Siemens SIPROTEC 7SJ80 User Manual

Addr. Parameter Setting Options Default Setting Comments
5410 81-3 PICKUP 50.00 .. 70.00 Hz 57.50 Hz 81-3 Pickup
5411 81-3 DELAY 0.00 .. 100.00 sec; ∞ 3.00 sec 81-3 Time delay
5412 81-4 PICKUP 40.00 .. 60.00 Hz 51.00 Hz 81-4 Pickup
5413 81-4 PICKUP 50.00 .. 70.00 Hz 61.00 Hz 81-4 Pickup
5414 81-4 DELAY 0.00 .. 100.00 sec; ∞ 30.00 sec 81-4 Time delay
5415A DO differential 0.02 .. 1.00 Hz 0.02 Hz Dropout differential
5421 FCT 81-1 O/U OFF
ON f>
ON f<
OFF 81-1 Over/Under Frequency
Protection
5422 FCT 81-2 O/U OFF
ON f>
ON f<
OFF 81-2 Over/Under Frequency
Protection
5423 FCT 81-3 O/U OFF
ON f>
ON f<
OFF 81-3 Over/Under Frequency
Protection
5424 FCT 81-4 O/U OFF
ON f>
ON f<
OFF 81-4 Over/Under Frequency
Protection
Information List
No.
Information Type of
Informa-
tion
Comments
5203 >BLOCK 81O/U SP >BLOCK 81O/U
5206 >BLOCK 81-1 SP >BLOCK 81-1
5207 >BLOCK 81-2 SP >BLOCK 81-2
5208 >BLOCK 81-3 SP >BLOCK 81-3
5209 >BLOCK 81-4 SP >BLOCK 81-4
5211 81 OFF OUT 81 OFF
5212 81 BLOCKED OUT 81 BLOCKED
5213 81 ACTIVE OUT 81 ACTIVE
5214 81 Under V Blk OUT 81 Under Voltage Block
5232 81-1 picked up OUT 81-1 picked up
5233 81-2 picked up OUT 81-2 picked up
5234 81-3 picked up OUT 81-3 picked up
5235 81-4 picked up OUT 81-4 picked up
5236 81-1 TRIP OUT 81-1 TRIP
5237 81-2 TRIP OUT 81-2 TRIP
5238 81-3 TRIP OUT 81-3 TRIP
5239 81-4 TRIP OUT 81-4 TRIP
2.8.4
Functions
2.8 Frequency Protection 81 O/U
SIPROTEC 4, 7SJ80, Manual 141
E50417-G1140-C343-A8, Edition 12.2017

Siemens SIPROTEC 7SJ80 Specifications

General

Rated Frequency	50/60 Hz
Rated Current	1 A / 5 A
Operating Temperature	-25°C to +55°C
Storage Temperature	-40°C to +70°C
Current Transformer Inputs	4
Application	Protection of feeders, motors, transformers, and generators
Rated Voltage	100-240 V AC/DC
Communication Protocols	IEC 61850, Modbus, DNP3, IEC 60870-5-103
Display	Graphical LCD
Mounting	Flush mounting
Protection Functions	Overcurrent, Earth fault
Communication Interfaces	Ethernet, RS485
Housing	Plastic
Weight	Approx. 1.5 kg