[Dsg-hallb_magnets] Fast DAQ 'data gaps'

[Wesley Moore]

Tyler, 

With KPP and I wasn't willing to mess with the gateways, etc. However with that now complete, I'll reroute the fast daq IOC to talk directly to the cRIO's IOC. It's a bit to test out other stuff, so I'll do it tomorrow. 

Find out why the cRIO maxs out at 2048 on the array size. That's really why we are doing it this way to begin with (5Hz). Otherwise, we could do 5000pts/2Hz or 10,000pts/1Hz. This would cut down on the jitter also. 

To get the data in older question, run: 
jcache get /mss/hallb/torus/data/<filename> 

It won't show up immediately, but will queue the scicomp systems to pull it from tape. 

Wesley 

> From: "Tyler Lemon" <tlemon at jlab.org>
> To: "dsg-hallb magnets" <dsg-hallb_magnets at jlab.org>, "Nathan Baltzell"
> <baltzell at jlab.org>
> Sent: Monday, February 13, 2017 1:50:08 PM
> Subject: Re: [Dsg-hallb_magnets] Fast DAQ 'data gaps'

> Hello Ruben,
> In the last meeting held February 1 ,2017 to discuss the time gaps, Wesley and
> Nathan mentioned that they would try taking down the EPICS Live FastDAQ screen
> to see if limiting access to cRIO data would fix the time gaps.

> Wesley and Nathan,
> Has stopping the EPICS Live FastDAQ screen had any affect on the time gaps?
> Also, where could I access the EPICS recorded FastDAQ data from the Fall 2016
> full-current commissioning? It would be good to compare the recorded data from
> Fall 2016 to the data from the KPP to see if the amount of time gaps has
> changed.

> Best regards,
> Tyler

> From: "Ruben Fair" <rfair at jlab.org>
> To: "Tyler Lemon" <tlemon at jlab.org>, "Wesley Moore" <wmoore at jlab.org>
> Cc: "Probir Ghoshal" <ghoshal at jlab.org>, "Renuka Rajput-Ghoshal"
> <renuka at jlab.org>
> Sent: Monday, February 13, 2017 8:20:52 AM
> Subject: Fast DAQ 'data gaps'

> Tyler,

> What is the status of this?

> I believe you were going to work with Wesley to investigate whether the soft
> IOCs could be causing an issue?

> Regards

> Ruben

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