IEC 61850 기술자료 OVERVIEW 4

Logical Nodes A named grouping of data and associated services that is logically related to some power system function Logical Node ExampleIEC61850-7-4 Logical NodesData Objects Represent data within a logical node - voltage, current, relay settings. etc. Aggregate attributes of defined types - measurements, status, controls, configuration, etc.

Have independent access control Have standardized names, types Data In Logical NodesSingle Point Status (SPS) CDCSample CaptureDataset Comprised of references to data objects, accessed with a single name May be predefined or dynamic ..........