Siemens 7SR210 Argus Manual page 15

Ordering Information – 7SR220 Directional Overcurrent Relay
Product description
Directional O/C Relay
Multi function overcurrent
and earth fault protection
relay
) 5CT is configured as 3PF + EF + SEF/REF (user selectable setting).
1
) For ESI48-4 compliance of binary inputs external resistors are required.
2
Siemens Protection Devices Limited
Variants
Protection Product
Overcurrent – Directional
Case I/O and Fascia
1)
E6 case, 5 CT, 4 VT, 3 Binary Inputs / 6 Binary Outputs, 8 LEDs
E8 case, 5 CT, 4 VT, 13 Binary Inputs / 14 Binary Outputs, 16 LEDs
E8 case, 5 CT, 4 VT, 13 Binary Inputs / 14 Binary Outputs, 8 LEDs + 6 Keys
Measuring Input
1/5 A, 63.5/110V, 50/60Hz
Auxiliary voltage
30 to 220V DC, binary input threshold 19V DC
30 to 220V DC, binary input threshold 88V DC
Communication Interface
Standard version – included in all models, USB front port, RS485 rear port
Standard version – plus additional rear F/O ST connectors (x2) and IRIG-B
Standard version – plus additional rear 1x RS485 and IRIG-B
Standard version – plus additional rear 1x RS232 and IRIG-B
Protocol
IEC 60870-5-103 and Modbus RTU (user selectable setting)
IEC 60870-5-103, Modbus RTU and DNP3.0 (user selectable setting)
Protection Function Packages
Standard version – Included in all models
27/59 Under/overvoltage
37 Undercurrent
37G Ground Undercurrent
37SEF SEF Undercurrent
46BC Broken conductor/load unbalance
46NPS Negative phase sequence overcurrent
47 Negative phase sequence voltage
49 Thermal overload
50BF Circuit breaker fail
51V Voltage controlled overcurrent
59N Neutral voltage displacement
60CTS CT supervision
60CTS-I CT Supervision
60VTS VT supervision
64H High Impedance REF
67/50 Directional instantaneous phase fault overcurrent
67/50G 67/50N Directional instantaneous earth fault
67/51 Directional time delayed phase fault overcurrent
67/51G 67/51N Directional time delayed earth fault/SEF
74TC Trip circuit supervision
81 Under/over frequency
81HBL2 2 harmonic block/inrush restraint
nd
Cold load pickup
Programmable logic
Standard version – plus
79 Autoreclose
Additional Functionality
No Additional Functionality
Order No.
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7 S R 2 2 0 - 2
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2
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2
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A
B
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A - 0 A
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C
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1
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2
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4
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1
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2
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C
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D
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A
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