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Siemens
RXB (KNX) application library
FNC Description of functions for FC-10, FC-11, FC-12
CM110385en_05
Building Technologies
Control sequences
28 Feb 2009
8.7.2
Supply air inputs / outputs
The supply air temperature sensor is connected to input B1 of the controller.
The room temperature must be measured with the room sensor installed in the room
unit.
Temperature
sensor
Inputs required
Supply air
temperature
Room temperature
10385S09
B1
T
CP+, CP–
The supply air temperature is mapped to the following S-mode output communication
object:
Supply air temperature output (Output communication object)
Flags
R W K T U
Type Send
heartbeat
Value
1 0 1 1 0 9.001
DPT_Value_Temp
yes
Floating point (°C)
The supply air temperature can also be measured with a bus sensor.
The following S-mode input communication object is used for this purpose:
Supply air temperature input (Input communication object)
Flags
R W K T U
Type Receive
timeout
Value
0 1 1 1 1 9.001
DPT_Value_Temp
yes
Floating point (°C)
The bus signal has priority over the locally connected sensor!
In LTE mode, the supply air temperature from directly connected sensors is mapped as
follows:
Supply air temperature output (Output)
Possible partner function
blocks
Known partner devices
TempSupplyAir
Geographical zone
390 UHD
UserHVACDisplay
Siemens:
Synco RMH760 / RMB795
RMU710 / 20 / 30
When "supply air " is configured, the controller retrieves this value after a reset.
KNX
R
CO
Note
