Table 1.4-1 7Sr18 Ordering Options - Siemens 7SR18 Solkor Manual

Table 1.4-1 7SR18 Ordering Options
Protection Product Family
Differential Protection
Case size
2)
E6
I/O and Fascia
3 Binary Inputs, 5 Binary Outputs, 18 LEDs
3 Binary Inputs, 5 Binary Outputs, 10 LEDs + (6 keys each with LED)
6 Binary Inputs, 8 Binary Outputs, 18 LEDs
6 Binary Inputs, 8 Binary Outputs, 10 LEDs + (6 keys each with LED)
Measuring input
4 CTs (1 A or 5 A)
4 CTs (1 A or 5 A), 3 VTs (40 V to 160 V)
Auxiliary voltage
24 V DC to 250 V DC, 100 V AC to 230 V AC, binary input threshold 19 V DC
24 V DC to 250 V DC, 100 V AC to 230 V AC, binary input threshold 88 V DC
Protection Signalling Channel
Optical fibre link (820 nm) (ST connection) 2 km
Optical fibre link (1300 nm) (LC connection) 40 km
Data Communication Interface
USB front port, RS485 (Terminal block) rear port
USB front port, RS485 (Terminal block) rear port, Electrical Ethernet RJ45 (x2) rear port
USB front port, RS485 (Terminal block) rear port, Optical Ethernet Duplex (x2) rear port
Protocol
IEC 60870-5-103 and Modbus RTU and DNP 3.0 (user selectable)
IEC 60870-5-103 and Modbus RTU and DNP 3.0 (user selectable) and IEC61850
Spare
Protection Function Packages
Standard version
87L 3-Phase differential (with variable settings)
87HS 3-Phase Differential High Set
85 Inter-Trip
50 Instantaneous phase fault overcurrent
50G/50N Instantaneous earth fault
51 Time delayed phase fault overcurrent
51G/51N Time delayed earth fault
50LC Line Check
37 Undercurrent
46NPS Negative phase sequence overcurrent
49 Thermal overload
50BF Circuit breaker fail
46BC Broken conductor/load unbalance
60CTS-I CT Supervision
74T&C Trip & Close circuit supervision
51c Cold load pickup
81HBL2 Inrush Detector
Programmable Logic
For variants with 3 x VT inputs as above plus
51V Voltage Controlled Overcurrent
60CTS CT Supervision
60 VTS VT supervision
67/50, 67/51 Directional Overcurrent
67 G/N Directional Earth Fault
Version C - plus
79 Autoreclose
Additional Functionality
No additional functionality
Spare
1)
Refer to Technical Manual
2)
Standard Version Cover - No Push Buttons
Unrestricted ©2018 Siemens Protection Devices Limited
7
1)
1)
7SR18 Description Of Operation
S R 1 8 1 -
8
1
1
2
3
4
1
2
- 0 A
C
C
C
M
N
B 1
C
1 2
7 7
8 7
2
7
0
C
D
A
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0
0