[Nps_daq] [EXTERNAL] Re: Suggested EEL/108 / NPS tasks for next couple weeks

[Brad Sawatzky]

Sounds good, thanks for the update.

We do have some flex in mid- to long-term timeline, but we will have to
keep a close eye on schedule for this.  For example, we're only ~6 weeks
away from when the French group was to come in to complete installation.

As you know, lead times on everything become an issue be when it comes
to modifying 1100 components.

All the best,
-- Brad

On Mon, 01 Aug 2022, Fernando Barbosa wrote:

> Hello Brad,
> 
> We are currently conducting tests on the bench to address shielding of
> the dividers (from the PMT socket to the amplifier). We first want to
> have a solution that works on a single unit (almost there) and then
> extend it to the 36 units (one distribution PCB) on the bench. This
> will take about two weeks, I estimate, as we will look for the
> materials needed in view of the detector implementation.
> 
> After we are satisfied with the tests on the bench, we will then move
> to test such a solution on the detector. We will also look at the
> "overcurrent" issue, which might be possibly related to a defective
> divider (the distribution board we got from you works great).
> 
> We will assess the implementation with procurement and installation
> tasks at that time.
> 
> Enjoy your vacation and best regards,
> Fernando
> 
> 
> 
> -----Original Message-----

> From: Brad Sawatzky <brads at jlab.org> 
> Sent: Sunday, July 31, 2022 12:51 PM
> To: nps_daq at jlab.org
> Cc: Walter Kellner <kellner at jlab.org>; Tanja Horn <hornt at jlab.org>; Rolf Ent <ent at jlab.org>; Fernando Barbosa <barbosa at jlab.org>; Chris Stanislav <stanisla at jlab.org>; Aaron Brown <ambrown at jlab.org>; Marc Mcmullen <mcmullen at jlab.org>
> Subject: Suggested EEL/108 / NPS tasks for next couple weeks
> 
> Hi all,
> 
> I'll be on vacation for the next couple weeks (Aug 2--16) so I wanted
> to lay out a suggested path / bullet-list for NPS work over that time.
> Please check the bullet-list below for your name and/or an 'affiliated
> group'.  If I've talked to you in the last couple weeks about NPS
> stuff, your name is probably on the list -- please check :-)
> 
> I'll be relying on the first name in each list to manage the
> subsequent bullets -- please contact me if you have questions/
> comments/concerns!
> 
> If you're a student/post-doc that is on-site *please* contact Hamlet
> to support the cable bundling effort.  That is a lot of work and more
> hands will be *greatly* appreciated!
> 
> 
> Firstly, we've made a lot of progress over the last 1--2 months!
> Despite all the logistical snags with our working space I am actually
> quite encouraged by where we're at.  We've identified a number of
> issues that need to be chased down, but that is just how this kind of
> thing goes.  (And is precisely why we're doing this kind of
> commissioning setup!)
> 
> 
> The Detector and DAQ setup in EEL/108 is very close to being functional.
> Basic checkout has been completed and we do see cosmics signals from
> the instrumented crystals. This is great!  The readout hardware,
> computers, etc are all in place and Bryan (and Ben) are working on
> getting the final CODA details wrapped up.  I'm hoping we can get a
> pulser-driven CODA file with sample data from 1 FADC crate ASAP.  That
> will give the software folks something to chew on (replay scripts,
> ensure 'Hall B'
> FADC firmware payloads are handled by hcana correctly, update plotting
> tools with new leaf names, etc).  Then, once the noise issue is
> resolved, we need to complete full checkout of the 4 instrumented
> columns before the French group returns (mid-Sept).
> 
> The facilities work in EEL/108 is (largely) complete but, just to keep
> things interesting, more work is going to happen in the caged area in
> that space.  So, that means that we will need to clear our materials
> out of that space now and find a space for them...
> 
> ------------------------------------------------------
> --------------------- The List (TM) ------------------
> ------------------------------------------------------
> 
> Hall C Techs (Walter):
> - I'd like your support to move the remaining pallets of signal cables
>   *and* the HV cable bundles from the cage in EEL/108 to the ESB.
> - I would ask for at least 1, ideally 2 more wire baskets to help
>   support that if you can locate them.  I'll check in with you Monday
>   morning.
> 
> Fernando, Chris, et al:
> - We'll need you guys to nail down a solution for the noise issue as
>   soon as possible.   I'm expecting that we'll need to remove the
>   currently installed bases and do some rework with additional grounding
>   and/or EMI shielding as we discussed last week.  (It is really good
>   that you can reproduce and address the noise with your setup on the
>   bench -- that makes me confident that a good solution will be found!)
> 
>   The shielding/grounding changes on the 4 currently instrumented
>   columns must be completed and confirmed *well* before the French group
>   returns in 6 weeks to complete the remaining 950 bases.  Managing
>   lead-times on purchasing/assembling components and (possibly)
>   fabricating shields will be critical to maintain schedule.  Earlier
>   we can get on this, the better.
> 
>   The 'overcurrent' issue associated with the instrumented LV boards
>   still needs to be understood.  Take care with any in-situ LV power
>   tests on the 4 boards presently installed in the NPS.
> 
> Hamlet, Vardan, Oliver, Erik, et al:
> - Please continue bundling cables in the ESB
> - I *strongly* encourage other NPS students/post-docs on-site to contact
>   Hamlet to support this effort!
> 
> David H, Pramita, et al:
> - Once an 'example' CODA file is generated from the production equipment
>   (no pulses, but there will be sample-mode pedestal data), we'll need
>   replay scripts and plotting scripts updated and tested.
>   - David: you'll need to be in touch with Bryan for the ROC IDs, etc to
>     setup the cratemap files properly (or pull them from the CODA file
>     through inspection with evio2xml or similar).
>   - Don't worry about unblocking
> 
> Aaron, Marc, DSG:
> - Priority 1: Please focus on getting your HV (CAEN) and LV (MPOD)
>   software up and running on cdaql3.  (We have workarounds, but running
>   the final, production software is a priority.)
> - Priority 2: User-friendly control software for the LED pulser system.
> - Priority 3: Thermal readout software
>     - Note: We still need to get the readout controller setup and the
>         thermocouples plugged in.  This will be a task for the 2nd half
>         of August.
> 
> Bryan, Ben, et al:
> - Keep doing what you're doing.
> - It would be great to get a running CODA environment setup an have a
>   pulser-driven CODA file with sample data from 1 FADC crate (crate2)
>   as soon as you can.
> 
> 
> 
> -- Brad
> 
-- 
Brad Sawatzky (he/him), PhD <brads at jlab.org> -<>- Jefferson Lab/SciComp/C111
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