Alarms and Events Title: Alarms and Events Description:

This specification describes the behavior of an OPC Server which can monitor areas and notify Clients about alarm conditions, covering:


  • Overview and purpose of Alarms & Events technology
  • Overview of general architecture and methodology of alarms, events, acknowledgments, queries, and areas
  • Detailed descriptions of interfaces, methods, parameters, and expected behaviors
  • Detailed descriptions of data types and structures
  • Sample code (OPC Server) containing interface definitions and error codes



License: OPC Foundation Specifications Agreement


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This specification is complete and no longer maintained.


Access: Paid Members
Version Status Description Date Posted
1.1 Release Specification Icon
Version Status Description Date Posted