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 2006 - July - Sundareswaran - VPI Application with Radio Links |
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Kaniyur Sundareswaran B.S. {Engg.Tech.}, M.S. {Soft. Sys.}, C.Eng., MIET, MIRSEUnited Group InfrastructureUnited Group Infrastructure have commissioned an ALSTOM Vital Processor Interlocking (VPI) system using radio links for transmission of vital signalling information, between two VPIs, each installed at either end of the Kinalung crossing loop, on the Parkes to Broken Hill line. This project is part of a contract with Australian Rail Track Corporation (ARTC) for extending the crossing loops at Kinalung and Matakana, each crossing loop being extended to 1850 metres in length. This paper describes the VPI architecture employed in Kinalung and its interfaces to the radio link. It explains the basic components of a VPI system and its configuration for the Kinalung crossing loop. The paper also covers the type of radio system used for this communication, its configuration parameters and explores how a non-vital radio system could be used to communicate safely. |
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