Local Control Of Room Operating Mode Via The Temporary Comfort Mode Input - Siemens Desigo RXB Technical Manual

Existing effective
room op. mode
Comfort
Precomfort
Economy
Protection mode
K N X
CO
R
K N X
R
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Siemens
Building Technologies
The table below shows the effect of the
mode of the room controller.
Display on
room unit
Auto
Key: " Auto" means: "changes to Auto"
1) Comfort mode is operative for the pre-defined Temporary Comfort period (see page
126). The room controller then reverts to Economy.
5.3.6 Local control of room operating mode via the
Temporary Comfort mode input
Central Local
Controller
S
DI
S
S
S
DI
PPS2
S
Any KNX/EIB switch (pulse switch) can be used for the input:
EIB / KNX button
CO
The following S-mode communication object is used to integrate a bus switch:
Temporary comfort mode (Input communication object)
Flags Type
R W C T U
0 1 1 0 0 1.017
DPT_Trigger
RXB (KNX) application library
Room operating modes
/Auto button on the effective room operating
Manual operation of
the / Auto button
Auto
Auto
Auto
The communication object Temporary Comfort mode
Prio
1.
has an effect similar to that of the
S
room unit. However, the HVAC control system can only
2.
be "switched on", i.e. the room operating mode
3.
switches to Comfort only.
S
3.
3.
Temporary Comfort mode
Receive timeout
No
FNC Description of functions for FC-10, FC-11, FC-12
New rffective room
operating mode
Precomfort
if effective occupancy
= Occupied or Standby
Economy
if effective occupancy
= Unoccupied
Comfort
Comfort during Temporary
Comfort period
Protection , no change
/Auto button on the
RXB... room controller
10385Z59de
States
1 = Trigger
0 = Not used
1)
CM110385en_05
28 Feb 2009