Function IEC 61850 Logical device Logical nodes in
Ver.5.0 FP1
Logical nodes in
Ver.5.0 or older
Three-phase directional overcurrent protection, high stage DPHHPDOC LD0 DPHHPTOC
DPHHRDIR
DPHHPTOC
DPHHRDIR
Non-directional earth-fault protection, low stage EFLPTOC LD0 EFLPTOC EFLPTOC
Non-directional earth-fault protection, high stage EFHPTOC LD0 EFHPTOC EFHPTOC
Non-directional earth-fault protection, instantaneous stage EFIPTOC LD0 EFIPTOC EFIPTOC
Directional earth-fault protection, low stage DEFLPDEF LD0 DEFLPTOC
DEFLRDIR
DEFLPTOC
DEFLRDIR
Directional earth-fault protection, low stage FDEFLPDEF LD0
FDEFLPTOC
FDEFLRDIR
FDPHLPTOC
DPHLRDIR
FDPHLRDIR
Directional earth-fault protection, high stage
DEFHPDEF LD0 DEFHPTOC
DEFHRDIR
DEFHPTOC
DEFHRDIR
Admittance-based earth-fault protection EFPADM LD0 EFPADM EFPADM
Wattmetric-based earth-fault protection WPWDE LD0 WRDIR
WPSDE
WMMXU
WRDIR
WPSDE
WMMXU
Transient/intermittent earth-fault protection
INTRPTEF LD0 INTRPTEF INTRPTEF
Harmonics-based earth-fault protection HAEFPTOC LD0 HAEFPTOC
HAEFMHAI
HAEFPTOC
HAEFMHAI
Multifrequency admittance-based earth-fault protection MFADPSDE LD0 MFADPSDE
MFADRDIR
Non-directional (cross-country) earth-fault protection,
using calculated Io
EFHPTOC LD0 EFHPTOC EFHPTOC
Negative-sequence overcurrent protection NSPTOC LD0 NSPTOC NSPTOC
Phase discontinuity protection PDNSPTOC LD0 PDNSPTOC PDNSPTOC
Residual overvoltage protection ROVPTOV LD0 ROVPTOV ROVPTOV
Three-phase undervoltage protection PHPTUV LD0 PHPTUV PHPTUV
Three-phase overvoltage protection PHPTOV LD0 PHPTOV PHPTOV
Positive-sequence undervoltage protection PSPTUV LD0 PSPTUV PSPTUV
Negative-sequence overvoltage protection NSPTOV LD0 NSPTOV NSPTOV
Loss of phase (undercurrent) PHPTUC LD0 PHPTUC
Frequency protection FRPFRQ LD0 FRPTRC
FRPTOF
FRPTUF
FRPFRC
FRPTRC
FRPTOF
FRPTUF
FRPFRC
Three-phase thermal protection for feeders, cables and
distribution transformers
T1PTTR LD0 T1PTTR T1PTTR
Circuit breaker failure protection CCBRBRF LD0 CCBRBRF CCBRBRF
Three-phase inrush detector INRPHAR LD0 INRPHAR INRPHAR
Master trip TRPPTRC LD0 TRPPTRC TRPPTRC
Multipurpose protection MAPGAPC LD0 MAPGAPC MAPGAPC
Load-shedding and restoration LSHDPFRQ LD0 LSHDPTRC
LSHDPTOF
LSHDPTUF
LSHDPFRC
LSHDPTRC
LSHDPTUF
LSHDPFRC
Table continues on next page
Section 7 1MRS757810 C
IEC 61850 communication engineering
108 REC615 and RER615
Engineering Manual