[Dlsupport] task list 06/28/2016

[Michele Joyce]

OK.
So, should I add a "pole tip" property that will be filled out by Sarin?
Michele

On 7/6/2016 11:08 AM, Kenneth Baggett wrote:
> Yes.  This would be included in the DC power checklist that would go 
> into the LED.  Sarin Phillip would ultimately integrate and approve 
> this procedure.
>
> Ken
>
>
>
> ------------------------------------------------------------------------
> *From: *"Michele Erb" <erb at jlab.org>
> *To: *dlsupport at jlab.org
> *Sent: *Wednesday, July 6, 2016 10:59:06 AM
> *Subject: *Re: [Dlsupport] task list 06/28/2016
>
> Should this info be kept and maintained in the LED?
> Michele
>
> On 7/5/2016 12:26 PM, David Douglas wrote:
>
>     Thanks Jim.
>
>     Part of the need for the polarity check is to establish the
>     "parity" of the skews (which differs between EPICS and codes). I
>     don't want to introduce bias, but if we could measure the poletip
>     field (with sign) of each quad and log it, we'll save time
>     overall. I'll sketch up a procedure.
>
>     Thanks
>
>     D
>
>
>     On 7/5/2016 11:00 AM, Jim Coleman wrote:
>
>         Hi Dave,
>          We haven't powered any of the 4F quads yet.  That will not
>         happen until the spool pieces are installed due to splitting
>         of the magnet. We have to perform a voltage/ current/ polarity
>         measurement of any magnet as part of the HCO.  I'll make sure
>         LCW gets put on the skews.
>         -Jim
>
>          On 7/5/2016 10:08 AM, David Douglas wrote:
>
>             re: #2) - please put the results of the test into the
>             LERFLog. Thanks
>
>             D
>
>
>             On 7/5/2016 10:07 AM, David Douglas wrote:
>
>                 Hi Jim - don't know if the following was communicated
>                 to you or not, but
>
>                 1) Steve asked if the 10 additional skew quads needed
>                 water cooling. Answer: if the other quads are run with
>                 water cooling, these will need it as well. They run at
>                 the same fields as the normal quads.
>
>                 2) Has each quad been polarity checked (i.e. a Hall
>                 probe put on each pole of each quad)? We need to be
>                 sure there are consistent sign conventions through 4F,
>                 and I'll need to know what pole of each quad is at
>                 what sign and field level when the usual +5A test
>                 current is being run.
>
>                 Thanks,
>                 DD
>
>
>                 On 6/30/2016 4:32 PM, Jim Coleman wrote:
>
>                     apologies for sending it out late
>
>
>
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