Supported Quality Values
The following table provides a list of the quality values in Historian and the corresponding ones in the OPC UA HDA server.
| Proficy Historian Quality | OPC Classic HDA Quality | Description |
|---|---|---|
| ihOPCGood | OPC_ QUALITY_ GOOD | Indicates that there is no need for inspection. This quality is returned for the tags that have all the values archived properly. |
| ihOPCBad | OPC_ QUALITY_ BAD | Indicates a need for attention. This quality is returned for the tags that had problems during the collection. |