F.24
SEL-751 Relay Instruction Manual Date Code 20170927
IEC 61850 Communications
Logical Nodes
N1TPTOC15 Op.general 51N1T Level 1 neutral ground time-overcurrent element trip
N1TPTOC15 Str.general 51N1P Level 1 neutral ground time-overcurrent element pickup
N1TPTOC15 Str.dirGeneral unknown Direction undefined
N2TPIOC6 Op.general 50N2T Level 2 neutral ground instantaneous overcurrent element trip
N2TPIOC6 Str.general 50N2P Level 2 neutral ground instantaneous overcurrent element pickup
N2TPIOC6 Str.dirGeneral unknown Direction undefined
N2TPTOC16 Op.general 51N2T Level 2 neutral ground time-overcurrent element trip
N2TPTOC16 Str.general 51N2P Level 2 neutral ground time-overcurrent element pickup
N2TPTOC16 Str.dirGeneral unknown Direction undefined
N3TPIOC7 Op.general 50N3T Level 3 neutral ground instantaneous overcurrent element trip
N3TPIOC7 Str.general 50N3P Level 3 neutral ground instantaneous overcurrent element pickup
N3TPIOC7 Str.dirGeneral unknown Direction undefined
N4TPIOC8 Op.general 50N4T Level 4 neutral ground instantaneous overcurrent element trip
N4TPIOC8 Str.general 50N4P Level 4 neutral ground instantaneous overcurrent element pickup
N4TPIOC8 Str.dirGeneral unknown Direction undefined
NAFPIOC18 Op.general 50NAF Sample based neutral overcurrent element
NAFPIOC18 Str.general 50NAF Sample based neutral overcurrent element
NAFPIOC18 Str.dirGeneral unknown Direction undefined
P1TPIOC1 Op.general 50P1T Level 1 phase instantaneous overcurrent element trip
P1TPIOC1 Str.general 50P1P Level 1 phase instantaneous overcurrent element pickup
P1TPIOC1 Str.dirGeneral unknown Direction undefined
P1TPTOC13 Op.general 51P1T Level 1 maximum phase time-overcurrent element trip
P1TPTOC13 Str.general 51P1P Level 1 maximum phase time-overcurrent element pickup
P1TPTOC13 Str.dirGeneral unknown Direction unknown due to settings
P1TPTOV1 Op.general 59P1T Level 1 phase overvoltage element trip
P1TPTOV1 Str.general 59P1 Level 1 phase overvoltage element pickup
P1TPTOV1 Str.dirGeneral unknown Direction undefined
P1TPTUV1 Op.general 27P1T Level 1 phase undervoltage element trip
P1TPTUV1 Str.general 27P1 Level 1 phase undervoltage element pickup
P1TPTUV1 Str.dirGeneral unknown Direction undefined
P2TPIOC2 Op.general 50P2T Level 2 phase instantaneous overcurrent element trip
P2TPIOC2 Str.general 50P2P Level 2 phase instantaneous overcurrent element pickup
P2TPIOC2 Str.dirGeneral unknown Direction undefined
Table F.20 Logical Device: PRO (Protection) (Sheet 6 of 13)
Logical Node Attribute Data Source Comment
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