Figure 5.1.1: Diagram with switchable termination resistor on RS485 bus
Technical Data (for baud rates up to 115.2 kBps):
Max. bus length:
1200 m
Max. stub length:
because of reflections stubs should be kept as short
as possible; exceptions allow a length up to 30 cm
Cable recommendation:
twisted pair, cable-cross section at least
0,22 mm
2
(AWG 24) differential-mode characteristic
impedance 100...120 Ω
10
896108_wi_en_li_udl-250_pro_v130214_io_sk_fh_bf.odt
V14/05/09
Wiring and Installation UDL 250
