基于单片机的PLC编程控制器
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密 惠 保
摘 要
本文详细介绍了国内单片机的PLC编程器的发展现状，发展中所面临的问题。从产品质量、性能及应用方面看单片机的PLC编程器的差距；整个行业看国产单片机的PLC编程器所存在的问题以及它的发展趋势。同时也详尽的介绍了此次设计中最重要的组成部件单片机的概念、工作原理及设备总体结构，其中包括MCS-51的发展历程，选型依据。设计了一种基于单片机MCS-51的单片机的PLC编程器，介绍了所选用的8031、8255等单片机。
[来源：http://think58.com]
关键词：编程器，单片机，PLC
[版权所有：http://think58.com]
[资料来源：THINK58.com]
[资料来源：www.THINK58.com]
Abstract
This paper describes the PLC programmer internal microcontroller development status of the problems facing the development. From product quality, performance and application of the SCM's the difference between PLC programmer; the entire industry to see the PLC programmer microcontroller made the problems and its development trend. Also presented the detailed design of the most important component parts of the concept of SCM, the overall structure of the working principle and equipment, including the MCS-51 development process, selection basis. Designed based on single chip microcontroller MCS-51 of the PLC programmer, and introduces the use of 8031,8255 and other microcontroller.
Keywords: programmer, microcontroller, PLC [版权所有：http://think58.com]
[来源：http://think58.com]
[来源：http://think58.com]