Siemens 7UT51 Instruction Manual page 130

13
Binary-Signal Inputs, Signal Contacts, Trip Contacts, and LED Indicators
LCD Message
>Buchh. Trip
>Buchh. Tank
Relay Pick
Trip
49 O/L1 TRIP
49 O/L2 TRIP
Back Gen. Flt
BU Tdly 50HS
BU Tdly 50/51
BU Gen.Trip
Ext1 Gen.Flt
Ext1 Gen.TRIP
Ext 2 Gen.Flt
Ext 2 Gen.TRIP
87Diff Pickup
87Diff HS PU
87Diff GenFlt
87DiffGenTrip
87DiffTripPhA
87DiffTripPhB
87DiffTripPhC
87 Trip
87HS Trip
RGF Pick
RGF Gen. Flt
RGF Gen. TRIP
Tank PU
TankGen FAULT
Tank Gen.TRIP
130
Code Event that will activate the trip relay
392 >Tripping stage from Buchholz protection
393 >Tank supervision from Buchholz protection
-
up 501 Relay Pick
511 General trip of the relay
-
1571 49 TRIP by thermal O/L protection 1
-
1621 49 TRIP by thermal O/L protection 2
-
2411 Back
2441 BU 50HS
2442 BU 50/51
2451 BU Overcurrent+G/F: General Trip
4536 External trip 1: General fault detect
4537 External trip 1: General TRIP
4556 External trip 2: General fault detect
4557 External trip 2: General TRIP
-
5621 87 Differential unit picked
-
5622 87 HS Diff prot unit picked
-
5631 87 Diff prot: General fault detection
-
5671 87 Diff protection: General trip
-
5672 87 Diff protection: Trip PhA
-
5673 87 Diff protection: Trip PhB
-
5674 87 Diff protection: Trip PhC
-
5691 87 Diff protection: Trip
5692 87HS
-
up 5816 Restricted ground
5817 Restricted ground
5821 Restricted ground
5916 Transformer tank prot.: Pick
5917 Transformer tank prot: General FAULT detect
5921 Transformer tank prot.: General TRIP
-
up
up O/C+G/F: General fault detected
-
Highest O/C time expired
-
Overcurrent timer expired
-
up
-
up
-
Diff protection: Trip
- -
fault: Pick up
-
fault: General fault detection
-
fault: General TRIP
-
up
7UT51 v3
PRIM-2330C