About Event Attributes
Events usually also include attributes, which give greater detail to the status of the event. Attributes vary from server to server; user-defined attributes as well as vendor-defined attributes may be configured on your OPC Alarms and Events server.
Some common attributes are:
- Start time
- End time
- Acknowledgement status
- Acknowledgement time
- Operator name
- Data Source
- Quality
- Severity
Historian archives all event attributes sent to it by the OPC Alarms and Events server. Consult your OPC Alarms and Events server documentation for more information.