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 10000-2, OPC Unified Architecture - Part 2: Security Model

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

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 10000-19, OPC Unified Architecture - Part 19: Dictionary Reference

http://www.opcfoundation.org/UA/Part19/

OPC 10000-100, OPC Unified Architecture - Part 100: Devices

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

IEC 62769, Field Device Integration (FDI)

https://webstore.iec.ch/searchform&q=62769

NAMUR Recommendation

https://www.namur.net/en/recommendations-and-worksheets/current-nena.html

NE107: Self-monitoring and diagnosis of field devices

NE131: NAMUR standard device - Field devices for standard applications

NE175: NAMUR Open Architecture (NOA)

IEC 61987 Common Data Dictionary (CDD)

https://cdd.iec.ch/cdd/iec61987/iec61987.nsf/