sPHENIX HCal discussion

["Boose, Stephen" <boose AT bnl.gov>]

Hi Stefan,

 

No worries, we cleared it with the shift crew on Monday and took care of it J

All “Back end” controls are now in place, which means that ADC and low voltage distribution crates can be remotely power cycled if necessary by experts.

 

Special thanks to Damon for plugging in some hard-to-reach connectors!

 

Steve Boose

Principal Electrical Engineer

sPHENIX Experiment

Brookhaven National Laboratory

BLDG 510C

Upton, NY 11973

Phone: (631) 344-2897

 

From: Stefan Bathe <stefan.bathe AT gmail.com> On Behalf Of Stefan Bathe
Sent: Tuesday, March 12, 2024 3:23 PM
To: Boose, Stephen <boose AT bnl.gov>
Cc: Bathe, Stefan <bathe AT bnl.gov>; sphenix-hcal-l AT lists.bnl.gov; Miraglia, Damon <dmiraglia AT bnl.gov>; Haggerty, John <haggerty AT bnl.gov>; Mannel, Eric <mannel AT bnl.gov>; Rosi Reed <rosijreed AT lehigh.edu>
Subject: Re: ADC Crate Remote Power Control

 

Hi Steve,

 

Thanks!

Essentially anytime that is convenient for you.  Just check in with the shift crew to make sure that there is nothing special going on.  If it’s just the default cosmics data taking, they can interrupt that for an hour, no problem.  (I confirmed that with Jamie.)

Would you like to schedule this for a particular time?  Then we could just request that at the shift change meeting the day before.

 

Best regards,

Stefan

- 

---------------------------------------------------------------------------------
Stefan Bathe

Professor of Physics
Baruch College, CUNY
and RIKEN Visiting Scientist

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office 940                                  office 2-229
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On Mar 11, 2024, at 11:31, Boose, Stephen <boose AT bnl.gov> wrote:

 

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Hi Stefan,

 

We have this remote ADC crate power control GUI in place which can be used by experts in such rare cases that a crate may need to be power cycled from outside the IR without killing the whole rack. This morning I finished testing the EmCAL and sEPD portion – tested OK.

 

To finish the HCal portion we would need an opportunity at the HCal group’s convenience to have Damon shut down 2E2 and connect the MegaPAC control cable there. This could take an hour or so because it requires moving some cables. Then I’d be able to test both 2E2 and 2W2.  

 

So please let us know of a convenient time for this interruption – no rush J

 

Many thanks,

Steve Boose

Principal Electrical Engineer

sPHENIX Experiment

Brookhaven National Laboratory

BLDG 510C

Upton, NY 11973

Office: 631 344-2897

 

 

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