Statements (48)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:OPC_specification
|
| gptkbp:abbreviation |
gptkb:OPC_HDA
|
| gptkbp:category |
gptkb:network_protocol
data access standard |
| gptkbp:developedBy |
gptkb:OPC_Foundation
|
| gptkbp:documentation |
https://opcfoundation.org/developer-tools/specifications-classic/historical-data-access-hda/
|
| gptkbp:enables |
access to archived data
retrieval of annotations retrieval of event data retrieval of interpolated data retrieval of processed data retrieval of raw data retrieval of time-series data |
| gptkbp:firstReleased |
1999
|
| gptkbp:focusesOn |
historical process data
|
| https://www.w3.org/2000/01/rdf-schema#label |
OPC Historical Data Access
|
| gptkbp:partOf |
gptkb:OPC_standards
|
| gptkbp:relatedTo |
gptkb:OPC_Alarms_and_Events
gptkb:OPC_Unified_Architecture gptkb:OPC_Data_Access |
| gptkbp:specifies |
1.00
1.20 1.10 |
| gptkbp:standardizedBy |
gptkb:OPC_Foundation
|
| gptkbp:supports |
data compression
data aggregation client-server architecture data filtering data reporting data annotations data sampling data trending data quality information data retrieval by aggregate type data retrieval by event data retrieval by number of values data retrieval by time range time-stamped data |
| gptkbp:supportsProtocol |
gptkb:COM/DCOM
|
| gptkbp:usedIn |
gptkb:DCS_systems
industrial automation manufacturing process control SCADA systems data historians |
| gptkbp:bfsParent |
gptkb:OPC_Classic
gptkb:OPC_HDA |
| gptkbp:bfsLayer |
7
|