10
RS485 connections
HomeMatic Central communication with the devices of the HomeMatic Wired family
The connecting lines must be constructed in accordance with the information provi-
ded in the following sections 10.1 Pin-outs for the RS485 connection and Infor-
mation on connecting the RS485 bus .
10.1
Pin-outs for the RS485 connection
Figure 1: Connection diagram for the HomeMatic Central RS485 socket.
The pin-outs of the connection socket above are assigned as follows in the Home-
Matic Central:
Pin
1
RS485 - A
2
RS485 - B
3-8
not connected
Shielding
Ground - GND
Assignment
25