ca6140数控车床plc改造.doc

1 摘要随着可编程序控制器( 简称 PLC ) 技术的发展, 由于其功能强大、容易使用、高可靠性, 广泛的工业现场适应性和方便的工艺扩展性能, PLC 在工业自动控制过程中得到了越来越广泛的应用,常常被用来作为现场数据的采集和设各的控制。组态软件技术作为用户可定制功能的软件平台工具,在 PC 机上可开发出友好人机界面, 通过 PLC 可以对自动化设备进行“智能”控制。本次设计正是在这种背景下, 运用西门子 S7-200PLC 对普通机床进行的现代化程控改造, 讨论了控制流的选择, 然后运用组态软件对 PLC 控制系统进行人机界面的监控。关键词:可编程序控制器,控制流,组态软件 2 A BSTRACT With the Programmable Logic Controller (PLC) technology, because of its powerful, easy to use, high reliability, wide adaptability and convenience of industrial processes on site scalability, PLC in industrial automation during the process of the Yue and more widely used, often used asa field data collection and set the control. Configuration software technology asa function of user customizable software platform tool, PC, a friendly interface that can be developed through the PLC automation equipment can be "intelligent" control. The design is in this context, using Siemens S7-200 PLC modernization of the ordinary program-controlled machine tools for transformation, discussed the control flow of the choice and then use the configuration software on the PLC control system man-machine interface control. KEY WORDS: programmable logic controller, control flow, configuration software 3 目录摘要.............................................................................................................. 1 前言.............................................................................................................. 5 第1章绪论................................................................................................. 6 程控机床的发展前景及意义..................................................... 6 机床改造方案的确定及系统的选择........................................ 7 CA6140 车床的概述......................................................... 7 对 CA6140 车床控制系统的选择.................................. 9 第2章控制系统设计............................................................................. 10 控制要求..................................................................................... 10