RawData – OPC Unified Architecture – Part 11: Historical Access

OPC Unified Architecture – Part 11: Historical Access

v1.05.04

1Scope
2Normative references
3Terms, definitions, and abbreviations
- 3.1Terms and definitions
- 3.2Abbreviated terms
4Concepts
5Historical Information Model
6Historical Access specific usage of Services
Annex AClient conventions (Informative)
- A.1How clients can request timestamps
- A.2Determining the first or last historical data point

3.1.8 RawData

data that is stored within the historian for a HistoricalDataNode

Note 1

Note 1 to entry: The data can be all data collected for the DataValue or it can be some subset of the data depending on the historian and the storage rules invoked when the item’s values were saved.