Siemens QMX3.P74 - Connection; KNX; PL-Link Plug; RJ45 Plug of the Tool Cable; Connect the Tool

15 / 16
QMX3... Wall-mounted sensors and room operator units for KNX PL-Link, KNX S-mode and KNX LTE-Mode CM2N1602en_07
Siemens Building Technologies 2017-05-22
Connection
R1 QMX3... room operator unit
N1 Controller, actuator
= Twisted pair
+
Red
KNX PL-Link (positive)
–
Gray
KNX PL-Link (negative)
• 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.
RJ45 plug of the tool cable
1
CE+, KNX
2
CE−, KNX
3
N.C.
4
N.C.
5
Spannung 16 V
6
N.C.
7
Ident'pin
8
GND
Connect the ABT to load the application in the room automation station, or for
service purposes:
− Directly to the room automation station.
− To the room unit using the tool cable and the OCI702 service interface (see data
sheet A6V10438951).
KNX / PL-Link plug
NOTICE
Tool plug
(2.5 mm Jack)
Connect the tool