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6.2
Interfaces
Protection/Terminal Device
Optical Fiber (Fiber-Optic Interface; FO5; USART-AD-1FO; USART-AE-2FO)
Optical fiber connector type
Optical wavelength
Laser class 1 according to EN 60825‑1/‑2
Permissible path attenuation
Bridgeable distance
Transmission Line via the Pilot Wire (Line)
Line
Connection
Bridgeable distance
Transmission rates
Cable
Cable attenuation
Insulation Stability
Accessories, Communication Converter - Copper/Synchronous Interface, Manual
C53000-B1174-C190-1, Edition 01.2022
ST connector for multimode
λ = 820 nm
Using fiberglass 62.5 μm/125 μm
Max. 8 dB, with fiberglass 62.5 μm/125 μm
Max. 1.5 km
2-phase screw terminal, shielded and isolated
Max. 12.1 km (AWG 19), max. 8 km (AWG 22), max.
4.4 km (AWG 26)
128 kBit/s; 256 kBit/s; 512 kBit/s; 2048 kBit/s
Shielded copper cable
Recommended:
Twisted and shielded wire pair
Max. loop impedance 1.4 kΩ (at 80 kHz)
< 40 dB (for 80 kHz)
Restricted: AC 5 kV; with an external isolating trans-
former 7XR9516: AC 20 kV
Technical Data
6.2 Interfaces
37
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