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讨论工业控制系统设备连接转换网桥的基本概念和工业控制系统对网桥的基本要求。在此基础上,提出转换网桥和网络转换的概念,并给出工业控制系统和现场总线技术对网桥和网络转换的基本要求。通过讨论,提出用MC68HC05C8设计的三种总线系统连接类型,并针对这三种连接类型,提出网桥模块和网络转换的基本结构。
Discussion of industrial control system equipment connected to the basic concept of conversion bridge and industrial control system of the basic requirements of the bridge. On this basis, the concept of conversion bridge and network conversion is proposed, and the basic requirements of industrial control system and field bus technology for bridge and network conversion are given. Through the discussion, the author proposes three bus system connection types designed by MC68HC05C8, and proposes the basic structure of bridge module and network conversion for these three connection types.