The following referenced documents are indispensable for the application of this document. 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 10000-9, OPC Unified Architecture - Part 9: Alarms and Conditions

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

OPC 10000-16, OPC Unified Architecture - Part 16: State Machines

http://www.opcfoundation.org/UA/Part16/

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

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

OPC 30081, OPC UA for Process Automation Devices – PA-DIM TM  

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

OPC 40001-1, OPC UA for Machinery - Part 1: Basic Building Blocks

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

OPC 40001-2, OPC UA for Machinery - Part 2: Process Values

http://www.opcfoundation.org/UA/Machinery/ProcessValues/