Schweitzer Engineering Laboratories SEL-751 - Page 799

F.23
Date Code 20170927 Instruction Manual SEL-751 Relay
IEC 61850 Communications
Logical Nodes
HIZPHIZ2 Str.general OREDHIF2 HIF2_A OR HIF2_B OR HIF2_C
HIZPHIZ2 Str.dirGeneral unknown Direction undefined
I1TPTOV12 Op.general 59I1T Level 1 inverse overvoltage element trip
I1TPTOV12 Str.general 59I1 Level 1 inverse overvoltage element pickup
I1TPTOV12 Str.dirGeneral unknown Direction undefined
I1TPTOV13 Op.general 59I2T Level 2 inverse overvoltage element trip
I1TPTOV13 Str.general 59I2 Level 2 inverse overvoltage element pickup
I1TPTOV13 Str.dirGeneral unknown Direction undefined
I1TPTOV14 Op.general 59I3T Level 3 inverse overvoltage element trip
I1TPTOV14 Str.general 59I3 Level 3 inverse overvoltage element pickup
I1TPTOV14 Str.dirGeneral unknown Direction undefined
I1TPTOV15 Op.general 59I4T Level 4 inverse overvoltage element trip
I1TPTOV15 Str.general 59I4 Level 4 inverse overvoltage element pickup
I1TPTOV15 Str.dirGeneral unknown Direction undefined
I1TPTUV10 Op.general 27I2T Level 2 inverse undervoltage element trip
I1TPTUV10 Str.general 27I2 Level 2 inverse undervoltage element pickup
I1TPTUV10 Str.dirGeneral unknown Direction undefined
I1TPTUV9 Op.general 27I1T Level 1 inverse undervoltage element trip
I1TPTUV9 Str.general 27I1 Level 1 inverse undervoltage element pickup
I1TPTUV9 Str.dirGeneral unknown Direction undefined
LOPPTUV5 Op.general LOP Loss of potential
LOPPTUV5 Str.general LOP Loss of potential
LOPPTUV5 Str.dirGeneral unknown Direction undefined
LZFRDIR1 Dir.general LZFWD Zero-sequence voltage polarized forward direction detected low
impedance control S
LZFRDIR1 Dir.dirGeneral LZFWD?0:1 Zero-sequence voltage polarized forward direction detected low
impedance control S, direction (LZFWD = false, direction unknown;
LZFWD = true, direction forward)
LZRRDIR1 Dir.general LZREV Zero-sequence voltage polarized reverse direction detected low
impedance control S
LZRRDIR1 Dir.dirGeneral LZREV?0:2 Zero-sequence voltage polarized reverse direction detected low
impedance control S, direction (LZREV = false, direction unknown;
LZREV = true, direction reverse)
N1TPIOC5 Op.general 50N1T Level 1 neutral ground instantaneous overcurrent element trip
N1TPIOC5 Str.general 50N1P Level 1 neutral ground instantaneous overcurrent element pickup
N1TPIOC5 Str.dirGeneral unknown Direction undefined
Table F.20 Logical Device: PRO (Protection) (Sheet 5 of 13)
Logical Node Attribute Data Source Comment