Siemens Desigo RXB, Technical Manual, Page: 185 / 476

105/140
Siemens RXB (KNX) Applications library CLC and RAD description of functions for CC-02 CM110384en_03
Building Technologies General / central functions 28 Feb 2009
10.7 Special functions
The functions described in sections 10.8 and following are initiated via the following S-
mode communication object:
Application mode (input communication object)
Flags
R W C T U Type Receive timeout States
0 1 1 0 0 20.105
DPT_HVACContrMode
Yes
0 = Auto
1 = Heat
2 = Morning Warmup
3 = Cool
5 = Precool
6 = Off
7 = Test
*)
8 = Emergency Heat
10 = Freecool
Übrige Zustände
nicht benutzt
*) Exit from Test (7) is only possible with the sequence Off (6) + normal mode (0).
The following communication object is used in LTE mode:
Application mode (input)
Possible partner function blocks Known partner devices
ContrMode
Time switch
zone
104 PMC
Programs to HVAC-Mode Conversion
109 BOS
Building/Occ-Mode Source
115 HVACOPT
HVAC Optimizer
Siemens:
Synco RMB795
State Description see
section Para-
meter
0 = Auto Controller operating normally.
1 = Heat Controller can heat only; cooling sequence is
disabled.
2 = Morning Warmup Boost heating. 10.8 *134
3 = Cool Controller can cool only; heating sequence is
disabled.
5 = Precool
Precooling: Use chilled ceiling to precool the
room. 10.9 *135
6 = Off Temperature control is disabled.
The remaining functions are active.
Communication is operating as normal. --
7 = Test
*)
All functions disabled.
Motorized valve and damper actuators
synchronized.
Outputs can be overridden via KNX bus. 10.10
8 = Emergency Heat Emergency heating. 10.11
10 = Freecool
Free cooling
•
During Economy, precool the room using
chilled ceiling (low tariff energy).
•
During Comfort normal mode.
10.12 *135
*) Exit from Test (7) is only possible with the sequence Off (6) + normal mode (0).
KNX
R
CO
Meaning of the states