DIN EN 62541-11
OPC unified architecture - Part 11: Historical Access (IEC 62541-11:2015); English version EN 62541-11:2015
| Organization: | DIN |
| Publication Date: | 1 October 2015 |
| Status: | active |
| Page Count: | 54 |
| ICS Code (IT applications in industry): | 35.240.50 |
| ICS Code (Interface and interconnection equipment): | 35.200 |
scope:
This part of IEC 62541 is part of the overall OPC Unified Architecture standard series and defines the information model associated with Historical Access (HA). It particularly includes additional and complementary descriptions of theNodeClasses and Attributes needed for Historical Access, additional standard Properties, and other information and behaviour.
The complete AddressSpace Model including allNodeClasses and Attributes is specified in IEC 62541-3. The predefined Information Model is defined in IEC 62541-5. The Services to detect and access historical data and events, and description of theExtensibleParameter types are specified in IEC 62541-4.
This standard includes functionality to compute and returnAggregates like minimum, maximum, average etc. TheInformation Model and the concrete working ofAggregates are defined in IEC 62541-13.
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