Motortech MIC5 - Output Wiring RS485 Interface

6 Wiring of the Device
Rev. 03/2019 51
6.1.8 Output Wiring – RS485 Interface
The RS485 interface can be wired as two-wire or four-wire wiring and twisted cables must be
used. With both variants the load resistance (R
T=120 Ω) is the characteristic impedance of the
cable.
Two-Wire Wiring
First device Last device
Second device Second-to-last device
Four-Wire Wiring
First device
(Master)
Last device
(Slave)
Second device
(Slave)
Second-to-last device
(Slave)