Research and Design of OPC Data Access Server Based on .NET Framework
基于.NET Framework的OPC数据访问服务器的研究与设计①

This paper introduces the OPC technology in connection with the need for rapid development of OPC, and studies the similarities and differences between the .NET Framework and the COM. It demonstrates a .NET Framework-based framework design for developing out-of-process OPC Data Access server, introduces the realization approach and key technologies and the practical application of case, which can be used as reference for OPC development.