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Secondly, industrial control software can access and operate devices from different hardware manufacturers in a unified manner by developing a set of OPC interfaces. In this way, software and hardware manufacturers can focus on their respective core components rather than compatibility issues

For the end user, because there is no need to worry about interoperability, there is more room to choose and replace software and hardware, which will make the integration of heterogeneous computer systems very simple. Users can focus on the functionality and applications of the entire system, which also means a reduction in costs.

In addition, the use of OPC components is also very convenient, and users only need to perform simple configurations.

The OPC server adopts a unified standard in the underlying control system, achieving effective connection between application programs and on-site devices

playing an important bridge role, and promoting the integration of enterprise on-site control layer, production process management layer, and business decision-making layerOPC servers without worrying about underlying details. Through the OPC interface, OPC client programs can connect to one or more different OPC servers. At the same time, an OPC server can also be connected to multiple client programs, forming a many to many relationship