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自从８０年代中期出现远程智能Ｉ／Ｏ产品以来，由于其卓越的性能，良好的编程界面和构成系统时具有较高的性能／价格化，使它在各方面得到了迅速而广泛的应用，大大地推动了计算机在传统产业改造中的应用，并取得了良好的经济效益和社会效益。本文讨论了远程智能Ｉ／Ｏ装置的设计思想和应用中的几个问题，供系统设计人员和技术管理人员在设计造型时参考借鉴，以期更快更好地利用远程智能Ｉ／Ｏ构成系统，有效地解决工程问题。
Since its emergence in the mid-1980s as a remote smart I / O product, it has been rapidly and widely used in all aspects due to its superior performance, good programming interface, and high performance / price-perfor- mance when composing a system, Promote the computer in the transformation of traditional industries in the application, and achieved good economic and social benefits. This article discusses several issues in the design and application of remote intelligent I / O devices for system designers and technology managers to use as references in the design modeling in order to make use of remote intelligent I / O to make up the system faster and better. Effectively solve engineering problems.