being disabled.
> 
> Best regards,
> Tyler
>
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