[Dsg-halla_ecal] test SM

[Marc Mcmullen]

I’ll meet you at the test stand in physics storage.

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________________________________
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>
> 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>
> ________________________________
> 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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