Reference
Historical data
Reference
Historical data
- Concept
- Historical data
| Type | Description |
|---|---|
| IOpc | |
| IOpc | |
| OpcAggregateType | Specifies an aggregate function of the OPC UA namespace, whose identifier GetTypeId provides. |
| OpcClient | Provides session based methods to access OPC UA server services. |
| OpcEvent | Represents a snapshot of a 'Opc. |
| OpcEventFilter | Represents the filter of a monitored item for events, as defined by the EventFilter of OPC UA: the select clauses define the fields to report of each event and the where clause defines the events to report. |
| OpcHistoryValue | Represents a value of the history of a node. |
| Opc | Represents a value of the modified history of a node together with the information about its modification. |
| OpcNodeId | Defines an identifier for a node in the address space of an OPC UA Server. |
| OpcStatus | Provides information about the outcome of an operation. |
| Opc | Representes a collection of OpcStatus instances. |
| OpcValue | Stores a value optionally associated with status and timestamp information. |

