Annex D (informative) Mapping from OPC A&E to OPC UA A&C ToC Previous Next

D.2 Alarms and Events COM UA wrapper ToC Previous Next

D.2.4 Event attributes ToC Previous Next

Event Attributes in the A&E COM Server are represented in the UA Server as Variables which are targets of HasProperty References from the ObjectTypes which represent the Event Categories. The BrowseName and DisplayName are the description for the Event Attribute. The data type of the Event Attribute is used to set DataType and ValueRank. The NodeId is constructed from the EventCategoryId, ConditionName and the AttributeId.

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