Kübler Group 4 Installation
HB Profibus Interface - R67068.0002 - 01 EN - 15
NOTICE
Bus termination with closed devices
For closed devices, the termination is either activated at the factory
or it must be provided externally with a resistor.
• Connect the terminating resistors with wires 8 and 9 (BUS_A) and
(BUS_B), and, for the active current lines, with wires 6 and 7.
4.1.5 Network Topology
All devices are connected in a bus structure (line). Up to 32 participants (master or slaves) can
be connected together in a segment. The bus is terminated with an active bus termination (ter-
mination resistors) at the beginning and at the end of every segment.
Both bus terminations must always be powered to ensure trouble-free operation. Termination
[}14]
The maximum line length depends on the transmission speed. The indicated line length can be
extended by using repeaters. We recommend not to use more than 3 repeaters.
Baud rate [kBit/s] 9.6 19.2 93.75 187.5 500 1500 12000
Range/segment 1,200 m 1,200 m 1,200 m 1,000 m 400 m 200 m 100 m
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