Schweitzer Engineering Laboratories SEL-751 - Page 805

F.29
Date Code 20170927 Instruction Manual SEL-751 Relay
IEC 61850 Communications
Logical Nodes
QFPIOC19 Op.general 50QF Negative-sequence forward direction decision supervision
QFPIOC19 Str.general 50QF Negative-sequence forward direction decision supervision
QFPIOC19 Str.dirGeneral unknown Direction undefined
QFRDIR1 Dir.general DIRQF Forward directional control routed to negative sequence overcurrent
elements
QFRDIR1 Dir.dirGeneral DIRQF?0:1 Forward directional control routed to negative sequence overcurrent
elements, direction (DIRQF = false, direction unknown;
DIRQF = true, direction forward)
QRPIOC20 Op.general 50QR Negative-sequence reverse direction decision supervision
QRPIOC20 Str.general 50QR Negative-sequence reverse direction decision supervision
QRPIOC20 Str.dirGeneral unknown Direction undefined
QRRDIR1 Dir.general DIRQR Reverse directional control routed to negative-sequence overcurrent
elements
QRRDIR1 Dir.dirGeneral DIRQR?0:2 Reverse directional control routed to negative-sequence overcurrent
elements, direction (DIRQR = false, direction unknown;
DIRQR = true, direction reverse
QTPTOC19 Op.general 51QT Negative-sequence time-overcurrent element trip
QTPTOC19 Str.general 51QP Negative-sequence time-overcurrent element pickup
QTPTOC19 Str.dirGeneral unknown Direction unknown due to settings
R1TPFRC1 Op.general 81R1T Level 1 rate-of-change-of-frequency element trip
R1TPFRC1 Str.general 81R1T Level 1 rate-of-change-of-frequency element trip
R1TPFRC1 Str.dirGeneral unknown Direction undefined
R2TPFRC2 Op.general 81R2T Level 2 rate-of-change-of-frequency element trip
R2TPFRC2 Str.general 81R2T Level 2 rate-of-change-of-frequency element trip
R2TPFRC2 Str.dirGeneral unknown Direction undefined
R3TPFRC3 Op.general 81R3T Level 3 rate-of-change-of-frequency element trip
R3TPFRC3 Str.general 81R3T Level 3 rate-of-change-of-frequency element trip
R3TPFRC3 Str.dirGeneral unknown Direction undefined
R4TPFRC4 Op.general 81R4T Level 4 rate-of-change-of-frequency element trip
R4TPFRC4 Str.general 81R4T Level 4 rate-of-change-of-frequency element trip
R4TPFRC4 Str.dirGeneral unknown Direction undefined
S1TPTOV6 Op.general 59S1T Level 1 VS channel overvoltage element with time delay
S1TPTOV6 Str.general 59S1 Level 1 VS channel overvoltage element pickup
S1TPTOV6 Str.dirGeneral unknown Direction undefined
S1TPTUV7 Op.general 27S1T Level 1 VS channel undervoltage element with time delay
S1TPTUV7 Str.general 27S1 Level 1 VS channel undervoltage element pickup
S1TPTUV7 Str.dirGeneral unknown Direction undefined
Table F.20 Logical Device: PRO (Protection) (Sheet 11 of 13)
Logical Node Attribute Data Source Comment