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Technical data
Optical channel
Permitted FO cable attenuation (with link power margin)
– with plastic fiber 980/1000
– with PCF fiber 200/230
Link distance with 3 dB link power margin
– with plastic fiber 980/1000 with max. 200 dB/km cable at‐
tenuation
– with PCF fiber 200/230 with max. 10 dB/km cable attenuation
Fiberoptic connectors
Electromagnetic compatibility (EMC)
Emission
Immunity against static discharge
Immunity against RF radiation
Immunity to conducted disturbances (burst)
Immunity to conducted disturbances (surge)
Safety
VDE regulation
UL/CSA approval
Climatic environmental conditions
Ambient temperature
Storage temperature
Relative humidity
Fast change of temperature during operation
36
13 dB
3 dB
0.1 m to 50 m
0 m to 300 m
Simplex / duplex
Limit class A (EN 55022)
On shield connector and housing parts: ±6 kV contact dis‐
charge (IEC 61000-4-2)
10 V/m at 80% amplitude modulation with 1 kHz, 80 MHz – 1
GHz (ENV 50140; IEC 61000–4–3)
10 V/m with 50% load factor at 900 MHz (to ENV 50 204)
10 V/m at 80% amplitude modulation with 1 kHz, 10kHz – 80
MHz (ENV 50141)
On power supply cables and shielded RS-485 bus cables: ±2 kV
(IEC 61000–4–4)
On power supply cables: ±1 kV symmetrical and +-2 KV asym‐
metrical
On shielded RS485 bus cables: ±2 kV asymmetrical
(IEC 61000–4-5)
VDE 0806 = EN60950 and IEC 60950-1
complying with UL 60950-1, CSA C22.2 No. 60950-00
0 °C to +60 °C
(IEC 60068-2-1, IEC 60068-2-2)
-40 °C to +70 °C
(IEC 60068-2-1, IEC 60068-2-2)
< 95% (no condensation)
(IEC 60068-2-30)
0 °C to +60 °C; exposure time 3 h; temperature change 3 K/
min.; 5 cycles
(IEC 60068-2-14)
Operating Instructions, 06/2022, C79000-G8976-C122-08
PROFIBUS Optical Bus Terminal (OBT)
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