Siemens POS8.4420/109 - Page 8

Product overview
Diagrams
2
8 | 32
Siemens
A6V11471220_en--_a
Smart Infrastructure
2018-11-30
NOTICE
Wires are NOT interchangeable!
The device is protected against faulty wiring, but communication does not work on
interchanged wires. Do not connect the KNX / KNX PL-Link bus to the tool plug,
only the tool.
Tool plug
Connector
Pin
Description
+
KNX PL-Link (positive)
-
KNX PL-Link (negative)
2.5.2 Connection diagrams
Operation
R1
The device - room operator unit (POS8.44xx)
N1
The controller - room automation station
Twisted pair