[Halld-tagger] Tagger hall plans

Alexander Somov somov at jlab.org
Thu Aug 21 12:31:45 EDT 2014


Hi Fernando,

Do we have spare cables to connect 15 channels ?
(F1TDC, fadc, and LE DSC can be placed in the same crate)

Thanks,
       Alex



On Thu, 21 Aug 2014, Richard Jones wrote:

> In his last message, Alex Somov wrote:
>
> Richard should return the VXS crate, which we can install into the existing
> rack in the ESB.
>
> Will do. Can you provide us with enough lemo cables and a splitter to
> connect 15 outputs at a time to the crate, and read out both the fadc and
> tdc at the same time?
>
> -Richard J.
>
>
> On Thu, Aug 21, 2014 at 11:08 AM, Alexander Somov <somov at jlab.org> wrote:
>
>>
>> Hi Fernando,
>>
>> I tink that testing of TAGM should be done in the ESB. If the
>> detector components are here in the beginning of September,
>> it would take at least a week or two to assemble the TAGM. We
>> may consider to move the detector to the Hall just to check that
>> evrt fits and bring it back to the ESB.
>>
>> Richard should return the VXS crate, which we can install into
>> the existing rack in the ESB. We'll need a control Wiener crate
>> and some spare cables to read out one or two fadcs.
>>
>> Cheers,
>>        Alex
>>
>>
>>
>>
>>
>>
>>
>> On Thu, 21 Aug 2014, Richard Jones wrote:
>>
>>  Fernando,
>>>
>>> I am going to propose that we set things up in the ESB area when we
>>> arrive,
>>> and do what setup and testing we can there prior to the move-in date in
>>> the
>>> first week of October or thereabouts.  Any objections?
>>>
>>> -Richard Jones
>>>
>>>
>>> On Thu, Aug 21, 2014 at 10:03 AM, Fernando J Barbosa <barbosa at jlab.org>
>>> wrote:
>>>
>>>  Hi Richard, Alex,
>>>>
>>>> We will start removing the electronics from the tagger hall on 22 Sept
>>>> 2014 in preparation for beam on 29 Sept 2014. All the cables will be
>>>> disconnected from the modules but remain in place with the mini-racks; we
>>>> then remove the crates/chassis with the modules and move them to a safe
>>>> place, probably the ESB.
>>>>
>>>> You have indicated that you will be bringing the TAGM to JLab during the
>>>> week of 9/1. In view of this, you only have two weeks (weeks of 9/8 and
>>>> 9/15) to install, connect and test the TAGM. Is this enough time to do
>>>> any
>>>> significant work (setup software, controls, readout, etc)? Or should we
>>>> plan to work in the ESB, which allows limited testing (limited number of
>>>> cables, no 208V for the crates so power is an issue anywhere outside of
>>>> the
>>>> tagger hall)?
>>>>
>>>> Please work out a viable plan and let me know ASAP. If we are not going
>>>> to
>>>> do anything in the tagger hall, we could go ahead and start removing the
>>>> electronics earlier so we are not rushing later.
>>>>
>>>> Best regards,
>>>> Fernando
>>>>
>>>>
>>>
>


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