Energy management system application program interface (EMS-API). Part 501: Common Information Model Resource Description Framework (CIM RDF) schema (IEC 61970-501:2006)
This International Standard specifies a Component Interface Specification (CIS) for energy management systems application program interfaces. This part of IEC 61970 specifies the format and rules for producing a machine readable form of the Common Information Model (CIM) as specified in the IEC 61970-301 standard. It describes a CIM vocabulary to support the data access facility and associated CIM semantics. This part of IEC 61970 supports a mechanism for applications from independent suppliers to access CIM metadata in a common format and with standard services for the purpose of subsequent CIM data access. Secondary objectives are to provide CIM versioning capabilities and a mechanism that is easily extensible to support site-specific needs. The proposed solution: • is both machine readable and human readable, although primarily intended for programmatic access; • can be accessed using any tool that supports the Document Object Model (DOM) application program interface; • is self-describing; • takes advantage of current web standards. This document is the Level 2 Component Interface Specification document that describes in narrative terms (with text and examples based on the CIM), the detailed definition of the CIM metadata interface to be standardized.
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