电气1111-12毕业论文.docVIP

目录 摘要 .....................................................2 第一章 绪论.............................................4 1.1可编程控制的产生...................................5 第二章 设计内容及要求...................................6 2.1设计要求...........................................7 2.2 I/O地址分配表.....................................8 2.3 外围接线图........................................9 2.4 梯形图...........................................10 2.5.指令表...........................................12 第三章 程序设置说明及运行................. ............14 3.1.主电路图.........................................14 3.2.程序设置及说明...................................15 3.3.运行调试.........................................16 第四章 硬件设施........................................17 4.1.元器件选择........ ..............................17 4.2.元器件清单.......................................18 8.小结...................................................19 9.参考文献...............................................20 10.致谢..................................................21  摘 要 可编程序控制器控制系统较继电器和单片机控制系统优点明显，目前，PLC以其极高的可靠性、丰富的指令集、图形化的编程方法、强大的功能、优良的性能、良好的耐恶劣环境的能力，已经成为工业控制领域中应用最广泛的工业控制设备。 本课题是用PLC模拟四节传送带的工作。用PLC控制传送带具有程序设计简单、易于操作和理解、能够实现多种功能等优点。此系统能够实现四节传送带的倒序启动和顺序停止以及故障等功能. 关键字：可编程序控制器 四节传送带 启动和停止 故障处理summary Programmable controller is relay control system and single-chip microcomputer control system advantages obviously, at present, the PLC with its high reliability, rich instruction set, the graphical programming method, powerful features, superior performance, good resistance to bad environment ability, has become the most widely used in industrial control field of industrial control equipment. This topic is to use the PLC simulation of four section of the conveyor belt. Use PLC to control the conveyor is simple in program design, easy operation, and understanding, can realize many functions, etc. This system can achieve four section of the conveyor belt in reverse order start and stop, and fault etc. Function. Key words:  programmable c