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On Automatic Reconnects in the Control Systems of Large Experimental Facilities

  • PHYSICS AND TECHNIQUE OF ACCELERATORS
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Abstract

All modern control systems (CS’s) of large experimental facilities are distributed. Nodes are connected via Ethernet or via specific links such as CAN, RS232/485, GPIB, etc. During normal operation, all nodes are online and connections between them are established and work. However, during operation some nodes can become unavailable for various reasons: electronic failure, power-supply failure, communication line break, human error, etc. Therefore, the task of restoring connections between nodes arises (after the problems are solved). In this paper, the implementation of automatic reconnects in various situations is discussed based on the experience of the VEPP-5 Injection Complex CS at the Budker Institute of Nuclear Physics, Siberian Branch, Russian Academy of Sciences.

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Notes

  1. At the initial stages of creating the CX, there was no automatic recovery, so the operator’s help was required at each disruption. Since the VEPP-5 was under construction then (and not all systems had been created yet), this did not render much influence on the operation; however, it demanded excessive labor input. Later on, this approach became unacceptable and the connection automatic recovery at all possible points was added to the CX.

REFERENCES

  1. D. Bolkhovityanov, et al., “CXv4, a modular control system,” in Proceedings of the ICALEPCS-2015, Melbourne, Australia, p. WEPGF093. https://doi.org/10.18429/JACoW-ICALEPCS2015-WEPGF093

  2. Yu. I. Maltseva et al., “VEPP-5 injection complex performance improvement for two collider operation,” in Proceedings of the Russian Particle Accelerator Conference RuPAC-18, Protvino, Russia. https://doi.org/10.18429/JACoW-RUPAC-2018-TUZMH02

  3. EPICS—Experimental Physics and Industrial Control System. https://epics.anl.gov/.

  4. TANGO Controls. www.tango-controls.org/.

  5. V. R. Kozak, “Features of using the CANbus interface in INP,” (2005). http://www.inp.nsk.su/~kozak/appnotes/anc10.pdf.

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Authors and Affiliations

  1. Budker Institute of Nuclear Physics, Siberian Branch, Russian Academy of Sciences, 630090, Novosibirsk, Russia

    D. Bolkhovityanov

  2. Novosibirsk State University, 630090, Novosibirsk, Russia

    P. Cheblakov

Authors
  1. D. Bolkhovityanov
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  2. P. Cheblakov
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Correspondence to D. Bolkhovityanov.

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Translated by N. Semenova

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Bolkhovityanov, D., Cheblakov, P. On Automatic Reconnects in the Control Systems of Large Experimental Facilities. Phys. Part. Nuclei Lett. 17, 567–570 (2020). https://doi.org/10.1134/S1547477120040111

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  • DOI: https://doi.org/10.1134/S1547477120040111

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