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Subject: sPHENIX discussion of the superconducting solenoid

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  • From: "Yip, Kin" <kinyip AT bnl.gov>
  • To: "sphenix-magnet-l AT lists.bnl.gov" <sphenix-magnet-l AT lists.bnl.gov>
  • Subject: [[Sphenix-magnet-l] ] Fwd:
  • Date: Mon, 26 Aug 2024 15:28:59 +0000

Hello,

sPHENIX Magnet tripped at 08:15 due to "copper bus 2 water flow fault" and it turned out that the flow switch (or actually a small piece of plastic) was broken.  The C-AD Mechanical group (Rob Karl's) helped fix it in 1008B mezzanine.

I attach the pictures of the PLC history at the power supply and the quench detector page.

( When it's one of those 70 interlocks, the thing that trips the quench detector always seems to be the "Coil Difference".   I re-started the quench detector program/Labview a couple hours ago. )

Kin

Attachment: 20240826_091714.jpg
Description: 20240826_091714.jpg

Attachment: 20240826_091812.jpg
Description: 20240826_091812.jpg


  • [[Sphenix-magnet-l] ] Fwd:, Yip, Kin, 08/26/2024

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