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
5.6.1 Local control of room operating mode via the
window contact input
Window contact
PPS2
Local
1. DI
DI
3.
Controller
3.
Prio
Whenever a window is opened, the room controller always
switches to the Protection room operating mode, 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 142).
The table below shows the effective room operating mode as a function of the window
contact input.
Status of window
contact
Effective room operating mode
No window contact
Comfort (default)
Window closed No effect.
Operating mode is determined by inputs with a lower priority
Window open
Protection mode
5.6.2 Local control of room operating mode via a
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 142).
Effective
room operating mode