[Dsg-rich] Interlock sensors - internal lengths of last two cables

[Mindy Leffel]

Marco,

The last two interlock cables are on the riser, above my desk.

Mindy


On 11/9/2017 11:41 AM, Marco Contalbrigo wrote:
> Hi Tyler,
> the last two nitrogen interlock lines are 2 m long.
> It would be preferable to cover them with heat shrink tubes
> to get black. Thanks, Marco.
>
> On Thu, 2 Nov 2017, Marco Contalbrigo wrote:
>
>> Hi Tyler,
>> I would like to fix them tomorrow after speaking with Sandro and
>> Marco at JLab. See you, Marco.
>>
>> On Wed, 1 Nov 2017, Tyler Lemon wrote:
>>
>>> Hello Marco Contalbrigo,
>>>
>>> We still do not have the lengths for inside RICH the last two 
>>> nitrogen volume interlock
>>> sensor cable bundles.
>>>
>>> We cannot finish these last two cable bundles unless we know how 
>>> long the cables should be.
>>>
>>> Best regards,
>>> Tyler
>>>
>>>
>>> _____________________________________________________________________________________________ 
>>>
>>> From: "Tyler Lemon" <tlemon at jlab.org>
>>> To: "Marco Contalbrigo" <mcontalb at fe.infn.it>
>>> Cc: "dsg-rich" <dsg-rich at jlab.org>
>>> Sent: Wednesday, October 25, 2017 3:00:34 PM
>>> Subject: [Dsg-rich] Interlock sensors - internal lengths of last two 
>>> cables
>>>
>>> Hello Marco,
>>>
>>> The set of six interlock cables with the lengths you provided to be 
>>> used in the nitrogen body
>>> are almost complete.
>>>
>>> The six almost ready are:
>>> 2 for inlet (3.5 m)
>>> 2 on the aerogel (4 m)
>>> 1 for outlet (1 m)
>>> 1 close to the EPanel (5 m)
>>>
>>> We do not have the internal lengths for the remaining two cables 
>>> (for a total of 8 cables for
>>> the nitrogen body).
>>>
>>> Please let us know these lengths so the cables can be fabricated.
>>>
>>> Best regards,
>>> Tyler
>>>
>>> _____________________________________________________________________________________________ 
>>>
>>> From: "Marco Contalbrigo" <mcontalb at fe.infn.it>
>>> To: "Tyler Lemon" <tlemon at jlab.org>
>>> Cc: "dsg-rich" <dsg-rich at jlab.org>
>>> Sent: Friday, October 13, 2017 11:07:16 AM
>>> Subject: Interlock sensors
>>>
>>> Dear Tyler,
>>> as anticipated at the meeting, here is the list of
>>> sensors we have in mind.
>>>
>>> Each PCB station mounts 2 temperature (T) and 2
>>> humidity (H) sensors. I would suggest we cable
>>> all of them but connect only one H+T pair per
>>> station to the cRio, while keeping the second
>>> as spare. Should a sensor have a problem, we
>>> would need an access to exchange it with his
>>> spare at the cRio.
>>>
>>> One option could be to have 4 cables in the
>>> short (internal RICH) section and only 2 in the
>>> outer (Hall) section. This implies however to
>>> access the connectors at the RICH position to
>>> be able to exchange the sensors.
>>>
>>> -----------------
>>> Electronic Panel (EPanel)
>>> -----------------
>>> Short section: from EPanel to patch panels
>>> Lenght as the average of the power supply
>>> cables: 6 m.
>>>
>>> Long section: from patch panel to cRio
>>> patch panel A: 50 feet
>>> patch panel B: 65 feet
>>>
>>> Priority is cooling monitor, electronic healty
>>> and FTOF heat load control. The mimimum would
>>> be 6:
>>>
>>> 1 for inlet
>>> 1 for outlet
>>> 2 on the electronics
>>> 1 outside the cover
>>> 1 on the FTOF
>>>
>>> It is clear to have at leat 2 more (for a total
>>> of 8) would be worth, to have a better control
>>> of possible hot spots.
>>>
>>> -------------------
>>> N2 volume
>>> -------------------
>>> Short section: internal to the N2 volume, from
>>> relevant locations to the 15-pin feedthrough
>>> Lengths can be customized (see below).
>>>
>>> Long section: from feed-through to the cRio.
>>> Lenghts as for the patch panels.
>>>
>>> We do not need to pass by the patch panels.
>>> Priority is to monitor the inner volume and
>>> control the aerogel. The minimum would be 6:
>>>
>>> 2 for inlet (3.5 m)
>>> 2 on the aerogel (4 m)
>>> 1 for outlet (1 m)
>>> 1 close to the EPanel (5 m)
>>>
>>> Again, to have 2 more could be wise.
>>>
>>> All together, the number would be 6+6=12 stations
>>> (one sensor per type connected) as minimum, with
>>> 8+8=16 as optimum, given the cRIO capability.
>>>
>>> On top of all, we should not forget to calibrate
>>> the sensors before installation.
>>>
>>> As anticipated, Luca Barion from INFN-FE is
>>> supposed to stay at JLab in one week from now.
>>> He could join the effort of sensor cabling
>>> and calibration if this helps.
>>>
>>> Thanks, Marco.
>>>
>>> _______________________________________________
>>> Dsg-rich mailing list
>>> Dsg-rich at jlab.org
>>> https://mailman.jlab.org/mailman/listinfo/dsg-rich
>>>
>>>
>>
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