[Dsg-hallb_magnets] tm3 powerup

[Amrit Yegneswaran]

good work brian and pablo
and of course to probir , whose directing is  self evident or canonical as one says
i’m throwing caution to the wind and praising my better, which in my culture is a no no
”do not praise thy betters for you have no clue of the talent they have and you will only sound like an empty vessel” something to that effect translated from sanskrit



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________________________________
From: Brian Eng <beng at jlab.org>
Sent: Friday, September 26, 2025 12:25
To: Amrit Yegneswaran <yeg at jlab.org>; Pablo Campero Rojas <campero at jlab.org>; dsg smart <dsg-internal at jlab.org>
Subject: Re: tm3 powerup

Made it to 1000A before we ran out of time .

Need to tune the hardware voltage comparators more as they were what kept tripping which limited the current.

I’ll make a more detailed log entry after lunch.

________________________________
From: Dsg-internal <dsg-internal-bounces at jlab.org> on behalf of Amrit Yegneswaran via Dsg-internal <dsg-internal at jlab.org>
Sent: Friday, September 26, 2025 8:30:27 AM
To: Pablo Campero Rojas <campero at jlab.org>; dsg smart <dsg-internal at jlab.org>
Subject: Re: [Dsg-internal] tm3 powerup

thanks
good luck

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________________________________
From: Pablo Campero Rojas <campero at jlab.org>
Sent: Thursday, September 25, 2025 10:53:45 PM
To: Amrit Yegneswaran <yeg at jlab.org>; dsg smart <dsg-internal at jlab.org>
Subject: Re: tm3 powerup


Hello Amrit,

The limit for the flow sensor inside the MPS was changed from 30 lpm to 20 lpm, that solved the tripping issues, however the LCW supply flow monitored out of the MPS is higher.
After solving the flow issue, we were able to ramp up the MPS only up to 17 A, since the voltage comparator tripped, we attempted to adjust the gain  for all channels of the voltage comparator but we did not know exactly how much since we only turn the potentiometers of the voltage comparators  few turns with no actual reference for the voltage gain.
Brian will refer the manual and will adjust the pot for the voltage comparator that are sitting on his office ( same as the ones installed for TM3) and determine the proper gain adjustments procedure required for them. We will continue tomorrow at 8:00 am.
Also, from this test we know that the hardware interlocks work as expected.

Regards,
Pablo
________________________________
From: Dsg-internal <dsg-internal-bounces at jlab.org> on behalf of Amrit Yegneswaran via Dsg-internal <dsg-internal at jlab.org>
Sent: Thursday, September 25, 2025 10:29:28 PM
To: dsg smart <dsg-internal at jlab.org>
Subject: [Dsg-internal] tm3 powerup

whats the score

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