Errata exists for this version of the document.

The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. 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 10000-2, OPC Unified Architecture - Part 2: Security Model

http://www.opcfoundation.org/UA/Part2/

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 10000-6, OPC Unified Architecture - Part 6: Mappings

http://www.opcfoundation.org/UA/Part6/

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

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

OPC 10000-9, OPC Unified Architecture - Part 9: Alarms and Conditions

http://www.opcfoundation.org/UA/Part9/

OPC 10000-11, OPC Unified Architecture - Part 11: Historical Access

http://www.opcfoundation.org/UA/Part11/

ISO/IEC 10918-1: Information technology – Digital compression and coding of continuous-tone still images: Requirements and guidelines

https://www.iso.org/standard/18902.html

ISO/IEC 15948: Information technology – Computer graphics and image processing – Portable Network Graphics (PNG): Functional specification

https://www.iso.org/standard/29581.html

ISO 639 (all parts): Codes for the representation of names of languages

https://www.iso.org/iso-639-language-codes.html

ISO 3166 (all parts): Codes for the representation of names of countries and their subdivisions

https://www.iso.org/iso-3166-country-codes.html

ISO/IEC/IEEE 60559:2011: Information technology – Microprocessor Systems – Floating-Point arithmetic

https://www.iso.org/standard/57469.html

IETF RFC 5646: Tags for Identifying Languages

http://tools.ietf.org/html/rfc5646

ISO 8601-2000: Data elements and interchange formats

https://www.iso.org/standard/26780.html

Unicode Annex15: Unicode Standard Annex #15: Unicode Normalization Forms

http://www.unicode.org/reports/tr15/

W3C XML Schema Definition Language (XSD) Part 2: DataTypes

http://www.w3.org/TR/xmlschema-2/

TAI: International Atomic Time

http://www.bipm.org/en/bipm-services/timescales/tai.html