基于 PLC 的交通信号灯控制设计摘要:PLC 是以微处理器为根底,综合了计算机技术、自动控制技术和通讯技术开展而来的一种新型工业控制装置
它具有结构简单、编程方便、可靠性高等优点,已广泛用于工业过程和位置的自动控制中
由于 PLC 具有对使用环境适应性强的特性,同时其内部定制器资源十分丰富,可对目前普遍使用的信号灯进行精准控制,特别对多岔路口的控制可以方便的实现
本文以单个十字路口交通灯为例,用 PLC 实现单个十字路口交通信号灯控制的方法
关键词:交通灯; 自动控制; PLCTraffic Signal Light Controlling Based On PLCAbstract: Taking a microprocessor as a foundation, the programmable controller is one new industry controller device synthesized with the computer technology, the automatic control technology and the communication technological
It has simply structure, conveniently program and high reliability, and widely uses in industry process and in automatic position control
Because PLC has a strong characteristic adapting to environment and simultaneously it’s internal timer resources are extremely rich, the signal l