Status Attributes that are Specific to OPC UA Subscription Items
In addition to status attributes that are common to many database items, OPC UA Subscription items support these item-specific status attributes:
- Subscription State Alarm
- Source
- State
- Current Server
- Actual Maximum Keep Alive Count
- Actual Lifetime Count
- Actual Publishing Interval.
If the OPC UA Subscription item is being used to monitor the status of the OPC UA Server, the following set of status attributes are included on the Status display of the OPC UA Subscription item. There is one set of these status attributes per status aspect that is currently being monitored on the OPC UA Server by this Subscription item:
Further Information
Status Attributes that are common to many database items: see Understand the Status Display in the Geo SCADA Expert Guide to ViewX and Virtual ViewX Clients.
Use an OPC UA Subscription item to monitor the status of the OPC UA Server: see Configure the URL, Certificate, and Authentication Properties.