The embodiment of the invention provides a safety type input and output control panel which comprises a first CPU, a second CPU, a power supply module, a safety AND gate circuit, an input channel and an output channel, the first CPU and the second CPU are respectively connected with a computer interlocking host, the safety AND gate circuit, the input end of the safety AND gate circuit is respectively connected with the first CPU and the second CPU, and the output end of the safety AND gate circuit is connected with the safety power supply module. The power supply module is connected with the safety AND gate circuit and the output channel, the output channel is connected with the power supply module, the first CPU and the second CPU, and the input channel is connected with the first CPU and the second CPU. According to the embodiment of the invention, a complete 2-out-of-two hardware circuit is adopted, double CPUs independently supply power, operation control is independently carried out on an output channel and an input channel, the reliability of a redundant structure is improved, and the engineering wiring limitation is reduced.

    本说明书实施例提供了一种安全型输入输出控制板,包括:第一CPU和第二CPU,分别与计算机联锁主机、安全与门电路、输入通道和输出通道连接,安全与门电路,输入端分别与第一CPU和第二CPU链接,输出端与安全电源模块链接,电源模块,与安全与门电路和输出通道连接,输出通道,与所述电源模块、第一CPU和第二CPU连接,输入通道,与所述第一CPU和第二CPU连接。本说明书实施例采用完全2取2硬件电路、双CPU独立供电、独立对输出通道、输入通道进行运算控制,提高冗余结构的可靠性,减少工程配线限制。


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    Title :

    Safety type input and output control panel


    Additional title:

    安全型输入输出控制板


    Contributors:
    GAO LEI (author) / SHANG CHUNHUI (author) / MIAO CHENGWEI (author)

    Publication date :

    2025-03-28


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC / G05B Steuer- oder Regelsysteme allgemein , CONTROL OR REGULATING SYSTEMS IN GENERAL



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