Siemens 7SR10 Argus Series Manual page 13

Product Description
7SR10 Argus
Directional Overcurrent Relay (Argus)
Case, I/O and Fascia
Size 4 Moulded case, 4CT, 3 VT, 9 Binary Inputs/6 Binary Outputs,
10 LEDs
Measuring input
1A/5A, 50Hz/60Hz, 63.5/110V
1A/5A, 50Hz/60Hz with SEF input, 63.5/110V
Auxiliary voltage
AC/DC 60-240V, Binary input threshold 44V AC/DC
AC/DC 60-240V, Binary input threshold 88V AC/DC
DC 24-60V, Binary input threshold 19V DC
Protective Cover
Standard version – No Cover
Plastic Cover with 1 Push Button for Test/Reset
Communication
Front Port : USB and Rear Port : RS-485 supporting IEC 60870-5-103
or Modbus RTU or DNP 3.0
Front Fascia
Standard Version – with Breaker Control Push Buttons
Protection Function Packages
Standard version - included in all models
27/59 Under/overvoltage
32 Power
32S Sensitive Power
37 Undercurrent
1)
Undercurrent measured earth fault
37G
2)
Undercurrent sensitive earth fault
37SEF
46BC Broken conductor/Load Unbalance
46NPS Negative phase sequence overcurrent
47NPS Negative phase sequence overvoltage
49 Thermal overload
50BF Circuit breaker fail
51V Voltage dependent overcurrent
55 Power Factor
59N Neutral voltage displacement
60CTS CT supervision
60VTS VT supervision
64H High impedance REF
67/50 Directional instantaneous phase fault overcurrent
1)
67/50N Directional instantaneous earth fault
67/50G
2)
Instantaneous sensitive earth fault
67/50SEF
67/51 Directional time delayed phase fault overcurrent
1)
67/51N Directional time delayed earth fault
67/51G
2)
Directional time delayed sensitive earth fault
67/51SEF
3)
2
81HBL2
74T/CC Trip & close circuit supervision
51C Cold load pickup/Programmable Logic
81U/O Under/Over Frequency
86 Hand reset contacts
Standard version – plus
79 Autoreclose
Additional Functionality
No Additional Functionality
1)
4CT is configured as 3PF + EF
2)
4CT is configured as 3PF + SEF
3)
Not available on SEF input
©2018 Siemens Protection Devices Limited
Variants
1)
nd
Harmonic block/Inrush restraint
Order No.
1 2 3 4
7 S R 1 0 0
2)
7SR10 Description of Operation
5 6 7 - 8 9 10 11 12 - 13 14 15 16
-
4
3
4
L
K
J
A
B
2
Chapter 1 Page 10 of 77
0 - A 0
2
C
D
A