Unified Architecture

Part 9: Alarms and Conditions Title: Part 9: Alarms and Conditions Description:

This specification describes the Alarms & Conditions applications, covering:


  • Overview and concepts of Alarms & Conditions and its evolution from the OPC Classic Alarms & Events specification
  • Information model description and behavior rules, each data type, and expected behaviors
  • Address-space organization


License: OPC Specifications Agreement of Use


OPC Foundation membership fees are used by the OPC Foundation for the continuous improvement of this specification, which includes bug-fixes and adding new features as required by the continuous advancement of the OPC Specifications.


Found a bug? Please report any bugs to our Mantis system. Click the "Tracking" tab for a list of current work items. We welcome your bug-fixes and kindly ask you to submit them via Mantis.


Have a Suggestion / Request for enhancement / New Features? Please Join an OPC Foundation Member Working Group (details may be found here). You may also submit requests to the OPC Foundation email address of. All suggestions become the property of the OPC Foundation.


Activities including bug-fixes and feature requests as reported in our Mantis bug-tracking system as described here.



Access: Registered User
Version Status Description Date Posted
1.05.01 Release OPC 10000-9 - Part 9 - Alarms and Conditions (ZIP/PDF) 2022-03-01 Icon
1.04 Release OPC 10000-9 - Part 9: Alarms and Conditions (ZIP/PDF) 2017-11-22 Icon
Version Status Description Date Posted
1.03 Release ZIP/PDF 2016-03-04 Icon
1.02 Release Specification 2012-03-18 Icon
1.00 Release 2010-03-15 Icon