[Dsg-hallc_nps] [EXTERNAL] Signal cable labelling scheme (and general labelling)

[Aaron Brown]

Hi Brad,

We have been using a different numbering system which you can see here: https://www.jlab.org/div_dept/physics_division/dsg/technical_documentation/Hall_C/NPS-2/guis/NPS%20Channel%20Assignments.xlsx

I have no problem changing the numbering to be the same as for the CAEN system.
It actually makes more sense to do it this way since each column of PMTs is connected to one CAEN module.
Moving forward we'll make sure to use this numbering system.

I'll also make sure to update the channel list spreadsheet to reflect the new numbering system.

Thanks,
Aaron
________________________________
From: Dsg-hallc_nps <dsg-hallc_nps-bounces at jlab.org> on behalf of Brad Sawatzky <brads at jlab.org>
Sent: Wednesday, October 7, 2020 4:24 PM
To: dsg-hallc_nps at jlab.org <dsg-hallc_nps at jlab.org>
Subject: [Dsg-hallc_nps] [EXTERNAL] Signal cable labelling scheme (and general labelling)

Hi all,

Our vendor is ready to start producing the RG-58 signal cables and is
asking how we want them labelled.

My inclination is for the label scheme to follow the pattern imposed by
the 36 channel HV cards (which aligns with the 36 crystal columns).

** I would like to start counting at '0'.  The CAEN software and the
   analyzer are generally indexed that way, and there is eternal
   confusion and off-by-one errors if we mix conventions.  Please let's
   just start counting at zero :-)

So I would suggest a labelling scheme of "row# - col$", starting at 0:
  00 - 00
   . . .
  00 - 35

  01 - 00
   . . .
  01 - 35
   . . .
   . . .
  29 - 00
   . . .
  29 - 35

Any objections / comments?

If another label scheme already exists, please send me the spec so we
are consistent.

-- Brad

--
Brad Sawatzky, PhD <brads at jlab.org>  -<>-  Jefferson Lab / Hall C / 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
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