9
Siemens
A6V11521633_en--_b
Smart Infrastructure
2020-11-09
Technical data
Power supply
Operating voltage KNX / PL-Link DC 21...30 V
1)
Power
consumption
(room automation
station)
QMX3.P35H
QMX3.P35H-BSC
QMX3.P38H
QMX3.P38H-BSC
Max. 15 mA at DC 24 V
Max. 15 mA at DC 24 V
Max. 15 mA at DC 24 V
Max. 15 mA at DC 24 V
1)
The device receives power from the connected room automation station via the KNX / PL-
Link interface.
Operating data
Temperature sensor (all types)
Measuring element
NTC resistance sensor
Measuring range
0…50 °C
Measuring accuracy(5…30 °C)
< 0.8 K
Measuring accuracy (25 °C)
< 0.5 K
Display
Type
LCD touch screen
Information displayed depends on the
application in the room automation station.
● Room temperature, humidity, CO
2
,
PM2.5
● Outdoor temperature, humidity
● Setpoint adjustment
● Operating mode
● Auto or manually selected fan speed
● Occupancy/Vacancy
● Scenes
Ports/interface
Type of port between room automation
station and operator unit
KNX/PL-Link
Baud rate
19.2 kbps
Standard KNX plug
Wire diameter 0.8 mm, max. 1.0 mm (solid
conductors only)
Cable type
Solid conductors 2-core, twisted pair
Single cable length (from room automation
station to room operator unit)
< 1000 m
Cables must comply with KNX specifications, see TRA Install. manual, A6V10361918 *)
*) The document can be downloaded from http://siemens.com/bt/download.
