Siemens Desigo RXB, Technical Manual, Page: 143 / 476

63/140
Siemens RXB (KNX) Applications library CLC and RAD description of functions for CC-02 CM110384en_03
Building Technologies Room operating modes 28 Feb 2009
5.6.1 Local control of room operating mode via
a window contact input
Window contact
PPS2
Local
1.
DI
DI
3.
Controller
3.
Prio
If a window is opened, the room controller always switches to
room operating mode
Protection , i.e. the heating or cooling
output is reduced to a minimum.
The window contact is connected directly to a digital input of the room controller (see
page 102).
The table below shows the
Effective room operating mode as a function of the window
contact input.
Window contact state
Effective room operating mode
No window contact Comfort (default)
Window closed No effect.
Lower-priority inputs determine the operating mode.
Window open Protection.
5.6.2 Local control of room operating mode via presence
detector
Presence detector
PPS2
Local
1.
DI
DI
3.
Controller
3.
Prio
A presence detector detects the presence of people in the
room and controls the room operating mode of a room
controller.
The presence detector is connected directly to a digital input of the room controller (see
page 102).
Effective room operating
mode