[Hps-ecal] hv currents

[Stepan Stepanyan]

Gabriel,

I believe /home/hpsrun is on our clon machines in counting room.

Stepan
On 11/27/14, 12:14 PM, Gabriel CHARLES wrote:
> Hi Nathan,
>
>     I've tried to access the hv files but:
> ifarm1101> cd /home/hpsrun/
> /home/hpsrun/: Permission denied.
> And:
> ifarm1101> ls /home/hpsrun/.ecalhv
> ls: cannot access /home/hpsrun/.ecalhv: Permission denied
>
> Is it because I'm not using the JLab network? When you will have time
> could change the permission access please or copy it somewhere I can
> access to?
>
> Regards,
> Gabriel
>
> Le 2014-11-26 20:33, Nathan Baltzell a écrit :
>> Hi Everyone,
>>
>> The one remaining HV group that was not at nominal voltage had its
>> current
>> limit raised a week ago (to 65 uA, the largest of all channels), and
>> we've had
>> no trips since then and all channels holding at nominal voltages.
>> Here's a pic
>> of the channels currently with high draw.
>>
>> Also, in ~hpsrun/.ecalhv is a set of text files with current readbacks
>> (filenames
>> contain timestamp). These are set to go to a database automatically
>> before
>> long, but meanwhile I have a cronjob recording them hourly in those
>> text files
>> for at least the past week (there were some blips due to ioc/network
>> changes
>> early last week). Intent is to see the time-dependence, just need to
>> write a
>> script to read and plot them ...
>>
>> -Nathan
>>
>> Begin forwarded message:
>>
>>> From: Gabriel CHARLES <charlesg at ipno.in2p3.fr>
>>>
>>> Subject: Re: [Hps] Run schedule for next week
>>>
>>> Date: November 26, 2014 4:10:16 PM EST
>>>
>>> To: Nathan Baltzell <baltzell at jlab.org>
>>>
>>> If I am right there is one HV group that do not work at nominal
>>> value, should we take care of it during the HPS target assembly?
>>>
>>> Le 2014-11-26 15:57, Nathan Baltzell a écrit :
>>>
>>>> Dear Everyone,
>>>> Next week the accelerator will work to resume multi-hall
>>>> operation, and
>>>> it is possible Hall-B will have beam as early as Thursday evening.
>>>> So, shifts in the Hall-B counting room are set to resume on
>>>> Thursday,
>>>> December 4 with the swing shifts.
>>>> The previously planned down time Dec. 5-12 has been cancelled and
>>>> will
>>>> now need to have shifts manned.
>>>> The plan is for the HPS target assembly to have been installed and
>>>> tested
>>>> by Wednesday, and the full beamline returned to vacuum and the
>>>> hall closed
>>>> on Thursday. Then take beam to the tagger dump and repeat and
>>>> finish
>>>> quality studies, and then do the same with beam to the Faraday
>>>> cup.
>>>> Regards,
>>>> Nathan
>>>> _______________________________________________
>>>> Hps mailing list
>>>> Hps at jlab.org
>>>> https://mailman.jlab.org/mailman/listinfo/hps
>>> --
>>> Gabriel CHARLES
>>> Institut de Physique Nucléaire d'Orsay
>>
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