Siemens 7SR12 Argus User Manual

7SR11 & 7SR12 Description Of Operation
©2017 Siemens Protection Devices Limited Chapter 1 Page 9 of 88
Table 1-1 7SR11 Ordering Options
Product description
Variants
Order No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Nondirectional O/C Relay (Argus)
7
S
R
1
1
0
□
-
□
□
A
□
□
-
□
□
A
0
Overcurrent and earth fault
Protection relay
Protection Product
Overcurrent –
Non Directional
1
Housing I/O and Fascia
1 CT, 3 Binary Inputs / 5 Binary Outputs, 10 LEDs
1
1
C
4 CT, 3 Binary Inputs / 5 Binary Outputs, 10 LEDs
2
A/C/D
4 CT, 6 Binary Inputs / 8 Binary Outputs, 10 LEDs
3
C/D
4 CT, 4 Binary Inputs / 8 Binary Outputs, 10 LEDs
8)
7
C/D
Measuring Input
1/5 A, 50/60Hz
1)
1
A/C/D
1/5 A, 50/60Hz with SEF Input
2)
3
C/D
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 threshold 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
7)
7
7
C/D
Standard version
– plus additional rear optical Ethernet duplex (x2), E6 Case
7 )
8
7
C/D
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
Basic version
5)
A
46BC
3)
Broken conductor/load unbalance
50
3)
Instantaneous phase fault overcurrent
50BF
3)
Circuit breaker fail
50G/50N
Instantaneous earth fault
51
3)
Time delayed phase fault overcurrent
51G/51N Time delayed earth fault
60CTS
3)
CT Supervision
64H High impedance REF
74T&C Trip & Close circuit supervision
86
Hand reset contacts
Standard version
C
37 Undercurrent
46BC
3)
Broken conductor/load unbalance
46NPS
3)
Negative phase sequence overcurrent
49
3)
Thermal overload
50
3)
Instantaneous phase fault overcurrent
50AFD Arc Flash Detection
50BF
3)
Circuit breaker fail
50G/50N Instantaneous earth fault
50SEF
2)
Instantaneous sensitive earth fault
51
3)
Time delayed phase fault overcurrent
51G/51N Time delayed earth fault
51SEF
2)
Time delayed sensitive earth fault
60CT
3)
CT Supervision
64H High Impedance REF
74T/CC Trip and Close circuit supervision
81HBL2
4)
2
nd
harmonic block/inrush restraint
51C
3)
Cold load pickup
86 Hand reset contacts
Programmable logic
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Siemens 7SR12 Argus Specifications

General

Brand	Siemens
Model	7SR12 Argus
Category	Protection Device
Language	English