Tag Attributes Available in Browse (OPC HDA Collectors)

The following table outlines the tag attributes available when browsing.

AttributeCapability
TagnameYes
Source AddressYes
Engineering Unit DescriptionYes,varies by OPC UA Server vendor.
Data TypeYes. See Data Types.
Hi Engineering UnitsYes, varies by OPC UA Server vendor.
Lo Engineering UnitsYes, varies by OPC UA Server vendor.
Hi ScaleNo
Lo ScaleNo
Is Array TagYes
Note: While some of these attributes are queried on a browse, they are not shown in the browse interface. These attributes are used when adding a tag, but whether all attributes come from the server or not is not visible to you.