Siemens SIPROTEC 4 7UT6 Series Manual page 473

Differential protection
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Additional Specification L for Further System Interfaces (device rear, port B)
(only if Pos. 11 = 9)
Modbus, optical, 820 nm, ST connector
DNP3.0, RS485
DNP3.0, optical, 820 nm, ST connector
IEC 61850, 100 Mbit Ethernet, double electrical, RJ45 connector
IEC 61850, 100 Mbit Ethernet, optical, duplex LC connector
1)
Not possible with surface mounting housing (position 9 = B). For the surface mounted version, please order
a device with the appropriate electrical RS485 interface and accessories as stated in
and Accessories
under "External Converters"
2)
Cannot be delivered in connection with 9th digit = B.
Function Interface (rear side, port C)
without
DIGSI/Modem/Browser, electrical RS232
DIGSI/Modem/Browser/RTD-box, electrical RS485
DIGSI/Modem/Browser/RTD-box, optical 820 nm, ST connector
Measurement Function
Basic measured values
Basic measured values; transformer monitoring functions (connection to RTD-box/hot-spot, overload factor)
1)
Only in connection with position 12 = 2 or 3
Differential Protection
Differential protection + Basic elements
Differential protection for transformers, generators, motors, busbars
Overload protection acc. to IEC 60354 for 1 winding
Lock out
Time overcurrent protection, phases: Ι>, Ι>>, Ιp (inrush restraint)
Time overcurrent protection 3Ι0: 3Ι0>, 3Ι0>>, 3Ι0p (inrush restraint)
Time overcurrent protection earth: ΙE>, ΙE>>, ΙEp (inrush restraint)
Differential protection + Basic elements + Ancillary functions
Restricted earth fault protection
Definite-time, single-phase, e.g. high-impedance earth fault protection (87G without resistor nor varistor)
tank leakage protection,
Negative squence potection
Breaker Failure Protection
Trip circuit supervision
1)
Varistor and resistor are accessory parts
2)
External RTD-box required
3)
External resistor and varistor required
4)
Only in connection with pos. 16 = 1 or 3
SIPROTEC 4, 7UT6x, Manual
C53000-G1176-C230-5, Edition 09.2016
2)
2)
2)
1)
2)
Ordering Information and Accessories
A.1 Differential Protection 7UT612 for 2 Measuring Locations
A Ordering Information
Pos. 21
Pos. 22
0
E
0
G
0
H
0
R
0
S
Pos. 12
0
1
2
3
Pos. 13
1
3
1)
Pos. 14
A
B
5)
or
473

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