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Siemens
RXB (KNX) Applications library
CLC and RAD description of functions for CC-02 CM110384en_03
Building Technologies
General / central functions
28 Feb 2009
The heating or cooling demand can be evaluated via the S-mode communication
object.
Energy demand room (output communication object)
Flags
R W C T U
Type Send
heartbeat Value
1 0 1 1 0 6.001
DPT_Percent_V8
Yes
–100...100% : (-128 ... +127)
–100% = Full heating
+100% = Full cooling
In LTE mode, the energy demand is determined by two signals:
Heat demand heating surface (output)
Possible partner function blocks
Known partner devices
EnergyDemRD
Distribution zone,
heating
153 RHDTTU
Radiator Energy Demand
Transformer TU
Siemens:
Synco RMH760
RMU710 / 20 / 30
RMB795 / RMS705
Refrigeration demand cooling surface (output)
Possible partner function blocks
Known partner devices
EnergyDemCC
Distribution zone,
cooling
216 CCDTTU
Chilled Ceiling Energy Demand
Transformer TU
Siemens:
Synco RMU710 / 20 / 30
RMB795 / RMS705
10.6 Heating/cooling signal output
The heating/cooling state display is mapped to a building automation and control
system via the following S-mode communication object (states 1, 3, 20):
Effective application mode (output communication object)
Flags
R W C T U
Type Send
heartbeat
States
1 0 1 1 0 20.105
DPT_HVACContrMode
Yes
1 = Heat
3 = Cool
20 = No demand
KNX
R
CO
KNX
R
CO