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Wall-mounted sensors and room operator units for KNX PL-Link
Communicative sensors and room operator units with KNX PL
QMX2.P33 / QMX2.P43
tal Room Automation).
● Room temperature and humidity measurement (depending on types)
● LCD display of room temperature, operating modes, etc.
● Operation with 8 push buttons
● Interface KNX PL-Link (for TRA, with plug and play functionality)
● Powered over KNX PL-Link
A6V10733768_en--_a Building Technologies
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Use
Functions
● Measure and display the room temperature and humidity (depending on types)
● Operate room functions such as fan control and room operating modes
● Indicate open windows, room air quality, outdoor temperature, and outdoor humidity
Function of the display elements and push buttons
Elements Functions
/
15.5 °C ● Temperature display in °C or °F / humidity in % r.h.
/
/
25.0 °C ● Display of relative or absolute setpoint for
/ / / /
/ /
/
/ /
● A visible arrow Indicates an operable element
/ air quality in text, symbol, or ppm of CO₂
● Toggling (button 1) between indoor and outdoor
measurement (temperature, humidity and CO₂)
● Indicates that a window is open (connected window
contact is active)
● Display of plant state (heating or cooling / inactive)
Note: No manual switchover!
temperature
● Adjust setpoint using buttons 2 and 6
● Display of present fan speed (when automatic)
● Adjust fan speed using button 3 (or buttons 3 and 7
if room operating mode operation is disabled)
● Display of room operating modes (w hen automatic)
● Adjust room operating mode us ing button 7
● Navigation: Toggle display/setpoint setting between
temperature/humidity/CO₂ using button 4
● Operation of occupancy state (presence switch,
Comfort extension)
● Activate Comfort extension using button 8 (only
available if enabled)
● Engineering functions (press buttons 1 and 8
simultaneously for 5s
- Programming mode (button 2), s ame function as
programming pin (service pin) on the rear of
device)
- Connection test (button 3) (not supported by ETS
and ACS)
- Reset device to factory settings (button 4)
Note: This operation is irreversible!
● Indicates that the room operator unit is locked by
the system.
- Operation disabled
- Display in line 1 shows the temperature from bus
2017-07-28
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Mechanical design
1 Frame for panel mounting 4 KNX PL-Link bus connector
2 Base plate
● With screw holes for all common conduit
boxes in regions such as EU, UK, etc.
● With guide channels for wir ing from center,
up, or bottom
3 Room operator unit
5 Jack connector for tool connection
Type summary
Product number Stock number Feature
QMX2.P33 S55624-H 118 Yes No
QMX2.P43 S55624-H 117 Yes Yes
Equipment combinations
All controllers from Desigo TRA.
Product documentation
Topic Title Document ID:
Installation, cable length, topology Mounting instructions A6V10733759
CE declar ation A5W90002237
Product environmental declaration A5W90002450
All documents can be downloaded from http://siemens.com/bt/download.
Notes
The subsections include important information for sale or that is essential for engineering.
Temperature sensor Humidity sensor
2017-07-28
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CAUTION
National safety regulations
Observe national provisions and comply with the appropriate safety regulations.
Failure to comply with national safety regulations may result in personal injury and property
damage
● The device offers plug & play functionality.
● The device receives its power from the connected room automation station via the KNX
PL-Link interface, or from the jack connector.
● Engineering and commissioning using the ABT (Automation Building Tool) tool and SSA
(Setup & Service Assistant) tool.
● The devices are suitable for wall mounting and panel mounting.
● Recommended height: 1.50 m above the floor.
● Do not mount the devices in recesses, shelves, behind curtains or doors, or above or
near heat sources.
● Avoid direct solar radiation and drafts.
● Seal the conduit box or the installation tube if any, as air currents can affect sensor
readings.
● Adhere to allowed ambient conditions.
2017-07-28