24
1MRS755312
Connectivity Packages
User’s Guide
REF 541/543/545
REM 543/545
RET 541/543/545
Freq1St4_1 T2 PTUF 75 Underfrequency protection stage 4,
timer 2
Freq1St4 - PFRC 75 Rate of change of frequency
protection stage 4
Freq1St5 T1 PTOF 76 Overfrequency protection stage 5,
timer 1
Freq1St5 T1 PTUF 76 Underfrequency protection stage 5,
timer 1
Freq1St5_1 T2 PTOF 76 Overfrequency protection stage 5,
timer 2
Freq1St5_1 T2 PTUF 76 Underfrequency protection stage 5,
timer 2
Freq1St5 - PFRC 76 Rate of change of frequency
protection stage 5
FuseFail - RFUF 118 Fuse failure supervision
Inrush3 INR PHAR 34 Three-phase transformer inrush
and motor start-up current detector
MotStart - PMSS 54 Three-phase start-up supervision
for motors, starting time supervision
MotStart - PMRI 54 Three-phase start-up supervision
for motors, restart inhibition
NEF1High EF PTOC 39 Non-directional earth-fault
protection function, high-set stage
NEF1High EF RBRF 39 Circuit breaker failure protection of
non-directional earth-fault
protection function, high-set stage
NEF1Inst EF PTOC 90 Non-directional earth-fault
protection function, instantaneous
stage
NEF1Inst EF RBRF 90 Circuit breaker failure protection of
non-directional earth-fault
protection function, instantaneous
stage
NEF1Low EF PTOC 38 Non-directional earth-fault
protection function, low-set stage
NEF1Low EF RBRF 38 Circuit breaker failure protection of
non-directional earth-fault
protection function, low-set stage
NOC3High PH PTOC 32 Three-phase non-directional
overcurrent function, high-set stage
NOC3High PH RBRF 32 Circuit breaker failure protection of
three-phase non-directional
overcurrent function, high-set stage
NOC3Inst PH PTOC 33 Three-phase non-directional
overcurrent protection function,
instantaneous stage
Table 5.-1 LN prefixes for RED500 (Continued)
Function Block
Name
IEC 61850 Logical Node Name Description
Logical Node Prefix Logical Node Class
Logical Node
Instance
(Channel Number)
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