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.