OPC UA

This section of the catalog holds information about various topics in the realm of Open Platform Communications Unified Architecture (OPC UA). Currently, the following entries are available:

• OPC UA (Open Platform Communications Unified Architecture)
• OPC Foundation
• OPC Foundation Harmonization Group
• OPC UA FLC Initiative and FX
• OPC UA Communication Layer
• OPC UA Information Layer

OPC UA in industrial communication

An brief overview of OPC UA is given in OPC UA (Open Platform Communications Unified Architecture). OPC UA is being developed and published by the OPC Foundation.

As shown in the figure, for Industrie 4.0 communication with OPC UA there are multiple migration steps to take, some of them have to be implemented only once, some have to be done per project.

The first major part of OPC UA is the ability to create a communication network for the transport of defined data: OPC UA Communication Layer.

The second major part of OPC UA is the ability to create and standardize semantic data in form of information models: OPC UA Information Layer