Author: Kopylov, L.
Paper Title Page
MOPGF102 The New Control Software for the CERN NA62 Beam Vacuum 314
 
  • S. Blanchard, F. Antoniotti, R. Ferreira, P. Gomes, A. Gutierrez, B. Jenninger, F. Mateo, H.F. Pereira
    CERN, Geneva, Switzerland
  • L. Kopylov, S. Merker
    IHEP, Moscow Region, Russia
 
  NA62 is a fixed target experiment to measure very rare decays of Kaons at CERN Super Proton Synchrotron accelerator. The NA62 experiment line comprises several large detectors installed inside a vacuum vessel with a length of 250 m and an internal diameter of up to 2.8 m. The vacuum installation consists of 170 remote controlled pumps, valves and gauges. The operational specifications of NA62 require a complex vacuum control system: tight interaction between vacuum controllers and detector controllers, including pumping or venting vetoes, and detector start-stop interlocks; most of the valves are interlocked, including the large vacuum sector gate valves; the vacuum devices are driven by 20 logic processes. The vacuum control system is based on commercial Programmable Logical Controllers (Siemens PLC: S7-300 series) and a Supervisory Control And Data Acquisition application (Siemens SCADA: WINCC OA). The control software is built upon the standard framework used in CERN accelerators vacuum, with some specific developments. We describe the controls architecture, and report on the particular requirements and the solutions implemented.  
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MOPGF104 Consolidations on the Vacuum Controls of the CERN Accelerators, During the First Long Shutdown of the LHC 322
 
  • P. Gomes, F. Antoniotti, F. Aragon, F. Bellorini, S. Blanchard, J-P. Boivin, N. Chatzigeorgiou, F. Daligault, R. Ferreira, J. Fraga, J. Gama, A. Gutierrez, P. Krakówski, H.F. Pereira, G. Pigny, P.P. Prieto, B. Rio, H. Vestergard
    CERN, Geneva, Switzerland
  • L. Kopylov, S. Merker, M.S. Mikheev
    IHEP, Moscow Region, Russia
 
  For two years (Spring 2013 - Spring 2015), the LHC went through its first long shutdown (LS1). It was mainly motivated by the consolidation of magnet interconnects, to allow operation with 6.5 TeV proton beams. Moreover, around the accelerator complex, many other systems were repaired, consolidated or upgraded, and several new installations came to life. The standardization of vacuum controls has progressed in the injectors, with the renovation of most of their obsolete equipment. In the LHC, many new instruments were added, the signal transmission integrity was improved, and the exposure to radiation was reduced in critical places. Several developments were needed for new equipment types or new operational requirements.  
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