摘要本可编程序控制器的英文为 Programmable Controller , 在二十实际七十至八十年代一直简称为 PC。可编程控制器( PLC ) 是专为在工业环境下应用而设计的一种工业控制计算机,具有抗干扰能力强、可靠性极高、体积小、是实现机电一体化的理想控制装置等显著优点. 本文基于 plc 在公路上的应用。主要涉及十字路口红绿灯的设计,使之稳定,持续地工作。关键词: plc 红路灯稳定梯形图 Abstract Programmable controller for the Programmable Controller in English, twenty of the actual seventy to eighty age has been referred to as the PC. Programmable logic controller (PLC) isa kind of industrial puter is designed for applications in the industrial design environment, has strong anti-interference ability, high reliability, small volume, is the ideal control device has the advantages of the electromechanical integration . In this paper, the application of PLC in highway based on. The design mainly involves the crossroads traffic lights, so that stable, continuous work. Keywords: PLC red lights stable ladder diagram 绪论.............................................................................................................................................................................. 1 引言............................................................................................................................................................... 1 PLC 概述....................................................................................................................................................... 1 二、交通信号系统.........................................
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