P华东交通大学PLC课程设计课题十字路口交通信号灯自动控制姓名专业班级08电信班学号指导老师罗世民完成时间2010年12月25日十字路口交通信号灯自动控制目录摘要·································································11应用背景与需求·················································22控制任务分析····················································32.1方案研究························································32.2控制要求························································42.3控制任务分析···················································52.4流程图···························································52.5十字路口交通灯模拟控制时序表及时序图···················6十字路口交通信号灯自动控制3PLC选型及输入输出地址定义································73.1可编程控制器选型··············································73.2输入输出定义···················································83.3输入输出接线图················································94程序设计··························································104.1简略梯形图···············································104.2程序梯形图·····················································114.3语句表··························································125系统安装与调试·················································135.1程序输入·····················································135.2系统安装·····················································15十字路口交通信号灯自动控制5.2.1元件表·····················································155.2.2安装接线···················································165.2.3将程序写入PLC·············································16总结·································································17致谢·································································18参考文献···························································19十字路口交通信号灯自动控制十字路口交通信号灯自动控制十字路口交通信号灯自动控制摘要城市交通控制系统是用于城市交通数据监测、交通信号灯控制与交通疏导的计算机综合管理系统，它是现代...
