Data Sheet for Application

Application Sheet
CEN001
Central function weather station
DXR2..18-101A
DXR2..18-102A
2 / 4
Technical information in this document are subject to change. Drawings serve illustration purposes only.
Siemens is not responsible for content and any manual modifications.
2021-09-01
A6V10662238_en--_d_--_05
Description of
functions
Basic function
Options
• Measurement of present outside temperature.
• Function for setpoint shift of room temperature based
on outside temperature.
• Distribution of weather data to other central functions
or room functions.
• Display of outside temperature on room operator units
QMX3.P34, QMX3.P74, or QMX3.P37.
• Measurement of present weather data for:
o Wind speed
o Precipitation
o Relative outside air humidity
• Central wind, precipitation, and/or frost protection
function for installed blinds or awnings.
• Facade control can be enabled on 3 additional groups
with a delay on large buildings.
• Display of relative air humidity on room operator units
QMX3.P34, QMX3.P74, or QMX3.P37.
Variants
• The template settings for the facade protection
function are set for use with blinds. The parameters for
precipitation protection must be adapted to use
awnings (see Engineering).
Siemens devices
Key
Device
Datasheet
Product no.
No.
DXR2…
Compact room automation station, BACnet/IP, 24 V,
DIN housing, 2 DI, 4 UI, 8 DO Triacs, 4 AO 0…10 V
N9205
N9207
DXR2.E18-101A
DXR2.E18-102A
DXR2.M18-101A
DXR2.M18-102A
1
B5
Weather sensor LG-Ni 1000, −50…+70 °C
N1811
QAC22
1
Optional third-
party device
Key
Device
No.
B6
Wind sensor, 0…10 V
1
B7
Rain sensor, digital input, NO contact
1
B8
Humidity sensor, 0…10 V
1
Connection
diagram
BACnet IP
AC 230 V
BACnet IP
L
N
T
B5
rH
*B8
W
*B6
R
*B7
*Third-party device