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QuickOPC for OPC Alarms and Events (OPC-A&E)

OPC Alarms&Events provides alarm and event notifications on demand (in contrast to the continuous data flow of OPC Data Access). These include process alarms, operator actions, informational messages, and tracking/auditing messages.

OPC Alarms and Events. Technical Overview (OPC Foundation) (PPT)

OPC-A&E is fully supported by QuickOPC. OPC clients with alarms and events features can be developed easily.OPC A-E 1x

If you need OPC Alarms&Conditions for OPC Unified Architecture, click here - QuickOPC supports it too.

Supported OPC-A&E Operations

With QuickOPC, you can perform following OPC Alarms&Events operations:
  • Discover (browse) OPC servers (applications) on the computer and on the network.
  • Browse the address space of the OPC server.
  • Get state of an event condition.
  • Acknowledge an active condition.
  • Query for event categories and event conditions.
  • Subscribe to events, and possibly later change the parameters of the subscription, or unsubscribe.
  • Refresh the event subscription.

Most developers use the procedural coding model to create their applications. You can also: