1 Scope 
This specification describes the OPC Unified Architecture (OPC UA) AddressSpace and its Objects. This Part is the OPC UA meta model on which OPC UA information models are based.
Online versions of OPC UA specifications and information models.
This specification describes the OPC Unified Architecture (OPC UA) AddressSpace and its Objects. This Part is the OPC UA meta model on which OPC UA information models are based.