交通信號(hào)燈的實(shí)驗(yàn)畫面設(shè)計(jì)

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【摘要】 本設(shè)計(jì)采用西門子S7-200smart PLC和西門子的觸摸屏作為交通信號(hào)燈實(shí)驗(yàn)畫面設(shè)計(jì)的基本硬件，然后從硬件設(shè)計(jì)、PLC控制程序的軟件設(shè)計(jì)兩方面出發(fā)，詳細(xì)介紹了設(shè)計(jì)原理、硬件接線、時(shí)序圖及觸控畫面，實(shí)現(xiàn)了對(duì)交通信號(hào)燈的運(yùn)行可靠控制，達(dá)到預(yù)期的設(shè)計(jì)目的。

【關(guān)鍵詞】 PLC;交通信號(hào)燈;觸摸屏

【DOI編碼】 10.3969/j.issn.1674-4977.2022.01.030

Experimental Picture Design of Traffic Lights

CHEN Xiao-yong，YUAN Song，QI Li-man

（Fushun Product Quality Supervision and Inspection Institute，F(xiàn)ushun 113006，China）

Abstract： In this design， Siemens S7-200smart PLC and Siemens touch screen are used as the basic hardware for the design of the traffic signal experimental screen. Then，starting from the hardware design and the software design of the PLC control program，the design principle，hardware wiring，software ladder diagram，timing diagrams and touch screens realize reliable control of the operation of traffic lights and achieve the expected design goals.

Key words： PLC;traffic lights;touch screen

1 交通信號(hào)燈設(shè)計(jì)概述

交通信號(hào)燈是在車輛運(yùn)行過程中指揮交通運(yùn)行的信號(hào)燈，在道路十字路口，使用交通信號(hào)燈是交通得以有效管制重要手段之一。（剩余2064字）