CIM Standard Edition 2 - FDIS ballot started

IEC 61970-301 Ed.2: Energy management system application program interface (EMS-API) - Part 301: Common information model (CIM) base

The FDIS ballot on the second edition just started.

Ballot closes on 2009-03-20

The second edition contains several changes from the first edition:

• First edition Annex A which contained the description of the CIM UML model is now a part of the main body
• A new Annex A was added providing a model of a circuit breaker in the CIM as an example of how the CIM can be used to model network devices
• The naming hierarchy was changed.
• ModelingAuthority and ModelingAuthoritySet classes were added to represent ownership of models.
• A new schedules data model was added to replace the use of the curve model for time series data.
• The measurement value attributes were sub-typed into classes Analog, Discrete and Accumulator.
• The class naming was renamed to IdentifiedObject.
• Many editorial corrections, including several cardinality and attribute changes to resolve issues submitted on the first edition.