PC与PLC通讯在远程网络测控系统中的应用  

Application of Communication Between PC and PLC in Long-distance Network Measurement and Control System

作　　者：童强[1] 喻金科[1,2] 李文俊[1] 

机构地区：[1]南昌航空大学信息工程学院,江西南昌330063 [2]南昌航空大学信息中心,江西南昌330063

出　　处：《计算机与现代化》2011年第11期105-107,165,共4页Computer and Modernization

摘　　要：概述远程网络测控系统的工作原理,介绍PC机与PLC在远程网络测控系统中的通讯方式,并采用欧姆龙(OM-RON)公司专有的HostLink协议,在Delphi 7.0环境下结合第三方控件MSComm实现上下位机的通信编程。This paper describes the principle of long-distance network measurement and control system,introduces a way of communication between PC and PLC in the long-distance network measurement and control system.With the HostLink communication protocol which belongs to OMRON,serial communication between PC and PLC is realized by using of MSComm component under Delphi 7.0 environment.

关 键 词：串行通信 可编程控制器 DELPHI 7.0 网络测控 

分 类 号：TP319[自动化与计算机技术—计算机软件与理论]