Resource page for our course Learn OPC UA with Node-RED

What is OPC UA?

OPC UA, or Open Platform Communications Unified Architecture, is a machine-to-machine communication protocol that allows different industrial machines and systems to share data and communicate with each other.

It was developed as an improvement over its predecessor, OPC Classic, to provide more secure and reliable communication in industrial automation and control systems. OPC UA uses a service-oriented architecture, which means that each service or function has its own defined interface and can be accessed and used independently. This makes it easier to develop and implement complex industrial systems and ensures interoperability between different devices and systems, regardless of the manufacturer or platform.

OPC UA Course


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