ams software review acc slow control monitoring ch chung, a. goerres, th. kirn i. phys. institute b,...
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![Page 1: AMS Software Review ACC Slow Control Monitoring Ch Chung, A. Goerres, Th. Kirn I. Phys. Institute B, KSC, 31st January 2011](https://reader034.vdocument.in/reader034/viewer/2022051517/56649c7d5503460f94931c6f/html5/thumbnails/1.jpg)
AMS Software ReviewAMS Software Review ACC Slow Control Monitoring ACC Slow Control Monitoring
Ch Chung, A. Goerres, Th. Kirn
I. Phys. Institute B,
KSC, 31st January 2011
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ACC Slow Control Monitoring
ACC Electronic Scheme:
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ACC Slow Control Monitoring
ACC scintillator panel and PMT positions:
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ACC Slow Control Monitoring
History:• Starting time: Cosmic Data Taking Period at CERN after
AMS-02 Pre-Integration May 2008• Starting point: Adaption of Alexei Lebedevs Basic Code to
ACC Slow Control Monitoring Code by
Ph. v. Doetinchem, continued by A. Goerres
to be continued by Ch. Chung + Th. Kirn
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ACC Slow Control Monitoring Housekeeping Data
S0WAKE +Z
S1RAM +Z
S2WAKE -Z
S3RAM -Z
Scalar rates of 4 PMTsof S0, S1, S2 and S3 crate
PMT Voltages
Global DALLAS Temperature sensors on PMT boxes
PMT Discriminator threshold settings;Deactivated, all register values set to 200 (Max.)
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ACC Slow Control Monitoring Housekeeping Data
S0WAKE +Z
S1RAM +Z
S2WAKE -Z
S3RAM -Z
Scalar rates of 16 ACC PMTs
Black (SFEA input channel 0) Red (SFEA input channel 1)Green (SFEA input channel 2) Blue (SFEA input channel 3)
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ACC Slow Control Monitoring Housekeeping Data
S0WAKE +Z
S1RAM +Z
S2WAKE -Z
S3RAM -Z
Discriminator threshold settings; all register values set to 200 (Maximum)
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ACC Slow Control Monitoring Housekeeping Data
S0WAKE +Z
S1RAM +Z
S2WAKE -Z
S3RAM -Z
High voltage settings of 16 PMTs of S0, S1, S2 and S3-crate
Black (SFEA input channel 0) Red (SFEA input channel 1)Green (SFEA input channel 2) Blue (SFEA input channel 3)
SHV-brick S0 S1 S2 S3
Ch20 1981 V 1799 V 2069 V 2069 V
Ch21 1956 V 2040 V 2169 V 2173 V
Ch22 1994 V 1989 V 2022 V 2051 V
Ch23 1956 V 1723 V 1983 V 1931 V
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ACC Slow Control Monitoring Housekeeping Data
S0WAKE +Z
S1RAM +Z
S2WAKE -Z
S3RAM -Z
Global DALLAS Temperature sensor on each ACC PMT box
Operational: -30°C … +45°C
Non-Operational: -35°C … +50°C
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ACC Slow Control Monitoring Housekeeping Data – Trouble Shooting
S0WAKE +Z
S1RAM +Z
S2WAKE -Z
S3RAM -Z
Scaler rising; Saturation at 32k, Check: HV, threshold, Trigger config.
Due to noisy PMT → lower HV
(PMT scaler rate after flight integration → Exchange)
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ACC Slow Control Monitoring Housekeeping Data – Trouble Shooting
Scaler increase (stepwise) due to change of HV settings (or trigger config)
Scaler at zero → HV off?
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ACC Slow Control Monitoring Housekeeping Data – Troubleshooting
Temperature below operational range → HV off!