Mechanical Design; Diagrams; Connection Terminals - Siemens POS8.4420/109 Basic Documentation

2
Product overview

Mechanical design

2.4 Mechanical design

2.5 Diagrams

2.5.1 Connection terminals

6 | 70
1 Gasket for panel mounting
2 Base plate with
● screw holes for all common conduit
boxes
● guide channels for wiring from center,
up, or bottom
3 Room operator unit
KNX PL-Link plug
Connector
To find the location of the KNX PL-Link plug, refer to Mechanical design
NOTICE! Users can choose either pair of the pins to connect.
NOTICE
Wires are NOT interchangeable!
The device is protected against faulty wiring, but communications does not work
on interchanged wires. The KNX / KNX PL-Link bus MUST NOT be connected to
the tool plug, only the tool.
4 KNX PL-Link bus connector
5 Jack connector for tool connection
Pin Description
+ KNX PL-Link (positive)
- KNX PL-Link (negative)
A6V11471220_en--_e