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

[Brad Sawatzky]

Sounds good.  Thanks Aaron.

-- Brad

On Wed, 07 Oct 2020, Aaron Brown wrote:

> 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