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OPC技术在PLC虚拟仿真实验软件中的应用
引用本文:周亚军,曾洋,俞武嘉.OPC技术在PLC虚拟仿真实验软件中的应用[J].机电工程,2011,28(4):468-471.
作者姓名:周亚军  曾洋  俞武嘉
作者单位:杭州电子科技大学自动化学院,浙江杭州,310018
摘    要:为解决所设计的可编程逻辑控制器(PLC)虚拟仿真实验软件与PLC之间的通信问题,分析研究了OPC客户端与服务器端之间的通信机制,将OPC技术应用到仿真实验软件与PLC的通信交互中.设计了一种通用型OPC数据采集发送客户端,该客户端可连接通信现代工业控制上常用的多种类型的PLC,采用实时反馈的数据传送模式.最后以西门子P...

关 键 词:OPC  可编程逻辑控制器  实验软件

Application of OPC technology in the software about PLC virtual simulation
ZHOU Ya-jun,ZENG Yang,YU Wu-jia.Application of OPC technology in the software about PLC virtual simulation[J].Mechanical & Electrical Engineering Magazine,2011,28(4):468-471.
Authors:ZHOU Ya-jun  ZENG Yang  YU Wu-jia
Affiliation:(School of Automation,Hangzhou Dianzi University,Hangzhou 310018,China)
Abstract:To solve the problem of the communication between the programmable logic controller(PLC) and the PLC virtual simulation software,the communication mechanism between the OLE for process controll(OPC) client and server was analyzed.The OPC technology was applied in the connecting experimental program with PLC.Besides,a general-purpose data acquisition OPC client was designed,which can connect with many types of PLC used in the modern industrial controlling and which adopts the real-time feedback data transfer mode.Finally,the OPC client was tested by using virtual elevator experiment of simulation software based on the platform of Siemens PC access server and S7-200 PLC.The result of the test show that OPC technology can improve the efficiency and real-time performance of the system.
Keywords:OLE for process controll(OPC)  programmable logic controller(PLC)  experimental software
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