C.2.1 A Class A balise is a balise fulfilling the requirements of this specification when applying Class A debris conditions,and a Class B balise is a balise fulfilling the requirements of this specification when applying Class B debris conditions.C.2.2 T...[继续阅读]

    6.2.1 Communication Mode of Interface ‘B’Interface ‘B’ adopts serial master-slave communication mode,with the kernel as the master andBTM as the slave.RS422,CAN bus,MVB,Profibus or other serial data bus mode can be adopted.The specific mode shall be deter...[继续阅读]

    Using the rail as a reference,the respective axes of the balise and antenna unit are defined asfollows:a) X-axis: the coordinate axis parallel to the rail;b) Y-axis: the coordinate axis at right angles to the rail and horizontal to the rail surface;c) Z-a...[继续阅读]

    The top-level hazards are defined in Table F.2,together with their possible sources of the hazards and the related functionality.Balise in the origin of failure includes the related installation rules for cables etc.Table F.2 List of Top-level HazardsNo.H...[继续阅读]

    8.3.1 LEU is generally installed in the signaling equipment room,and can be placed in the dedicatedLEU cabinet,or in the appropriate position in the train control center or other equipment cabinet.8.3.2 According to the system design requirements,LEU shal...[继续阅读]

    LEU and BTM shall be functionally testable and shall be capable of providing a fault log or errorreport during normal operation,self-test or diagnostic operation....[继续阅读]

    When starting up,the balise sends a signal of impedance change to LEU through interface ‘C’,which shall comply with the provisions of Appendix D....[继续阅读]

    9.1.1 Function of Tele-powering Generating9.1.1.1 BTM shall provide tele-powering.Antenna unit shall transmit tele-powering to balise throughinterface ‘A’ to activate the balise.9.1.1.2 The characteristic of tele-powering shall meet the requirements of 6....[继续阅读]

    10.4.1 The balise shall meet the class 3 of applicable requirements specified in TB/T 2846-2015.10.4.2 LEU shall meet the class 1 of applicatble requirements specified in TB/T 2846-2015.10.4.3 BTM and antenna unit shall meet the applicable shocks and vibr...[继续阅读]

    11.3.1 The balise transmission system shall comply with the fail-safe principle and meet the requirementsstipulated in GB/T 21562-2008.The safety integrity level for overall system shall meet the requirementsof SIL4.11.3.2 Hazard analysis can be processed...[继续阅读]