Outside Air Temperature Via Konnex Bus (Fnc10, Fnc12, Fnc18) - Siemens Desigo RXB Technical Manual

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Siemens
Building Technologies
The situation is slightly different in LTE mode: Here, each signal has its own specific
name, and the room temperature and return air temperature therefore each have their
own communication object.
Room temperature (Input)
Possible partner function blocks
TempRoom
321 RTS
Room Temperature Sensor
Geographical zone
Return air temperature (Input)
Possible partner function blocks
TempReturnAir
323 RNATS
Return Air Temperature Sensor
Geographical zone
7.2 Outside air temperature via Konnex bus
(FNC10, FNC12, FNC18)
For the FNC10, FNC12, and FNC18 applications, the outside air temperature must be
available as a bus information. It can be read via the next S-mode communication
object:
Outside air temperature input (Input communication object)
Flags Type
R W C T U
0 1 1 1 1 9.001
DPT_Value_Temp
Subject to the appropriate configuration and integration, the outside air temperature is
read by the controller immediately after a reset.
In LTE mode, the outside air temperature is sent in a special zone.
Outside air temperature input (Input)
Possible partner function blocks
TempOutside 320 OTS
Room Temperature Sensor
Outside air
temperature zone
RXB (KNX) application library
Temperature measurement
Receive timeout
yes
FNC Description of functions for FC-10, FC-11, FC-12
Known partner devices
Siemens:
Synco RMH760
RMU710 / 20 / 30
QAW740
Known partner devices
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Value
Floating point (°C)
Known partner devices
Siemens:
Synco RMH760
RMU710 / 20 / 30
RMB795 / RMS705
CM110385en_05
28 Feb 2009