61850-7-4 © IEC:2010(E) – 3 –
5.7
Logical nodes for generic references LN Group: G ...............................................41
5.7.1 Modelling remarks .....................................................................................41
5.7.2 LN: Generic automatic process control Name: GAPC ...............................41
5.7.3 LN: Generic process I/O Name: GGIO......................................................42
5.7.4 LN: Generic log Name: GLOG ..................................................................42
5.7.5 LN: Generic security application Name: GSAL ..........................................43
5.8 Logical nodes for interfacing and archiving LN Group: I ........................................43
5.8.1 Modelling remarks .....................................................................................43
5.8.2 LN: Archiving Name: IARC .......................................................................43
5.8.3 LN: Human machine interface Name: IHMI...............................................44
5.8.4 LN: Safety alarm function Name: ISAF .....................................................44
5.8.5 LN: Telecontrol interface Name: ITCI .......................................................45
5.8.6 LN: Telemonitoring interface Name: ITMI .................................................45
5.8.7 LN: Teleprotection communication interfaces Name: ITPC .......................45
5.9 Logical nodes for mechanical and non-electric primary equipment LN group
K ...........................................................................................................................
46
5.9.1 Modelling remarks .....................................................................................46
5.9.2 LN: Fan Name: KFAN ..............................................................................47
5.9.3 LN: Filter Name: KFIL ..............................................................................47
5.9.4 LN: Pump Name: KPMP...........................................................................48
5.9.5 LN: Tank Name: KTNK.............................................................................48
5.9.6 LN: Valve control Name: KVLV.................................................................49
5.10 Logical nodes for metering and measurement LN Group: M..................................50
5.10.1 Modelling remarks ...................................................................................50
5.10.2 LN: Environmental information Name: MENV .........................................50
5.10.3 LN: Flicker measurement name Name: MFLK ........................................51
5.10.4 LN: Harmonics or interharmonics Name: MHAI ......................................52
5.10.5 LN: Non-phase-related harmonics or interharmonics Name: MHAN ........53
5.10.6 LN: Hydrological information Name: MHYD ............................................55
5.10.7 LN: DC measurement Name: MMDC......................................................55
5.10.8 LN: Meteorological information Name: MMET.........................................55
5.10.9 LN: Metering Name: MMTN....................................................................56
5.10.10 LN: Metering Name: MMTR....................................................................57
5.10.11 LN: Non-phase-related measurement Name: MMXN ..............................57
5.10.12 LN: Measurement Name: MMXU............................................................57
5.10.13 LN: Sequence and imbalance Name: MSQI............................................59
5.10.14 LN: Metering statistics Name: MSTA......................................................60
5.11 Logical nodes for protection functions LN Group: P ..............................................60
5.11.1 Modelling remarks ...................................................................................60
5.11.2 LN: Differential Name: PDIF...................................................................61
5.11.3 LN: Direction comparison Name: PDIR ..................................................62
5.11.4 LN: Distance Name: PDIS......................................................................63
5.11.5 LN: Directional overpower Name: PDOP ................................................63
5.11.6 LN: Directional underpower Name: PDUP ..............................................64
5.11.7 LN: Rate of change of frequency Name: PFRC.......................................64
5.11.8 LN: Harmonic restraint Name: PHAR ..................................................... 65
5.11.9 LN: Ground detector Name: PHIZ ..........................................................65
5.11.10 LN: Instantaneous overcurrent Name: PIOC...........................................66
5.11.11 LN: Motor restart inhibition Name: PMRI ................................................66
5.11.12 LN: Motor starting time supervision Name: PMSS ..................................67
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