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

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

EEMUA: 2nd Edition EEMUA 191 – Alarm System – A guide to design, management and procurement (Appendixes 6, 7, 8, 9)

https://www.eemua.org/Products/Publications/Print/EEMUA-Publication-191.aspx

IEC 62682: Management of alarms systems for the process industries (Edition 1.0 2014-10)

https://webstore.iec.ch/publication/7363

ISA 18.2: Management of Alarm Systems for the Process Industries

https://www.isa.org/store/ansi/isa-182-2016,-management-of-alarm-systems-for-the-process-industries/46962105

IETF RFC2045: Multipurpose Internet Mail Extensions (MIME) Part One

https://www.ietf.org/rfc/rfc2045.txt

IETF RFC2046: Multipurpose Internet Mail Extensions (MIME) Part Two

https://www.ietf.org/rfc/rfc2046.txt

IETF RFC2047: Multipurpose Internet Mail Extensions (MIME) Part Three

https://www.ietf.org/rfc/rfc2047.txt