GB/T 15629.4-1997
AbolishedInformation processing systems--Local area network--Part 4:Token-passing bus access method and physical layer specifications
信息处理系统 局域网 第4部分:令牌传递总线访问方法和物理层规范
Application Summary AI generated
This standard specifies the token-passing bus access method and physical layer specifications for local area networks, defining how devices on a bus topology share a single communication channel by passing a token to control transmission rights. It is applied in industrial automation and manufacturing environments where deterministic, real-time communication is required, such as in factory floor networks using the MAP (Manufacturing Automation Protocol) architecture. The standard ensures reliable data exchange between controllers, sensors, and actuators in time-critical process control systems.
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