Operating Instructions

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Siemens RXB (KNX) application library RXB Description of functions for FC-10, FC-11, FC-12, FC-13 CM110385en_08
Building Technologies Room operating modes 2013-06-17
5.4.6 Local control of room operating mode via the
Temporary Comfort mode input
CO
PPS2
S
Central Local
1.
3.
S
DI
S
S
DI
3.
Controller
1.
3.
Prio
3.
S
S
The communication object Temporary Comfort mode
has an effect similar to that of the
/Auto button on the
room unit. However, the HVAC control system can only
be "switched on", i.e. the room operating mode
switches to Comfort only.
Any KNX/EIB switch (pulse switch) can be used for the input:
RXB... Room controller
EIB / KNX button
Temporary ComfortMode
10385Z59en
The following S-mode communication object is used to integrate a bus switch:
Temporary comfort mode (Input communication object)
Flags
Type Receive timeout States
R
W
C
T
U
0 1 1 0 0 1.017
DPT_Trigger
No 1 = Trigger
0 = Not used
The communication object Temporary Comfort mode has two possible states:
State Description
1 = Trigger
Effective room operating mode is Comfort
0 = Not used
Has no influence on the effective room operating mode
The change in the effective room operating mode is event-driven, the key factor
being the moment when the communication object is received.
The Effective occupancy or room unit (both Priority 3) can cause the effective room
operating mode to change again the last command always applies.
CO
Effective
room operating mode