Siemens POS8.4420/109 Manual page 8

Product overview
2
Diagrams
2.5.2 Connection diagrams
8 | 32
Siemens
Smart Infrastructure
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
+
-
Operation
R1 The device - room operator unit (POS8.44xx)
N1 The controller - room automation station
Twisted pair
Description
KNX PL-Link (positive)
KNX PL-Link (negative)
A6V11471220_en--_a
2018-11-30