PLC的应用、发展与使用

本文主要介绍了PLC的特点及应用领域，回顾了PLC的国内外发展状况，并就PLC的未来做出展望。
作为通用工业控制计算机，30年来，可编程控制器从无到有，实现了工业控制领域接线逻辑到存储逻辑的飞跃；其功能从弱到强，实现了逻辑控制到数字控制的进步；其应用领域从小到大，实现了单体设备简单控制到胜任运动控制、过程制、及集散控制等各种任务的跨越。今天的可编程控制器正在成为工业控制领域的主流控制设备，在世界各地发挥着来越大的作用。(毕业设计)

PLC application, development and use
This article mainly introduced the PLC characteristic and the application domain, reviewed the PLC domestic and foreign development condition, and will make the forecast on the PLC future.
As the general industry control computer, for 30 years, the programmable controller grew out of nothing, has realized the industry control domain wiring logic to the stored logic leap; Its function from to was weakly strong, realizes the logic to control to the numerical control progress; Its application domain from infancy to maturity, realized the monomer equipment simply to control to is competent the movement control, the process system, and the collection and distribution control and so on each kind of duty surmounting. The today programmable controller is becoming the industry control domain the mainstream control device, displays in world each place is coming the more major function.

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