Initial operation and current status of the Fermilab DZero VMEbus-based hardware control and monitor system

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DZero is a large colliding beams detector at Fermilab. The control system for this detector includes twenty-five VMEbus-based 68020 computers interconnected using the IEEE-802.5 Token Ring local area network. In operation, the system will monitor about fifteen thousand analog channels and several thousand digital status bits, interfaced to the 68020 computers by the MIL-1553 multiplexed data bus. In addition, the VMEbus control system uses a memory-mapped multi-VMEbus interconnect to download parameters to more than one hundred VMEbus data crates in the experiment. Remote host computers can then read and set memory in the detector crates over the network by accessing ... continued below

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Pages: (7 p)

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Goodwin, R.; Florian, R.; Johnson, M.; Jones, A. & Shea, M. November 1, 1989.

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Description

DZero is a large colliding beams detector at Fermilab. The control system for this detector includes twenty-five VMEbus-based 68020 computers interconnected using the IEEE-802.5 Token Ring local area network. In operation, the system will monitor about fifteen thousand analog channels and several thousand digital status bits, interfaced to the 68020 computers by the MIL-1553 multiplexed data bus. In addition, the VMEbus control system uses a memory-mapped multi-VMEbus interconnect to download parameters to more than one hundred VMEbus data crates in the experiment. Remote host computers can then read and set memory in the detector crates over the network by accessing memory in the control crates. This is an extremely useful feature during the construction phase, because low level diagnostics and testing of all the detector electronics can be done over the Token Ring network using either IBM-PC compatible computers or the laboratory-wide VAX system. The VMEbus control system hardware is now being installed in the DZero movable counting house. Installation is expected to be complete later this year. 4 refs., 2 figs.

Physical Description

Pages: (7 p)

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NTIS, PC A02/MF A01 - OSTI; GPO Dep.

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  • International conference on accelerator and large experimental physics control systems, Vancouver (Canada), 30 Oct - 3 Nov 1989

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  • Other: DE90005241
  • Report No.: FNAL/C-89/230
  • Report No.: CONF-891094--12
  • Grant Number: AC02-76CH03000
  • Office of Scientific & Technical Information Report Number: 5033620
  • Archival Resource Key: ark:/67531/metadc1060105

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Office of Scientific & Technical Information Technical Reports

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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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  • November 1, 1989

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  • Jan. 22, 2018, 7:23 a.m.

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  • Feb. 1, 2018, 8:31 p.m.

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Goodwin, R.; Florian, R.; Johnson, M.; Jones, A. & Shea, M. Initial operation and current status of the Fermilab DZero VMEbus-based hardware control and monitor system, article, November 1, 1989; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc1060105/: accessed October 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.