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.
IEC 61508 (all parts), Functional safety of electrical/electronic/programmable electronic safety-related systems
https://www.iec.ch/functionalsafety/standards/
IEC 61784 3:2017, Industrial communication networks – Profiles – Part 3: Functional safety fieldbuses – General rules and profile definitions
https://webstore.iec.ch/publication/61165/
" https://webstore.iec.ch/publication/61165/
OPC 10000-2, OPC Unified Architecture - Part 2: Security Model
DOCPROPERTY Part2URL \* MERGEFORMAT http://www.opcfoundation.org/UA/Part2/
OPC 10000-3, OPC Unified Architecture - Part 3: Address Space Model
DOCPROPERTY Part3URL \* MERGEFORMAT 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
DOCPROPERTY Part5URL \* MERGEFORMAT http://www.opcfoundation.org/UA/Part5/
OPC 10000-6, OPC Unified Architecture - Part 6: Mappings
DOCPROPERTY Part6URL \* MERGEFORMAT http://www.opcfoundation.org/UA/Part6/
OPC 10000-7, OPC Unified Architecture - Part 7: Profiles
DOCPROPERTY Part7URL \* MERGEFORMAT http://www.opcfoundation.org/UA/Part7/
OPC 10000-8, OPC Unified Architecture - Part 8: Data Access
DOCPROPERTY Part8URL \* MERGEFORMAT http://www.opcfoundation.org/UA/Part8/
OPC 10000-9, OPC Unified Architecture - Part 9: Alarms and Conditions
DOCPROPERTY Part9URL \* MERGEFORMAT http://www.opcfoundation.org/UA/Part9/
OPC 10000-10, OPC Unified Architecture - Part 10: Programs
DOCPROPERTY Part10URL \* MERGEFORMAT http://www.opcfoundation.org/UA/Part10/
OPC 10000-11, OPC Unified Architecture - Part 11: Historical Access
DOCPROPERTY Part11URL \* MERGEFORMAT http://www.opcfoundation.org/UA/Part11/
OPC 10000-12, OPC Unified Architecture - Part 12: Discovery and Global Services
DOCPROPERTY Part12URL \* MERGEFORMAT http://www.opcfoundation.org/UA/Part12/
OPC 10000-13, OPC Unified Architecture - Part 13: Aggregates
DOCPROPERTY Part13URL \* MERGEFORMAT http://www.opcfoundation.org/UA/Part13/
OPC 10000-14, OPC Unified Architecture - Part 14: PubSub
DOCPROPERTY Part14URL \* MERGEFORMAT http://www.opcfoundation.org/UA/Part14/
OPC 10000-15, OPC Unified Architecture - Part 15: Safety
DOCPROPERTY Part15URL \* MERGEFORMAT http://www.opcfoundation.org/UA/Part15/
OPC 10000-16, OPC Unified Architecture - Part 16: State Machines
DOCPROPERTY Part16URL \* MERGEFORMAT http://www.opcfoundation.org/UA/Part16/
OPC 10000-17, OPC Unified Architecture - Part 17: Alias Names
DOCPROPERTY Part17URL \* MERGEFORMAT http://www.opcfoundation.org/UA/Part17/
OPC 10000-18, OPC Unified Architecture - Part 18: User Authorization
DOCPROPERTY Part18URL \* MERGEFORMAT http://www.opcfoundation.org/UA/Part18/
OPC 10000-19, OPC Unified Architecture - Part 19: Dictionary References
DOCPROPERTY Part19URL \* MERGEFORMAT http://www.opcfoundation.org/UA/Part19/
OPC 10000-20, OPC Unified Architecture - Part 20: File Transfer
DOCPROPERTY Part20URL \* MERGEFORMAT http://www.opcfoundation.org/UA/Part20/
OPC 10000-21, OPC Unified Architecture - Part 21: Device Onboarding
DOCPROPERTY Part21URL \* MERGEFORMAT http://www.opcfoundation.org/UA/Part21/
OPC 10000-22, OPC Unified Architecture - Part 22: Base Network Model
DOCPROPERTY Part22URL \* MERGEFORMAT http://www.opcfoundation.org/UA/Part22/
OPC 10000-23, OPC Unified Architecture - Part 23: Common ReferenceTypes
DOCPROPERTY Part23URL \* MERGEFORMAT http://www.opcfoundation.org/UA/Part23/
OPC 10000-24, OPC Unified Architecture - Part 24: Scheduler
DOCPROPERTY Part24URL \* MERGEFORMAT http://www.opcfoundation.org/UA/Part24/
X.509, X.509 Public Key Certificate Infrastructure
https://www.itu.int/rec/T-REC-X.509