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在分析微型机在过程控制系统中应用状态的基础上，介绍远程Ｉ／Ｏ型网络的硬件结构与软件系统之特点，并对其应用予以简介。
Based on the analysis of application status of microcomputer in process control system, this paper introduces the hardware structure and software system characteristics of remote I / O network and introduces its application.