D0 Silicon Upgrade: D0 Cryo to D0 Physics DAQ Communications Link

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Description

This engineering note documents a communication link between the D0 cryo/gas control system and the D0 physics data acquisition computer system. This note is being written well after the work has been completed, in order to document this communications link, and to satisfy needs of planned upgrades. These upgrades are the D0 Super Conducting Solenoid, VLPC system, and Silicon Detector System. The D0 cryo/gas control system is a Programmable Logic Controller based process control system. It is responsible for controlling many of the physical parameters of the D0 experiment, such as Calorimeter cooling, vacuum, Instrument air, TRD gas pressures and ... continued below

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12 pages

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Markley, Dan March 7, 1995.

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Description

This engineering note documents a communication link between the D0 cryo/gas control system and the D0 physics data acquisition computer system. This note is being written well after the work has been completed, in order to document this communications link, and to satisfy needs of planned upgrades. These upgrades are the D0 Super Conducting Solenoid, VLPC system, and Silicon Detector System. The D0 cryo/gas control system is a Programmable Logic Controller based process control system. It is responsible for controlling many of the physical parameters of the D0 experiment, such as Calorimeter cooling, vacuum, Instrument air, TRD gas pressures and flows, W AMUS pressures and flows, SAMUS pressure and flows, etc. It works independent of the Physics DAQ system. There is a need for the Physics DAQ system to record some of these process values with the D0 physics data. This process data will later be used to calibrate certain features of the Physics data during reconstruction. The process data is also used to interlock (via the Physics DAQ system) some of the other D0 systems such as the TRD high voltage system. Some of the Process data values will be continuously monitored and will stop the Physics data taking of the experiment if it is out of tolerance.

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12 pages

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  • Report No.: FERMILAB-D0-EN-420
  • Grant Number: AC02-07CH11359
  • DOI: 10.2172/1033311 | External Link
  • Office of Scientific & Technical Information Report Number: 1033311
  • Archival Resource Key: ark:/67531/metadc836374

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • March 7, 1995

Added to The UNT Digital Library

  • May 19, 2016, 3:16 p.m.

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  • Aug. 30, 2016, 4:09 p.m.

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Markley, Dan. D0 Silicon Upgrade: D0 Cryo to D0 Physics DAQ Communications Link, report, March 7, 1995; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc836374/: accessed October 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.