Protection Interfaces And Connections - Siemens SIPROTEC 7SD80 Manual

4.2

Protection Interfaces and Connections

Differential Protection
Number of devices for one protected object
(=number of ends delimited by the current transformer)
Protection Interfaces
Connection optical fiber
Connection electrical
Connection modules for protection data interface, depending on the order variant:
Optical protection data interface:
Maximum distance monomode fiber
Maximum distance multimode fiber
Protocol
Connector type
Maximum baudrate
Transmission rate
Receiver sensitivity (maximum)
Optical wavelength
Optical budget
Laser Class 1 according to EN 60825-1/-2
Range
1)
When using multimode fiber, a monomode patch cable is used on the sending side; a multimode patch cable
is used on the receiving side (mode conditioning patch cable).
SIPROTEC, 7SD80, Manual
E50417-G1140-C474-A1, Release date 09.2011
Port „A"
Voltage terminal „D1" and "D2"
14.91 miles
1)
2.49 miles
Full duplex
Duplex LC connector, SFF (IEC 61754-20 standard)
512 kbit/s
min. -15 dBm
max. -8 dBm
-31 dBm
avg
1310 nm
16.0 dB
Using monomode fiber 9 µm/125 µm
You should assume a path attenuation of 0.5 dB/km (0.8 dB/miles)
for monomode and multimode fiber. For multimode fiber you must
additionally take the product of the bandwidth lengths into consider-
ation.
4.2 Protection Interfaces and Connections
2
avg
avg
Technical Data
293