[Dsg-hallc_nps] [EXTERNAL] Re: responses to comments/corrections (NPS)

[Brad Sawatzky]

Thanks very much Aaron, sounds good.

The meeting you set up on Monday works for me.

-- Brad

On Thu, 10 Nov 2022, Aaron Brown wrote:

> Hi Brad,
> Thanks for your email.
> Some questions/comments:
> 
>  1. You mention that installation in the hall will begin in Spring 2023, is
>     there a date for this? Is this a question I should direct to Mark Jones?
>  2. With regards to the VLD, the work has not stalled. Brian has worked on
>     the test drivers and Linux drivers with William Gu and Bryan Moffit.
>     Currently, Brian is working on the EPICS drivers. Be that as it may, we
>     can't guarantee that the code will be done by the end of January 2023. I
>     think we do not need to have a meeting with the FE/DAQ group.
>  3. With regards to the cRIO, attached is a diagram with the dimensions of
>     the rack mounted box we intend to use to house the cRIO (model #
>     NI-9045).
>  4. I think it would be a good idea to get together at the end of this week
>     or the beginning of next week to go over the hardware and cabling.
>  5. The alarm PVs are being addressed by Pablo.
> 
> Best,
> Aaron
> 
> ----------------------------------------------------------------------------
> 

> From: Brad Sawatzky <brads at jlab.org>
> Sent: Monday, November 7, 2022 12:55 PM
> To: Aaron Brown <ambrown at jlab.org>
> Cc: Dsg-hallc_nps at jlab.org <dsg-hallc_nps at jlab.org>; Patrizia Rossi
> <rossi at jlab.org>; Mark Jones <jones at jlab.org>
> Subject: [EXTERNAL] Re: responses to comments/corrections (NPS)
> 
> Hi Aaron, (et al.),
> 
> Thanks very much for the clarifications.  It is clear there is some
> confusion here and I really appreciate your notes.  I also really
> appreciate all the work that has been done by the DSG -- this is
> a huge job.
> 
> -----------------------------------------------
> Plans/Goals:
> -----------------------------------------------
> The longstanding goal for NPS has been to have every system (detector,
> DAQ, cooling/chiller, slow-control readbacks, LED ssytem, etc) tested
> in EEL/108 before the system goes to the Hall.
> 
> The ultimate (practical) deadline for a fully-implemented system in
> EEL/108 is January.  That gives us time to debug/troubleshoot before
> breaking the system down and beginning installation into the Hall in
> spring 2023.
> 
> The expectation is for the French group to return to JLab towards the
> end of November or early-Dec to complete installation of PMTs and
> support any other cabling/internal wiring work needed.  This could
> include internal connections to the humidity sensors.  The humidity
> sensors did get installed when they were on-site last month.
> 
> The intent is that when they are done, we should have a mechanically/
> electrically complete NPS detector system.  (To my knowledge the exact
> travel dates for the group are still TBD though.)
> 
> -----------------------------------------------
> Cabling support (not DSG):
> -----------------------------------------------
> Physically cabling things up is definitely not the responsibility of the
> DSG :-)  When I was talking about 'hook-up' support, it was in the
> context of advice and troubleshooting.  I think we're on the same page
> there.
> 
> -----------------------------------------------
> LED/VLD support:
> -----------------------------------------------
> I definitely agree that the as-is drivers for the VLD boards were not
> were I had understood them to be back in the summer.  My understanding
> from some conversations/emails in August was that you folks were in
> touch with Bryan Moffit and William Gu to get the drivers where you
> needed them to be.  There were a flurry of emails between Brian E.,
> William, and Bryan M. in late August surrounding some VLD firmware
> updates and prototype drivers.  The last note that I have was a reply to
> Brian Eng on  8/23 confirming use of some hardware and a summary of LED
> controls that needed to be exposed to the user.  I guess I assumed that
> work was ongoing -- has it stalled out?
> - Do we need a separate meeting with the FE/DAQ group on this?
> 
> -----------------------------------------------
> Chiller:
> -----------------------------------------------
> I had forgotten to mention the chiller controls in my earlier email.
> I'm glad to hear it is basically ready to go.
> 
> -----------------------------------------------
> Humidity sensor 5V supply:
> -----------------------------------------------
> The 5V supplies for the humidity sensors will certainly go in the
> rack near the MPOD Low-voltage supply.  The new power supply cable (4
> twisted-pairs) that we discussed can follow the same path from rack.
> 
> -----------------------------------------------
> cRIO question:
> -----------------------------------------------
> I am a little unclear on the cRIO form-factor, where it will need to be
> installed (power, network, cabling requirements, etc.)  I'm sure there
> are no issues, but I'd feel better if we could move that equipment into
> EEL/108 and get it on the Hall C network sometime soon.
> - Perhaps we can meet later this week and find a location for the
>   cRIO gear and 5V supply in our EEL/108 racks?
> 
> -----------------------------------------------
> PV Alarms for chiller/HV/LV/humidity/temp etc:
> -----------------------------------------------
> Thanks for the update on the PV alarms.  I knew BEAST was deprecated,
> but I wasn't sure what the current plan was for that.
> 
> All the best,
> -=- Brad
> 
> On Thu, 03 Nov 2022, Aaron Brown wrote:
> 
> > Hi Brad,
> >
> > Attached please find a word document addressing your comment and
> > corrections.
> >
> > Have a great evening!
> >
> > Best,
> > Aaron
> 
-- 
Brad Sawatzky (he/him), PhD <brads at jlab.org> -<>- Jefferson Lab/SciComp/F272
Ph: 757-269-5947  -<>-  Fax: 757-269-5235  -<>- Pager: brads-page at jlab.org
The most exciting phrase to hear in science, the one that heralds new
  discoveries, is not "Eureka!" but "That's funny..."   -- Isaac Asimov