Example Connection With One Sub-Distribution Board - HomeMatic RS485 Bedienungsanleitung

6.2 Example connection with one sub-dis-
tribution board
Main distribution
LAN Gateway
Drain wire
(connected)
If there is more than one sub-distribution
board, you should make the shield connection
separately in each of them, i.e.:
• Incoming shielded cable
shield
• Outgoing shielded cable
nected to GND, etc.
A B
1.3 1.7
+24 V GND
1.4 1.8
Shielded cable
Sub-distribution
Actuator
Prog.
+24 V GND A B
1.4 1.8 1.3 1.7
Drain wire
(not connected)
Do not connect
Shield con-
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