Integration of the HV System to the TRD The University of Athens Group

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Integration of the HV System to the TRD The
University of Athens Group

• TRD Meeting
  Heidelberg August 2006

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HVDS August 2006

• 8 Anode 8 Drift assembled cards
• 10 auxiliary power supply cards with 3
  transformers/card
• 3 backplanes (one spare)
• 2 crates
• Test on the detector (22/8)
• 1 Anode (1600V) 1 Drift (2000V) connected to
  5 detector units at HD

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Test on the detector at HD Anode 3
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Test on the detector at HD Drift 3
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Test on the detector at HD Anode 3
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Test on the detector at HD Drift 3
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Next Steps

• Test 5 Anode and 5 Drift cards on the detector
• Optimize the regulation software.
• Integration of the PVSS project to FSM
• (include ISEG input control panel)
• Archiving and data retrieving with PVSS
• Installation and testing at CERN

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• BACKUP

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Error Messages

• Voltage Errors
• Over Voltage
• message max allowed voltage is exceeded
• action voltage is set to the max allowed value
• Under Voltage
• message min allowed voltage is out of range
• action voltage is set to the max allowed value
• Limits Error
• message set value is out of limits
• action limit is set to the default value
• Current Errors (Hardware Error)
• Over Current
• alarm max allowed current is exceeded or a
  short-circuit occurred
• Ramping Errors
• Ramping Rate
• message max allowed rate is exceeded
• action rate is set to the max allowed value

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Error Messages (Hardware Errors)
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Control Parameters
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Concept of connecting the High Voltage
Distribution System to DCS-Bord

• Layout of a Rack

• Layout of a Crate

• Layout of a Module

? TRD Stack
? TRD Supermodule