摘  要：用FXGPWIN软件，设计基于PLC的交通控制系统，设计可通过基本指令和步进指令实现，然后下载到三菱的试验箱上模拟，实现交通灯自动的维持十字路口交通，能让车和人在十字路口正常通行，以保证安全运行。 关键词：PLC   SFC   模拟 Summary: Design the traffic control system based on PLC using FXGPWIN software. The design can be realized by basic instructions and stepping instructions. Then it can be downloaded to Mitsubishi's test box to simulate and realize the automatic m[登陆后可查看全文]