plc与变频器的远程通信.docVIP

PLC与变频器的远程通讯摘要PLC具有控制能力强、可靠性高已经在工业生产的各个领域得到了大规模的应用。研究PLC和变频器的远程通讯使人们可以远离工业生产现场对生产过程进行监控，、使用灵活水平和生产的安全性。和易于实现过程自动化的优点，变频器本次设计是在熟悉组态王软件，同时利用组态王软件建立电动机运行的监控界面。文中重点介绍了件、S7-200编方便、和易于编程、扩展、通信等一系列优点，是现代工业生产自动化的核心设备之一。由于变频调速具有稳定性好，效率高，精度高可以极大地提高工业生产的自动化程软件、西门子MM440变频器、以及USS通信协议的基础上完成的。本文最终要实现的是PLC与变频器之间通过USS协议进行远程通讯，控制电动机转组态王界面的制作及参数的设置、USS协议的应用、PLC程序的编写过程及参数设置、变频器的参数设置、PLC与变频器的通信等。关键词　PLC；变频器；USS通信协议；组态王PLC and TRANSDUCERCOMUNICATIONAbstractPLC which has strong ability on controlling and has high reliability is one of the most important device that have a set of merits on programming、expanding and communication. in modern industrial production.Because transducer makes speed transferring stable 、efficient and accurate,it has been used widely in industrial production.Studying the communication of PLC and transducer can make people monitor the producing process far away from the producing field,which improve largley the degree of automation and safety in industry producing.This design is completed on the bases of knowing KING VIEW,s7-200 programming software,SIEMENSE MM420,transducer and USS communication protocol. This essay mainly materializes that PLC communicates with transducer so as to controlling the electric motor speed and monitoring the speed in the same time.In this essay,I introduce the facture of king view and the parameters setting of king view, the application of USS protocol,the writing process of the PLCs program and parameter setting,the parameter setting of transducer,communication between PLC and transducer,etc.Keywords　PLC;transducer;USS communicating protocol; king view目录摘要…… IAbstract II第1章 绪论 51.1 课题背景 5第2章 PLC简介 62.1 PLC的原理 62.2 PLC的特点 72.3 PLC控制系统的结构 82.4 PLC的应用领域 92.5 SIEMENS S7-200 PLC 102.5.1 西门子S7-200 PLC的功能概述 102.5.2 西门子S7-200 PLC的工作模式 112.5.3 S7-200 PLC网络的通信协议 12第3章 通用变频器原理 143.1 变频器的基本结构和原理 143.1.1 变频器的控制方式 153.1.2 变频器的干扰问题 163.2 变频器的类别 173.2.1 根据变频环节的不同的分类 173.2.2 根据主电路工作方式分类 173.2.3 根据电压的调制方式分类 183.3 变频调速控制系统的