opc.hdaQualityString

converts OPC HDA quality ID to quality string

Syntax

qStr = opc.hdaQualityString(IDs)

Description

qStr = opc.hdaQualityString(IDs) converts the quality IDs of HDA data object into HDA quality string qStr.

If IDs is a vector, qStr is a cell array of character vectors, the same size as IDs.

Examples

Retrieve OPC HDA Quality String

Load the OPC HDA example data file and find the HDA qualities of the union of timestamps in hdaDataSmall.

load opcSampleHdaData;
newObj = tsunion(hdaDataSmall);
hdaQStr = opc.hdaQualityString([newObj.Quality])

hdaQStr =

  5×2 cell array

    {'Raw'}    {'Raw'         }
    {'Raw'}    {'Interpolated'}
    {'Raw'}    {'Raw'         }
    {'Raw'}    {'Interpolated'}
    {'Raw'}    {'Raw'         }

Input Arguments

IDs — Quality ID

scalar | matrix

Quality ID of OPC HDA data object, specified as a numeric value or a matrix of numeric values.

Example: 262336

Data Types: uint32

Output Arguments

qStr — HDA quality string

character vector | cell array of character vectors

HDA quality string is a text representation of the OPC HDA quality ID, returned as a character vector or cell array of character vectors.

Version History

Introduced in R2011a