6.2. 1 TCC shall collect the state of track relay and receive the state of track circuit through thecommunication bus at the same time. When the above two states are cleared,they shall be treated ascleared; otherwise,they shall be treated as occupied. Whe...[继续阅读]

    6.7.1 TCC shall have the lighting control function of the section block signal.See Appendix C forthe lighting control principle.6.7.2 The adjacent TCC shall transmit occupancy and low-frequency code information of the adjacentblock section at boundary and...[继续阅读]

    7.2.1 TCC system shall be designed according to the requirements of safety integrity SIL4.7.2.2 Safety circuit involved in the TCC system shall comply with the fail-safe principle.7.2.3 The Mean Time Between Failures (MTBF) of TCC system shall not be less...[继续阅读]

    6.5.1 Codes Sending Direction Control of ZPW-2000 Track Circuit at Station6.5. 1.1 An independent directional switching relay (hereinafter referred to as FQJ) shall be set in eachtrack circuit at the station to realize the switching of codes sending direc...[继续阅读]

    6.9.1 TCC shall frame the balise user data in real time according to route information and temporaryspeed restriction information and the balise telegram definition principle to generate balise usertelegram.6.9.2 TCC shall encode the balise user telegram ...[继续阅读]

    The interface between TCC and the acquired track circuit relay is shown in Figure F. 5....[继续阅读]

    6.3.1 TCC shall control the track circuit encoding as required in TB/T 3060.6.3.2 When the signal for the train route is not at clear,TCC shall send code HU or detection codeto the station track,and shall send detection code to the switch section.6.3.3 Fo...[继续阅读]

    Fiber optic communication channel and redundant switching control channel are configured between TCC and remote LEU. TCC communicates withLEU through optic fiber to realize transmission of balise telegram and reception of LEU state and balise state data. ...[继续阅读]

    6.1.1 The TCC startup consists of three processes:system self-check,communication establishmentwith external equipment,and TCC initialization.6.1.2 After TCC is powered on and reset,the self-check shall be performed first to check whethereach module unit ...[继续阅读]