PROFIBUS connector and cables Section 3 Modules
42 M&I – AC 900F Controller
Cable length
The maximum cable length of a PROFIBUS subnet within one segment depends on
the baud rate (transmission rate).
Bus termination
Both bus segment ends must be provided with a termination resistor. These resistors
are usually integrated into the PROFIBUS connector. As the bus termination is
active, it must be ensured that both
terminations are supplied with +5 V by a module
or an external power supply.
CM 772_Bus termination_us.png
Transmission rate in kBit/s Maximum cable length
9.6;19.2; 45.45; 93.75 1200 m
187.5 1000 m
500 400 m
1500 200 m
3000, 6000, 12000 100 m
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