OPC, or Open Platform Communications, has been around in some form since 1996. It is based on OLE(Object Linking and Embedding), now known as ActiveX, as well as COM (component object model) and DCOM (distributed component object model) technologies.
Component Object Model (COM) is part of The Microsoft .NET framework and provides the required software infrastructure for data sharing in Windows NT and similar operating systems.
OPC is the standard used in industrial automation and other process-control applications and is primarily a way to address the needs of computer-integrated manufacturing.
OPC is designed to provide a common communication interface for diverse industrial devices. For example, ActiveX/COM technologies allow controlling software components to share data and to interact with one another. This brings disparate process control devices together in a near standardized format.
Continue reading “Benefits of Open Platform Communications”
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