[Dsg-hallc_nps] [EXTERNAL] Re: Keysight terminal block cables question
Brad Sawatzky
brads at jlab.org
Tue Nov 22 14:39:40 EST 2022
Gotcha -- thanks for the follow-up!
-- Brad
On Tue, 22 Nov 2022, Aaron Brown wrote:
> Hi Brad,
> We can certainly set up a comms test in EEL 108, but it will have to be
> after the first 2 extension cables have been fabricated (each terminal block
> requires 2 d-sub cables).
> Just as a heads up, we're looking into procuring some additional cable as we
> planned on making ~50 ft cables for 4 terminal blocks (10 cables including 2
> spares).
> Because of the new terminal block for the crystal array thermocouples, we
> now need 12 cables including 2 spares.
> We will go ahead and start fabricating these cables while procuring the
> additional cable length and connectors needed.
> Plan going forward is to fabricate twelve 60 ft. cables (10 necessary for 5
> terminal blocks - 2 cables each, and 2 spare cables) and connectors.
> -- Aaron
>
> ----------------------------------------------------------------------------
>
> From: Brad Sawatzky <brads at jlab.org>
> Sent: Tuesday, November 22, 2022 11:03 AM
> To: Paulo Medeiros <medeiros at jlab.org>; Aaron Brown <ambrown at jlab.org>
> Cc: Carlos Munoz Camacho <munoz at jlab.org>; Robert Michaels <rom at jlab.org>
> Subject: [EXTERNAL] Re: Keysight terminal block cables question
>
> Hi Aaron,
>
> Let's be sure to schedule a communication test in EEL/108 after the
> first extension cable is completed.
>
> -- Brad
>
> On Tue, 22 Nov 2022, Paulo Medeiros wrote:
>
> > Hello ,
> > Just got back in from a short trip and been playing catch-up.
> > So, after reviewing the cable run I would say we should have at least 60
> > feet of total cable length.
> > Please see attached slide for your reference.
> > *Paulo Medeiros
> > Hall-C Engineering
> > (757) 269-7065
> >
> >
> ----------------------------------------------------------------------------
> >
>
> > From: Brad Sawatzky <brads at jlab.org>
> > Sent: Monday, November 21, 2022 3:05 PM
> > To: Aaron Brown <ambrown at jlab.org>; Paulo Medeiros <medeiros at jlab.org>
> > Cc: Carlos Munoz Camacho <munoz at jlab.org>; Robert Michaels <rom at jlab.org>
> > Subject: [EXTERNAL] Re: Keysight terminal block cables question
> >
> > Fantastic, thank you :-)
> >
> > I'll let Paulo confirm the length, but that seems reasonable to me.
> > (Paulo, these cables would run from the NPS tank into the small bunker
> > on the SHMS magnet deck, not into the SHMS electronics hut.)
> >
> > -- Brad
> >
> > On Mon, 21 Nov 2022, Aaron Brown wrote:
> >
> > > Hi Brad,
> > > We have all of the components to fabricate these cables on hand. I will
> > get
> > > with Mindy and have her start fabrication.
> > > Does a length of 50 ft. sound good for each cable?
> > > -- Aaron
> > >
> > >
> >
> ----------------------------------------------------------------------------
> > >
> >
>
> > > From: Brad Sawatzky <brads at jlab.org>
> > > Sent: Monday, November 21, 2022 2:49 PM
> > > To: Aaron Brown <ambrown at jlab.org>
> > > Cc: Carlos Munoz Camacho <munoz at jlab.org>; Robert Michaels
> <rom at jlab.org>;
> > > Paulo Medeiros <medeiros at jlab.org>
> > > Subject: [EXTERNAL] Re: Keysight terminal block cables question
> > >
> > > Hi Aaron,
> > >
> > > I was going through older emails associated with the Keysight controller
> > > cabling and wanted to follow up on the (absolutely ancient) cabling
> > > discussion below.
> > >
> > > Do we have the Keysight extension cables mentioned below in-hand?
> > >
> > > -- Brad
> > >
> > > On Mon, 12 Jul 2021, Aaron Brown wrote:
> > >
> > > > Thanks so much!
> > > >
> > > >
> > >
> >
> ----------------------------------------------------------------------------
> > > >
> > >
> >
>
> > > > From: Brad Sawatzky <brads at jlab.org>
> > > > Sent: Monday, July 12, 2021 12:28 PM
> > > > To: Aaron Brown <ambrown at jlab.org>
> > > > Cc: Carlos Munoz Camacho <munoz at jlab.org>
> > > > Subject: [EXTERNAL] Re: Keysight terminal block cables question
> > > >
> > > > Hi Aaron,
> > > >
> > > > I think extension cables should be made (or purchased) that plug into
> > > > the existing 1m cables and run to the small bunker on the SHMS magnet
> > > > deck.
> > > >
> > > > Paulo Medeiros can give you a length for the NPS <-> "small bunker"
> run.
> > > > Unfortunately it looks like he is out this week but I'll send him an
> > > > email and CC you.
> > > >
> > > > -- Brad
> > > >
> > > > On Mon, 12 Jul 2021, Carlos Munoz Camacho wrote:
> > > >
> > > > > Hi Aaron,
> > > > > I think this is more a question to Brad, who is in charge of
> > cabling
> > > > > outside the NPS box.
> > > > > Brad, any idea?
> > > > > Notice that right now we have cables coming out of the box (grey
> > cables
> > > in
> > > > > slide 2 of [1]https://wiki.jlab.org/cuawiki/images/a/a7/Dec17.pdf)
> > about
> > > > ~1m
> > > > > long outside the box. You could build extension ones that plug to
> > those,
> > > > or
> > > > > as you say, just build long ones that replace those.
> > > > > Thanks,
> > > > > Carlos
> > > > > On Mon, Jul 12, 2021 at 5:19 PM Aaron Brown <[2]ambrown at jlab.org>
> > wrote:
> > > > >
> > > > > Hi Carlos,
> > > > > Sorry to bother you again, but I had a question about the length
> of
> > > the
> > > > > cables that connect the terminal blocks to the multiplexers.
> > > > > The longest cable length I could find from Keysight was 3 meters.
> > > > > Since the mainframe will be located ~10 meters from the detector
> > > frame,
> > > > is
> > > > > there a plan to make up for the additional length?
> > > > > We (DSG) have cable and connectors to fabricate extension cables
> (or
> > > > just
> > > > > new cables), but we don't know how long to make them.
> > > > > Would you be able to provide a length?
> > > > > Thanks,
> > > > > Aaron
> > > > >
> > > > > References
> > > > >
> > > > > Visible links
> > > > > 1. https://wiki.jlab.org/cuawiki/images/a/a7/Dec17.pdf
> > > > > 2. mailto:ambrown at jlab.org
> > > >
--
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
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