摘要
可编程控制器是将计算机技术、自动控制技术、通讯技术融为一体的一种新型工业控制装置。PLC以其可靠性高、功能强大、使用方便等特点在工业自动化控制领域获得了广泛应用。通过对可编程控制器(PLC)、工控机、单片机的优缺点进行对比,阐述了在什么样的场合应该选用PLC;同时说明了PLC选型时应注意的几点事项。
Programmable logic controller (PLC) is a new device of industrial control, which merges computer, auto - control and communication into a single whole. PLC has got broad applications in indus- try control field, because of high reliability, power function, easy - to - use and so on. Contrast the merits and demerits of PLC, industrial computer and singlechip computer. Expound application scope of PLC. Explain points of attention of selecting PLC.
出处
《电子工艺技术》
2006年第5期288-290,共3页
Electronics Process Technology
关键词
PLC
硬件
软件
运算速度
定位模块
PLC
Hardware
Software
Operation speed
Orientation module