Siemens 7SR12 Argus User Manual

7SR11 & 7SR12 Description Of Operation
Chapter 1 Page 14 of 88 ©2017 Siemens Protection Devices Limited
Table 1-2 7SR12 Ordering Options
Product description
Variants
Order No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Directional O/C
Relay (Argus)
7
S
R
1
2
0
-
A
-
A
0
Directional
overcurrent
and earth fault
protection relay
Protection Product
Overcurrent – Directional
2
Housing I/O and Fascia
1 CT, 3 VT, 3 Binary Inputs / 5 Binary Outputs, 10 LEDs
4
1
C
4 CT, 3 VT, 3 Binary Inputs / 5 Binary Outputs, 10 LEDs
5
4 CT, 3 VT, 6 Binary Inputs / 8 Binary Outputs, 10 LEDs
6
4 CT, 3 VT, 4 Binary Inputs / 8 Binary Outputs, 10 LEDs
7)
8
Measuring Input
1/5 A, 40 to 160 V, 50/60Hz
1)
2
1/5 A, 40 to 160 V, 50/60Hz with SEF Input
2)
4
Auxiliary voltage
PSU Rated: 80-250V DC / 115V AC
6)
. Binary input threshold 19V DC (Rated: 24-250V DC / 115V AC)
G
PSU Rated: 80-250V DC. Binary input thres
hold 88V DC (Rated: 110
-250V DC)
H
PSU Rated: 24
-60V DC. Binary input threshold 19V DC (Rated: 24-250V DC)
J
PSU Rated: 24-250V DC / 100-230V AC. BI threshold 19V DC (Rated: 24-250V DC / 100-120V AC)
M
PSU Rated: 24-250V DC / 100-230V AC. BI threshold 88V DC (Rated: 110-250V DC)
N
Communication Interface
Standard version – included in all models, USB front port, RS485 rear port (E4 Case)
1
2
Standard version – plus additional rear electrical Ethernet RJ45 (x2),
E6 Case
6)
7
7
Standard version – plus additional rear optical Ethernet duplex (x2), E6 Case
6 )
8
7
Protocol
IEC 60870-5-103, Modbus RTU and DNP3 (user selectable)
2
IEC 60870-5-103 Modbus RTU, DNP3 and IEC 61850 (user selectable settings)
7)
7
Relay Cover
Standard Version – No Push Buttons
1
Push Buttons – Down and Right Arrows
2
Protection Function Packages
Standard version
– Included in all models
C
27/59
Under/overvoltage
32
3)
Power
32S
8)
Sensitive Power
37 Undercurrent
46BC
3)
Broken conductor/load unbalance
46NPS
3)
Negative phase sequence overcurrent
47 Negative phase sequence voltage
49
3)
Thermal overl
oad
50AFD
Arc Flash Detection
50BF
3)
Circuit breaker fail
51V
3)
Voltage controlled overcurrent
55
3)
Power Factor
59N Neutral voltage displacement
60CTS
3)
CT supervision
60VTS
3)
VT supervision
64H High Impedance REF
67/50 Directional instantaneous phase fault overcurrent
67/50G 67/50N Directional instantaneous earth fault
67/50SEF
2)
Instantaneous sensitive earth fault
67/51 Directional time delayed phase fault overcurrent
67/51G 67/51N Directional time delayed earth fault
67/51/SEF
2)
Time delayed sensitive earth fault
81HBL2
4)
2nd harmonic block/inrush restraint
74T/CC Trip & Close circuit supervision
51C
3)
Cold load pickup
81U/0 Under/Over Frequency
86 Hand reset contacts
Programmable logic
Standard version – plus
D
79 Autoreclose
Additional Functionality
No Additional Functionality
A
1) 4CT is configured as 3PF + EF
2) 4CT is configured as 3PF + SEF/REF
3) Functions only available in 4CT relay
4) Not available on SEF input
5) AC 115 V supported by devices with hardware version CC or later
6) E4 case is standard, E6 case is required if IEC61850 model ordered
7) 4 Binary Input variant provides segregated Binary Outputs without a common terminal
8) Functions only available in 4CT SEF relay

Siemens 7SR12 Argus Specifications

General

Brand	Siemens
Model	7SR12 Argus
Category	Protection Device
Language	English