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 10000-3, 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 10000-6, OPC Unified Architecture - Part 6: Mappings
http://www.opcfoundation.org/UA/Part6/
OPC 10000-7, OPC Unified Architecture - Part 7: Profiles
http://www.opcfoundation.org/UA/Part7/
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 10000-12, OPC Unified Architecture - Part 12: Discovery and Global Services
http://www.opcfoundation.org/UA/Part12/
OPC 10000-19, OPC Unified Architecture - Part 19: Dictionary References
http://www.opcfoundation.org/UA/Part19/
OPC 10000-21, OPC Unified Architecture - Part 21: Device Onboarding
http://www.opcfoundation.org/UA/Part21/
OPC 10000-81, UAFX Part 81: Connecting Devices and Information Model
http://www.opcfoundation.org/UA/Part81/
NAMUR Recommendation NE107: Self-monitoring and diagnosis of field devices
ASiC-E, ETSI EN 319 162-1 V1.1.1 (2016-04) Associated Signature Containers
https://www.etsi.org/deliver/etsi_en/319100_319199/31916201/01.01.01_60/en_31916201v010101p.pdf
CAdES, ETSI EN 319 122-1 V1.3.1 (2023-06) Advanced Digital Signatures
https://www.etsi.org/deliver/etsi_en/319100_319199/31912201/01.03.01_60/en_31912201v010301p.pdf