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Logical Device (LD)
Logical Node (LN)
Data Object(s) (DO)
Data Attribute(s) (DA)
Any interaction with an IED (Server) requires a reference to the data in the IED. Such a reference on the other hand is nothing else than the path through the different layers of a data model like so:
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The data model is the foundation for all services defined in the IEC 61850. It is therefore the basis for any IEC 61850 type comminication. |
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