Based on the analysis of existing problems of interface software development process of industrial control, the importance of building the general interface system based on OPC (Object Linking and Embedding for Process Control) was proposed. The data model was given with database technology. On the basis of the data model, the configurable general interface system based on OPC was implemented. Versatility and configurability is the most important feature of the interface system. By simple modification of configuration information, the interface system will meet the needs of different projects. The application results show that the interface system greatly reduces the development cycle of the related software, improves the reliability and stability of the application system, and reduces costs of system operation and maintenance.
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