The following tables list the members exposed by OPCQuality.
Public Constructors
| Name | Description | |
|---|---|---|
 | OPCQuality Constructor |
Public Properties
| Name | Description | |
|---|---|---|
 | LimitField | A qualified name matching the OPC Limit Bit Field. A LimitField attribute will be returned for any Limit Status other than ??none? irrespective of the value of QualityField. Clients may specify a LimitField when performing a Write. |
| QualityField | A qualified name matching the OPC Quality Status and Substatus (i.e., the Quality BitField, and the Substatus BitField of the DA Quality Word). A ??Good? quality may result in no QualityField attribute being returned. If ??Bad?, or ??Uncertain? then a QualityField attribute will be returned. The server will NOT return a value if the quality is Bad, except as described in OPC specification. The server is required to return a ??reasonable? value when the quality is uncertain. Clients may specify a QualityField when performing a Write. |
| VendorField | A numeric value matching the OPC Vendor Bit Field. VendorField attribute may be returned at Vendor??s discretion. Clients may specify a VendorField when performing a Write. |