6.6.2 HistoryData type
Table 47 defines the structure of the HistoryData used for the data to return in a HistoryRead.
Table 47 – HistoryData structure
| Name | Type | Description |
|---|
| HistoryData | Structure | This structured datatype is a subtype of Structure defined in OPC 10000-3 |
|---|
dataValues[] | DataValue | An array of values of history data for the Node. The size of the array depends on the requested data parameters. |
Its representation in the AddressSpace is defined in Table 30.
Table 48 – HistoryData definition
|
Attribute
|
Value
|
| BrowseName | HistoryData |
| IsAbstract | False |
|
References
|
NodeClass
|
BrowseName
|
DataType
|
TypeDefinition
|
Other
|
|---|
| Subtype of the Structure defined in OPC 10000-3 |
|
Conformance Units
|
|---|
| Historical Access Aggregates |
| Historical Access Time Instance |
| Historical Access Read Raw |