Siemens 7UT51

7UT51 v3
Binary-Signal Inputs, Signal Contacts, Trip Contacts, and LED Indicators
13
PRIM-2330C 129
13.5 Trip (Command) Contacts
The relay sends trip signals to circuit breakers by
closing trip (command) contact relays, each of which
can be activated by up to twenty trip functions,
including two external trip functions. The 7UT512 relay
has two trip contacts and the 7UT513 relay has five
trip contacts. The differential current trip commands
are preassigned to all of the trip contacts.
LED 5 141
143
144
145
151
152
24V Failure
15V Failure
5V Failure
Offset Fail
I/O 1 Failure
i/O 2 Failure
Relay failure
LED 6 95 SetChg in Prog Setting change in progress
LED 7 5821 RGF Gen Trip Restricted ground
-
fault: General Trip
LED 8 5921 Tank Gen. Trip Transformer tank prot.: General TRIP
LED 9 1571 49 O/L 1 Trip 49
-
Trip by thermal O/L protection 1
LED 10 1621 49 O/L 2 Trip 49
-
Trip by thermal O/L protection 2
LED 11 391 >Buchh. Warn Buchholz warning
LED 12 392 >Buchh. Trip Buchholz trip
LED 13 11 >UsrDefEvent3 User Defined Event #1
LED 14 5711
5712
1576
1626
2457
5828
5829
5830
5831
5834
5928
Err 2 CT star
Err no CTStar
49O/L1 ErrS3
49O/L2ErrS3
BU Error W3
RGF Err S3
RGFErr2CTsta
RGFErr0CTsta
RGF ErrVirObj
RGF no exist
Tank Err S3
Diff prot err:2 starpt CT for Wnd 1
Diff prot err:No strpt CT connctd
49
-
Therm O/L prot.1 err:No side3
49
-
Therm O/L prot.2 err:No side3
Backup O/C err: Wnd 3 No exist
Restricted gnd fualt err: No Side 3
Restricted gnd flt err: 2 starpt CT
Restricted gnd flt err: No starptCT
RGF Error: Use only virtual obj.
Restricted gnd fault err: Non
-
exist
Transfrmr tank prot. err: Nonexist
LED Code Function(s) Description
6401 TRIP CONTACT 1
6402 TRIP CONTACT 2
6403 TRIP CONTACT 3 (7UT513 only)
6404 TRIP CONTACT 4 (7UT513 only)
6405 TRIP CONTACT 5 (7UT513 only)
Each Address holds up to twenty functions, any one of which will activate the corresponding trip relay. For a
function to trip the relay, it must be both assigned to a trip contact AND the protection function must be enabled
and active. Each has the same seven default functions: 1571, 1621, 2451, 5691, 5692, 5821, and 5921.
LCD Message Code Event that will activate the trip relay
not allocated 1 No function assigned
>UsrDefEvent1
>UsrDefEvent2
>UsrDefEvent3
>UsrDefEvent4
11
12
13
14
>User defined event 1
>User defined event 2
>User defined event 3
>User defined event 4