Local Control Of Room Operating Mode Via The Window Contact Input; Local Control Of Room Operating Mode Via A Presence Detector - Siemens Desigo RXB Technical Manual

Window contact
Effective
room operating mode
Presence detector
Effective
room operating mode
Siemens
Building Technologies
5.6.1 Local control of room operating mode via the
window contact input
Local
Controller
Whenever a window is opened, the room controller always
Prio
1.
DI
switches to the Protection room operating mode, i.e. the
heating or cooling output is reduced to a minimum.
3.
DI
3.
PPS2
The window contact is connected directly to a digital input of the room controller (see
page 126).
The table below shows the effective room operating mode as a function of the window
contact input.
Status of window
contact
No window contact
Window closed
Window open
5.6.2 Local control of room operating mode via a
presence detector
Local
Controller
A presence detector detects the presence of people in the
Prio
1.
DI
room and controls the room operating mode of a room
controller.
3.
DI
3.
PPS2
The presence detector is connected directly to a digital input of the room controller (see
page 126).
• The change in the effective room operating mode is event-driven, the key factor
being the point at which the effective occupancy changes.
• The room unit (which is also Priority 3) can cause the effective room operating mode
to change again the last command always applies.
RXB (KNX) application library
Room operating modes
Effective room operating mode
Comfort (default)
No effect.
Operating mode is determined by inputs with a lower priority
Protection mode
FNC Description of functions for FC-10, FC-11, FC-12
.
.
.
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CM110385en_05
28 Feb 2009