IEC 62541-12 Ed. 2.0 en:2025
IEC 62541-12 Ed. 2.0 en:2025 HistoricalOPC unified architecture - Part 12: Discovery and global services
standard byInternational Electrotechnical Commission , 12/01/2025
standard byInternational Electrotechnical Commission , 12/01/2025
IEC 62541-12:2025 specifies how OPC Unified Architecture (OPC UA) Clients and Servers interact with DiscoveryServers when used in different scenarios. It specifies the requirements for the LocalDiscoveryServer, LocalDiscoveryServer-ME and GlobalDiscoveryServer. It also defines information models for Certificate management, KeyCredential management and AuthorizationServices.
Annex A informatively discusses deployment and configuration aspects.
Annex B defines NodeSet and numeric NodeIds.
Annex F provides installation rules for the LDS.
Annex H compares the Certificate management defined in this document with IETF RFC 7030.