Using.NET and OPC technologies,the development of Monitoring and Configuration software's OPC DA Client has been realized.It successfully solves the problem of communication with different devices,and efficiently realizes the system integration.Through the OPC DA Client,the communication between Monitoring and Configuration software and SIMATIC PLC has been realized.
【更新日期】
2009-10-21
【分类号】
TP311.52
【正文快照】
监控组态软件的开发过程中,需要解决和底层不同设备的通信问题.但是,由于不同厂家生产的设备种类不断增多,并且不同类型的设备提供的通信协议存在区别,使得监控组态软件与不同设备通信存在很大难度,开发与每个设备的通信程序,必然耗费大量的人力、财力.OPC(OLE for Process Con