[Dsg-halla_ecal] test SM

[Jack Segal]

One other thought for driving the heaters might be an LED driver for dimmable lights. For example:
https://www.amazon.com/Constant-120-277VAC-Channels-Dimmable-Aluminum/dp/B0B8WN97CC/ref=sr_1_8?crid=3UPVJS4F25U05&keywords=0-10v%2Bdimmable%2Bled%2Bdrivers&qid=1681753510&sprefix=0-10v%2Bdimmable%2Bled%2Bdrivers%2Caps%2C64&sr=8-8&th=1

You can search Amazon for
0-10v dimmable led drivers

Maybe this would be more compatible with the cRIO.

On 4/14/2023 7:18 AM, Marc Mcmullen via Dsg-halla_ecal wrote:
> I’ll meet you at the test stand in physics storage.
> 
> Get Outlook for iOS <https://aka.ms/o0ukef>
> ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
> *From:* shahinya at jlab.org <shahinya at jlab.org>
> *Sent:* Thursday, April 13, 2023 8:55:37 PM
> *To:* Marc Mcmullen <mcmullen at jlab.org>
> *Cc:* Mark Jones <jones at jlab.org>; Bogdan Wojtsekhowski <bogdanw at jlab.org>; Donald Jones <jonesdc at jlab.org>; dsg-halla_ecal at jlab.org <dsg-halla_ecal at jlab.org>; Patrizia Rossi <rossi at jlab.org>
> *Subject:* Re: test SM
> Hi Marc,
> 
> Can we meet on Friday at 9:00 AM and discusses more detail in your plan?
> 
> Thank you,
> Albert
> 
>> Hi Albert,
>>
>> I’m planning on moving the controls to the physics storage on Monday.
>>
>> I’ve tested the software with the single supermodule. It controls the
>> temperature between the set points and controls ramping.
>>
>> Tomorrow I will confirm networking communications in the physics storage
>> building for the cRIO controller. I have already ran the cable, I still
>> need to reassign the cRIO to that subnet and test to make sure I can  log
>> in remotely.
>>
>> Once confirmed, I will need the test stand to be at room temperature to
>> install the Omega High Temperature
>> RTDs<https://assets.omega.com/pdf/test-and-measurement-equipment/temperature/sensors/rtds/RTD-2-F3102.pdf <https://assets.omega.com/pdf/test-and-measurement-equipment/temperature/sensors/rtds/RTD-2-F3102.pdf>>
>> on the supermodule front flanges and aluminum bar heater, for the
>> controls...by Monday. These RTDs are rated for 480 degrees C.
>>
>> I have attached a screen shot from the controls while I was testing at low
>> temperature with the supermodule I have in the oven.
>>
>> The software will control 4 power relays independently (Lowell RPC-20
>> picture attached) :
>>
>> 1 relay will power a group of 3 supermodules in parallel (Bank 1)
>> 1 relay will power a group of 3 supermodules in parallel (Bank 2)
>> 1 relay will power a single aluminum bar side (Al 1)
>> 1 relay will power a single aluminum bar side (Al 2)
>>
>> The software will monitor all 6 supermodules and 2 aluminum bar sides  as
>> well as the heated volume in front of the supermodules.
>>
>> I have one extra RTD to monitor either the back end of the test stand or
>> as a redundant temperature for the front heated volume area.
>>
>> The heated volume will be monitored by an independent Omega process
>> controller, I will set it to trip (and latch) all power to the heaters if
>> the temperature exceeds the Omega set point. For the single SM test stand
>> I used 400 degrees C. The Omega interlock should not be cleared until the
>> test stand has been visually verified safe...this will require someone to
>> go to the test stand to clear the latch.
>>
>> There will be a monitor and keyboard so that your group can set the
>> operating values after I train everyone, which I plan to do next week.
>>
>> All RTD temperatures will be datalogged for plotting.
>>
>> Finally, I will prepare some documentation about the system so you can add
>> the controls into your safety document.
>>
>>
>>
>>
>>
>> Regards,
>> Marc
>>
>>
>>
>>
>>
>> Get Outlook for iOS<https://aka.ms/o0ukef <https://aka.ms/o0ukef>>
>> ________________________________
>> From: shahinya at jlab.org <shahinya at jlab.org>
>> Sent: Thursday, April 13, 2023 2:00:13 PM
>> To: Marc Mcmullen <mcmullen at jlab.org>
>> Cc: Mark Jones <jones at jlab.org>; Bogdan Wojtsekhowski <bogdanw at jlab.org>;
>> Donald Jones <jonesdc at jlab.org>
>> Subject: test SM
>>
>> Hi Marc,
>>
>> Thermal tests of 6 SM were started and now the situation has stabilized.
>> If you are planning to test the control system, please let me know?
>>
>>
>> Thank you,
>> Albert
>>
>>
> 
> 
> 
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-- 
John(Jack) Segal
Halls A and C Spectrometer Support Manager
Thomas Jefferson National Accelerator Facility
12000 Jefferson Avenue
Suite 12
Newport News, VA 23606-4486
Phone: (757) 269-7242
Cell: (757) 320-9977