4.2.2.1 General
This Object is used as the browse entry point for information about the Aggregates supported by a Server. The content of this Object is already defined by its type definition. All Instances of the FolderType use the standard BrowseName of ‘AggregateFunctions’. The HasComponent Reference is used to relate a ServerCapabilities Object and/or any HistoryServerCapabilitiesType Object to an AggregateFunction Object. AggregateFunctions is formally defined in Table 3.
| Attribute | Value | |||||
| BrowseName | AggregateFunctions | |||||
| References | Node Class | BrowseName | DataType | TypeDefinition | ModellingRule | |
|---|---|---|---|---|---|---|
| HasTypeDefinition | Object Type | FolderType | Defined in OPC 10000-5 | |||
| Conformance Units | ||||||
|---|---|---|---|---|---|---|
| Historical Access Aggregates |
Each ServerCapabilities and HistoryServerCapabilitiesType Object shall reference an AggregateFunction Object. In addition, each HistoricalConfiguration Object belonging to a HistoricalDataNode may reference an AggregateFunction Object using the HasComponent Reference.