The following referenced documents are indispensable for the application of this specification. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments and errata) applies.

OPC 10000-1, OPC Unified Architecture - Part 1: Overview and Concepts

http://www.opcfoundation.org/UA/Part1/

OPC 10000-3, OPC Unified Architecture - Part 3: Address Space Model

http://www.opcfoundation.org/UA/Part3/

OPC 10000-4, OPC Unified Architecture - Part 4: Services

http://www.opcfoundation.org/UA/Part4/

OPC 10000-5, OPC Unified Architecture - Part 5: Information Model

http://www.opcfoundation.org/UA/Part5/

OPC 10000-8, OPC Unified Architecture - Part 8: Data Access

http://www.opcfoundation.org/UA/Part8/

OPC 10000-100, OPC Unified Architecture - Part 8: Data Access

http://www.opcfoundation.org/UA/Part100/

ISO/IEC 11179-6, Information technology – Metadata registries (MDR) – Part 6: Registration

https://www.iso.org/standard/60342.htmlhttps://www.iso.org/standard/60342.html

ISO 29002-5, Information automation systems and integration – Exchange of characteristic data – Part 5: Identification scheme

https://www.iso.org/standard/50773.html

" https://www.iso.org/standard/50773.html

ISO/IEC 6523, Information technology – Structure for the identification of organizations and organization parts

https://www.iso.org/standard/25773.html

" https://www.iso.org/standard/25773.html