Table 41 defines the structure of the HistoryData used for the data to return in a HistoryRead.
Table 41 – 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 42 – HistoryData definition
|
Attribute |
Value |
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|
BrowseName |
HistoryData |
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|
IsAbstract |
False |
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|
References |
NodeClass |
BrowseName |
DataType |
TypeDefinition |
Other |
|
|
Subtype of the Structure defined in OPC 10000-3 |
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|
Conformance Units |
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|
Historical Access Aggregates |
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|
Historical Access Time Instance |
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|
Historical Access Read Raw |
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