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Engineering notes
Mounting and installation
Location
4 / 14
Siemens
Building Technologies
• The room operator units offer plug & play functionality.
• The room operator units receive their power from the connected room
automation station via the KNX PL-Link interface.
• KNX PL-Link supports plug & play functionality for pre-configured devices out of
the library
• For KNX PL-Link wiring (topology, allowed cables and cable length), see the
Desigo installation guide, CM111043.
• Normally, electrical installers only install the base plate and the KNX PL-Link
plug. These two items are packed in a plastic bag for easy handover to
installers.
• Use the tear-off label with the barcode on the packaging / on the display and
stick it on the floor plan to prepare commissioning for several room operator
units per room automation station.
The same barcode label with unique identifier is available on the device.
Furthermore, the unique identifier (HEX number) is displayed on screen when
starting the device.
• The room operator unit is suitable for flush mounting.
• Recommended height: 1.50 m above floor.
• Do not mount the unit in recesses, shelves, behind curtains or doors, or above
or near heat sources.
• Avoid direct solar radiation and drafts.
• Seal the conduit box internally, as air currents in the conduit can affect sensor
readings.
• Adhere to allowed ambient conditions.
QMX3... Freely configurable flush-mounted room operator unit for KNX PL-Link
CM2N1601en_04
2016-03-24
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