基于TCP/IP协议的PLC远程监控应用研究  

PLC Remote Monitoring Application Research Based on TCP/IP protocol

作　　者：李莉华[1] 何建忠[1] 曹超[1] 李建善[1] 

机构地区：[1]上海理工大学光电信息与计算机工程学院,上海200093

出　　处：《微计算机信息》2011年第8期57-59,共3页Control & Automation

摘　　要：Schneider Twido PLC与PC机远程界面通过TCP/IP协议进行数据通讯,同时,PC机可以对Twido PLC中的梯形图进行上传下载,达到远程监控与维护的目的,控制器与Twido PLC之间的Modbus通讯内容包括主站对从站的读取和写入,从功能上看,它可以看作是一种现场总线,不同厂商生产的设备通过Modbus接口可以相互连成工业网络,通过计算机的控制实现整个系统的监控。Schneider Twido PLC and PC,a remote interface,carries on the data communication through TCP/IP,simultaneously,PC machine may carry on uploading and downloading to the Twido PLC trapezoidal chart,so it can achieve the long-distance monitoring and the maintenance goal.Controller and Twido PLC Modbus communication between the main station includes reading and writing from the station,with regard to function,it may be regarded as one kind of field bus,Equipment from different vendors can be mutually connected via Modbus interfaces into industrial networks,control through the computer monitor the whole system.

关 键 词：现场总线 TCP/IP PLC 计算机控制 

分 类 号：TP[自动化与计算机技术]