Siemens SIPROTEC 4 7SD80

Interference suppression capacitor at the
relay outputs 2.2 nF, 250 V, ceramic
Frequency Impedance
50 Hz
1.4· 10
6
Ω ± 20 %
60 Hz
1.2· 10
6
Ω ± 20 %
Communication Interfaces
Protection Data Interfaces
See Section 4.2 “Protection Data Interfaces”
Operator Interface
Terminal Front side, non-isolated, USB type B socket for connecting a
personal computer
Operation from DIGSI V4.82 via USB 2.0 full speed
Operation with DIGSI
Transmission speed up to 12 MBit/s max.
Bridgeable distance 5 m
Port B
IEC 60870-5-103 single
RS232/RS485/FO depending on the order
variant
Isolated interface for data transfer to a control center
RS232
Terminal Back case bottom, mounting location "B", 9- pin DSUB socket
Test voltage (PELV) 500 V; 50 Hz
Transmission speed min. 1,200 Bd, max. 115,000 Bd;
factory setting 9,600 Bd
Bridgeable distance 15 m
RS485
Terminal Back case bottom, mounting location "B", 9- pin DSUB socket
Test voltage (PELV) 500 V; 50 Hz
Transmission speed min. 1,200 Bd, max. 115,000 Bd;
factory setting 9,600 Bd
Bridgeable distance max. 1 km
Fiber optic cable (FO)
FO connector type ST connector
Terminal Back case bottom, mounting location "B"
Optical wavelength λ = 820 nm
Laser Class 1 according to EN 60825-1/-2 When using glass fiber 50 μm/125 μm or glass fiber 62.5 μm/125
μm
Permissible optical signal attenuation max. 8 dB, with glass fiber 62.5/125 μm
Bridgeable distance max. 1.5 km
Character idle state Configurable; factory setting “Light off”
4.1.4
Technical Data
4.1 General Device Data
252 SIPROTEC 4, 7SD80, Manual
E50417-G1100-C474-A2, Edition 02.2018