[Dsg-halla_ecal] ECal heater prototype

[Donald Jones]

Yes...only the aluminum bars.

Donald Jones
Hall A/C Staff Scientist
Jefferson Lab
Newport News, VA
________________________________
From: shahinya at jlab.org <shahinya at jlab.org>
Sent: Tuesday, April 25, 2023 2:06 PM
To: Donald Jones <jonesdc at jlab.org>
Cc: shahinya at jlab.org <shahinya at jlab.org>; Marc Mcmullen <mcmullen at jlab.org>; dsg-halla_ecal at jlab.org <dsg-halla_ecal at jlab.org>; Jack Segal <segal at jlab.org>
Subject: Re: ECal heater prototype

Where you plan to use this cartridge?
To heating side?

Albert

> Is that possible to order long leads like that? My plan is to connect the
> longer wires via terminal block like this
> https://www.grainger.com/product/TEMPCO-TEMPCO-Ceramic-Terminal-Block-2LRU1?gucid=N%3AN%3APS%3APaid%3AGGL%3ACSM-2295%3A4P7A1P%3A20501231&gclid=CjwKCAjw9J2iBhBPEiwAErwpeSJJ1a72b0N9GsRysLKk3Ft4PQdkw5__V5cNCztLcIgSVrxe46dsaBoCjQUQAvD_BwE&gclsrc=aw.ds
> If you have a better idea or can point me to a sufficiently high power
> heater with long leads please do. Perhaps we can custom order them?
> It's worth thinking more about the final design. I don't think we want to
> take every heater wire all the way out of the enclosure. We likely want to
> run a single larger gauge wire for each zone of ~5 supermodules that gets
> split into parallel connections to each heater.
> -Don
>
> Donald Jones
> Hall A/C Staff Scientist
> Jefferson Lab
> Newport News, VA
> ________________________________
> From: shahinya at jlab.org <shahinya at jlab.org>
> Sent: Tuesday, April 25, 2023 11:41 AM
> To: Donald Jones <jonesdc at jlab.org>
> Cc: Marc Mcmullen <mcmullen at jlab.org>; dsg-halla_ecal at jlab.org
> <dsg-halla_ecal at jlab.org>; shahinya at jlab.org <shahinya at jlab.org>; Jack
> Segal <segal at jlab.org>
> Subject: Re: ECal heater prototype
>
> Lead wire 10" to short we need  minimum 2.5-3meter.
>
> Albert
>> What do you think about these 2" 400W cartridge heaters? If we agree
>> they
>> will work I will order a few.
>> https://www.grainger.com/product/TEMPCO-TEMPCO-Swaged-Cartridge-Heater-4NJE8?gucid=N%3AN%3APS%3APaid%3AGGL%3ACSM-2295%3A4P7A1P%3A20501231&gclid=CjwKCAjw9J2iBhBPEiwAErwpeWWdxqefUoInxiMar6kX9q4p0h6Pn1piO0ZSHKPpgsyDArQVjoRFnxoCigMQAvD_BwE&gclsrc=aw.ds
>> -Don
>>
>> Donald Jones
>> Hall A/C Staff Scientist
>> Jefferson Lab
>> Newport News, VA
>> ________________________________
>> From: Dsg-halla_ecal <dsg-halla_ecal-bounces at jlab.org> on behalf of
>> Donald
>> Jones via Dsg-halla_ecal <dsg-halla_ecal at jlab.org>
>> Sent: Tuesday, April 25, 2023 10:56 AM
>> To: Marc Mcmullen <mcmullen at jlab.org>; dsg-halla_ecal at jlab.org
>> <dsg-halla_ecal at jlab.org>; shahinya at jlab.org <shahinya at jlab.org>; Jack
>> Segal <segal at jlab.org>
>> Subject: Re: [Dsg-halla_ecal] ECal heater prototype
>>
>> GEnRP starts end of January. However, I would prefer to get this into
>> Hall
>> C asap.
>> -Don
>>
>> Donald Jones
>> Hall A/C Staff Scientist
>> Jefferson Lab
>> Newport News, VA
>> ________________________________
>> From: Marc Mcmullen <mcmullen at jlab.org>
>> Sent: Tuesday, April 25, 2023 10:54 AM
>> To: Donald Jones <jonesdc at jlab.org>; dsg-halla_ecal at jlab.org
>> <dsg-halla_ecal at jlab.org>; shahinya at jlab.org <shahinya at jlab.org>; Jack
>> Segal <segal at jlab.org>
>> Subject: Re: ECal heater prototype
>>
>> Hi Don,
>>
>> Thanks for the update from the ERR.  DSG will review this information
>> and
>> pass along any feedback concerning the heater controls.
>>
>> Just for a time reference. What is the planned start date for GEnRP?
>>
>> Additionally, we can start testing the controls after the channels have
>> been segmented as previously described. Please let me know when this has
>> been completed.
>>
>> I will plan a zoom meeting for later this week to go over the controls
>> software.
>>
>> Marc
>> ________________________________
>> From: Dsg-halla_ecal <dsg-halla_ecal-bounces at jlab.org> on behalf of
>> Donald
>> Jones via Dsg-halla_ecal <dsg-halla_ecal at jlab.org>
>> Sent: Tuesday, April 25, 2023 10:31 AM
>> To: dsg-halla_ecal at jlab.org <dsg-halla_ecal at jlab.org>; shahinya at jlab.org
>> <shahinya at jlab.org>; Jack Segal <segal at jlab.org>
>> Subject: [Dsg-halla_ecal] ECal heater prototype
>>
>> Hi Marc and Albert,
>> The ERR panel yesterday determined that we have to demonstrate the use
>> of
>> a prototype detector with our mature heater system in real beam
>> conditions. Bogdan's suggestion is that we use our 6 supermodule
>> prototype
>> which we can place in the beam either in Hall C or in Hall A during
>> GEnRP.
>> To fulfill their requirements we will have to have a full temperature
>> control system as well as signal readout for at least one supermodule.
>> What does this mean? Once the initial demonstration of Marc's control
>> system concludes (this week?) we need to
>>
>>   *   Instrument the prototype for full readout of all temperatures
>>   *   Implement temperature controls of the heaters along with shutoffs
>> on
>> high temperature (Marc may already have this completed?)
>>   *   Install new 300W strip heaters capable of reaching our required
>> power at 50VDC
>>   *   Purchase cartridge heaters for the side aluminum bars (at least
>> 50%
>> of them) and drill the bars to hold them. This is an essential part of
>> the finished ECal heater system, so we need to demonstrate that it
>> works.
>>   *   Purchase adjustable voltage power supplies to drive and control
>> the
>> power output. I have purchased a single 480W 10A LED driver that should
>> be able to supply up to 5 supermodules with adjustable voltage.
>> (https://www.digikey.com/en/products/detail/mean-well-usa-inc/HLG-480H-48B/7704122?s=N4IgTCBcDaIIwA4BsSC0YCsGyoHIBEQBdAXyA)
>> Marc, when this arrives I will give it to you to see if it is going to
>> work. It requires an adjustable 0-10V input to adjust the output between
>> 0 and 48 VDC.
>>   *   Install the whole setup and test in Physics storage.
>>   *   Install in the Hall. This will require putting it on a table up
>> near
>> beam height. I think we should improve the prototype design by
>> installing a full frame/box around it to make it safe to move as a unit.
>>
>> Just wanted to get you thinking about this.
>> -Don
>>
>>   *
>>
>> Donald Jones
>> Hall A/C Staff Scientist
>> Jefferson Lab
>> Newport News, VA
>>
>>
>>
>
>
>


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