Basic Documentation

Table Of Contents
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Siemens Wall-mounted sensors and room operator units for KNX/ETS and KNX/ACS CM2N1602en_07
Smart Infrastructure Devices 2020-06-20
1.2 Equipment combinations
The room operator units are KNX certified and can be connected to all suitable
KNX devices, if the appropriate communication objects are available in the
application.
Use in the following BAC systems:
· GAMMA Building Management Systems / third-party devices
· Building automation and control systems with ETS configuration
Integration of third-party devices and free configuration.
· Synco700 (with ACS configuration) can only use the sensor information of types
QMX3.P30, QMX3.P40 and QMX3.P70.
1.3 Design and device parts
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6
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2
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B
C
A
B2
B1
· The devices are designed for wall-mounting (A). A conduit box is optional.
Conduit box: Keep in mind the dimensions of the conduit box!
Cable conduits on the wall: Keep a distance of 30 mm (from above) /
20 mm (from below) to the base plate (B), so that the device (C) can be
snapped onto the base plate.
· The base plate (B) has screw holes for all common flush-mount boxes.
The screw head height must not exceed 3 mm.
· The device (C) incorporates a KNX / PL-Link plug, a tool plug, and, depending
on the type, sensor element, keys, LCD panel, window for the label.
The cable can be pushed into channels on the rear.
· A KNX plug is enclosed with the devices
The optional metal-reinforced base plate QMX3.MP1 (B1) serves for two purposes:
· It is more rigid so that it does not bend when fixed in the middle with two screws
only (directly over a conduit box or a cavity wall box).
· It has a removable gray foam plate (B2) for mounting on a 68 mm diameter
cavity wall box. The plate compensates for the jutting edge of the box (see
mounting, page 13).
QMX3.MP1 is supplied in boxes with 20 pcs.
Note