This part of IEC 62541 defines the OPC Unified Architecture (OPC UA) AddressSpace and its Objects. This document is the OPC UA meta model on which OPC UA information models are based.
DIN EN IEC 62541-3:2021 history
2021DIN EN IEC 62541-3:2021 OPC Unified Architecture - Part 3: Address Space Model (IEC 62541-3:2020); English version EN IEC 62541-3:2020
2019DIN EN IEC 62541-3 E:2019 Draft Document - OPC unified architecture - Part 3: Address Space Model (IEC 65E/601/CDV:2018); English version prEN IEC 62541-3:2018
2015DIN EN 62541-3:2015 OPC unified architecture - Part 3: Address Space Model (IEC 62541-3:2015); English version EN 62541-3:2015
DIN EN IEC 62541-3:2021 OPC Unified Architecture - Part 3: Address Space Model (IEC 62541-3:2020); English version EN IEC 62541-3:2020 was changed to DIN EN 62541-3:2015 OPC unified architecture - Part 3: Address Space Model (IEC 62541-3:2015); English version EN 62541-3:2015.