[Dlsupport] task list 06/28/2016

[Michele Joyce]

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
>>>>>
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> Dlsupport mailing list
>>>>> Dlsupport at jlab.org
>>>>> https://mailman.jlab.org/mailman/listinfo/dlsupport
>>>>
>>>>
>>>>
>>>> _______________________________________________
>>>> Dlsupport mailing list
>>>> Dlsupport at jlab.org
>>>> https://mailman.jlab.org/mailman/listinfo/dlsupport
>>>
>>
>
>
>
> _______________________________________________
> Dlsupport mailing list
> Dlsupport at jlab.org
> https://mailman.jlab.org/mailman/listinfo/dlsupport

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://mailman.jlab.org/pipermail/dlsupport/attachments/20160706/04c6a62b/attachment.html>