FDIS of IEC 61850-7-3 Edition 2 out for final Ballot

IEC Central Office has published the FDIS of IEC 61850-7-3 Edition 2 (57/1087/FDIS). The ballot closes 2010-10-29.

The second edition comprises 39 Common Data Classes (CDC):

• defines new common data classes used for new standards defining object models for other domains based on IEC 61850 and for the representation of statistical and historical data,
• provides clarifications and corrections to the first edition of IEC 61850-7-3.

Common data class specifications for status information

1. Single point status (SPS)
   Double point status (DPS)
   Integer status (INS)
2. Enumerated status (ENS) - NEW
3. Protection activation information (ACT)
4. Directional protection activation information (ACD)
5. Security violation counting (SEC)
6. Binary counter reading (BCR)
7. Histogram (HST) - NEW
8. Visible string status (VSS) - NEW

Common data class specifications for measurand information

1. Measured value (MV)
2. Complex measured value (CMV)
3. Sampled value (SAV)
4. Phase to ground/neutral related measured values of a three-phase system (WYE)
5. Phase to phase related measured values of a three-phase system (DEL)
6. Sequence (SEQ)
7. Harmonic value (HMV)
8. Harmonic value for WYE (HWYE)
9. Harmonic value for DEL (HDEL)

Common data class specifications for controls

1. Controllable single point (SPC)
2. Controllable double point (DPC)
3. Controllable integer status (INC)
4. Controllable enumerated status (ENC) - NEW
5. Binary controlled step position information (BSC)
6. Integer controlled step position information (ISC)
7. Controllable analogue process value (APC)
8. Binary controlled analog process value (BAC) - NEW

Common data class specifications for status settings

1. Single point setting (SPG)
2. Integer status setting (ING)
3. Enumerated status setting (ENG) - NEW
4. Object reference setting (ORG) - NEW
5. Time setting group (TSG) - NEW
6. Currency setting group (CUG) - NEW
7. Visible string setting (VSG)- NEW

Common data class specifications for analogue settings

1. Analogue setting (ASG)
2. Setting curve (CURVE)
3. Curve shape setting (CSG) - NEW

Common data class specifications for description information

1. Device name plate (DPL)
2. Logical node name plate (LPL)
3. Curve shape description (CSD)