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本文介绍的是一种指挥和调节过程控制系统中主计算机和外围计算机之间通信的带微处理器的硬件环节(IPC)。其中包括系统的构形、IPC设计问题、IPC寄存器、IPC的具体设计等内容。
This article presents a microprocessor-based hardware interface (IPC) for communication between a host computer and a peripheral computer in a command and control process control system. Including the system configuration, IPC design issues, IPC registers, IPC’s specific design and so on.