4 Introduction to OPC Unified Architecture ToC Previous Next

4.3 Information modelling in OPC UA ToC Previous Next

4.3.3 Companion Specifications ToC Previous Next

An OPC UA companion specification for an industry specific vertical market describes an Information Model by defining ObjectTypes, VariableTypes, DataTypes and ReferenceTypes that represent the concepts used in the vertical market, and potentially also well-defined Objects as entry points into the AddressSpace.

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