RS485 connection

Nine-pin D sub

The cable is connected via a 9-pin D-Sub connector on the left side of the Bus Terminal Controller.
A two-core cable with shielding should be used. The shielding should be connected to signal ground (GND).

Pin assignment of the RS485 D-sub socket

RS485 connection 1:
RS485 pin assignment

Cable

The BC8050 can establish connections to several devices; the maximum permitted cable length is 1200 m.

RS485 connection 2:
Two-core cable with shield