Benifits of OPC (OLE for Process Control )


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OPC [OLE for Process Control]

Features of OPC

1.Discovers OPC servers on the network/PC
2.View the tags available in the server
3.Tags could be grouped into a hirearchy
4.Read one or more tags
5.Write to one or more tags
6.Subscribe to tags and receive value change notiifcations
7.Easily identify good/bad data

Benefits of using OPC technology

1.Vendors were no longer required to maintain extensive device protocol libraries
2.High quality and affordable device-drivers emerged
3.More specialized clients emerged
4.Developer toolkit emerged for rapid development of custom applications that could also integrate with the OPC infrastructure
5.End-users could mix and match numerous vendor products to achieve the best overall solution