[Dsg-hallb_magnets] [New Comment] Solenoid fast dump at 2416 A

sandoval at jlab.org sandoval at jlab.org
Fri Nov 2 06:20:01 EDT 2018


Comments:
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 - by sandoval on Fri, 11/02/2018 - 06:15.

MPS Status First Bits: - MPS Status First Bits:

Polarity Normal
%
Sum Interlock
Preregulator Fail
WaterFlow
SPARE
(as written in system 8500 manual, not necessarily same)

Later:
DC Overload
MPS Over Temperature



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Logentry Text:
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Solenoid fast dump at 2416  A.  
PLC SOE timestamps indicates that first trip was due to the MPS Dump_Contact at 03:56:51.016871. Followed by MPS Main-contact and QD1.
New Solenoid SOE EPICS GUI screen matches with the PLC controlle SOE see attched screenshots. 
Based in this new data (timestamps for Main_contact and MPS Dump_Contact recently added), this is the first time that we can prove that Main Contact in the Solenoid MPS tripped before the QDs. 
Further investigations in progress.


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