Author: Smith, R.M.
Paper Title Page
THPOY023 Upgrade of NSLS-II Active Interlock System 4140
 
  • S. Seletskiy, J. Choi, K. Ha, R.M. Smith
    BNL, Upton, Long Island, New York, USA
 
  The NSLS-II Storage Ring is protected from possible damage from synchrotron radiation by a dedicated active interlock system (AIS). The AIS monitors electron beam position and angle and triggers beam drop if beam orbit exceeds the boundaries of pre-calculated active interlock envelope. The one year worth of the AIS operation showed that there is a number of erroneous machine trips associated with the AIS. In this paper we describe an upgrade of the AIS that allowed us to get rid of the Storage Ring faults and improved the overall NSLS-II reliability.  
DOI • reference for this paper ※ DOI:10.18429/JACoW-IPAC2016-THPOY023  
Export • reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)  
 
THPOY048 NSLS-II Active Interlock System and Post-Mortem Architecture 4214
 
  • K. Ha, E.B. Blum, W.X. Cheng, J. Choi, Y. Hu, D. Padrazo, S. Seletskiy, O. Singh, R.M. Smith, J. Tagger, Y. Tian, G. Wang, T. Yang
    BNL, Upton, Long Island, New York, USA
 
  The NSLS-II at Brookhaven National Laboratory (BNL) started the user beam service in early 2015, and is currently operating 13 of the insertion device (ID) and beamlines as well as constructing new beamlines. The fast machine protection consists of an active interlock system (AIS), beam position monitor (BPM), cell controller (CCs) and front-end (FE) systems. The AIS measures the electron beam envelop and the dumps the beam by turning off RF system, and then the diagnostic system provides the post-mortem data for an analysis of which system caused the beam dump and the machine status analysis. NSLS-II post-mortem system involves AIS, CCs, BPMs, radio frequency system (RFs), power supply systems (PSs) as well as the timing system. This paper describes the AIS architecture and PM performance for NSLS-II safe operations.  
DOI • reference for this paper ※ DOI:10.18429/JACoW-IPAC2016-THPOY048  
Export • reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)