Stream creation
- Last UpdatedJun 26, 2025
- 1 minute read
- PI System
- Adapter for OPC UA 1.6
- Adapters
The OPC UA adapter creates a stream with three properties for each selected OPC UA item. The properties are described in the following table:
|
Property name |
Data type |
Description |
|---|---|---|
|
Timestamp |
DateTime |
Timestamp of the given OPC UA item value update. |
|
Value |
Based on type of incoming OPC UA value |
Value of the given OPC UA item update, which includes multiple properties in addition to the data value. Note: For OPC UA items that support EURange, the additional Minimum/Maximum properties in CONNECT data services and the Zero/Span properties in PI Web API are populated. |
|
Quality |
Unsigned integer |
Data quality of the given OPC UA item update. Note: Quality is not sent for streams with Alarms and Conditions data. |
1 Note: Null values with Good quality are discarded. Null values with Bad or Questionable quality send the default value 0 or null to the destination.