Local Control Of Room Operating Mode Via The Window Contact Input; Central Control Of The Room Operating Mode Via Enable Comfort - Siemens Desigo RXB Technical Manual

Window contact
Effective
room operating mode
Note
58/166
Siemens
Building Technologies
5.5.1 Local control of room operating mode via the
window contact input
Local
Central (ACS)
Controller
Prio
Central
(Synco controller)
DI
DI
PPS2
The table below shows the effective room operating mode as a function of the window
contact input.
Status of window
contact
Window closed
Window open
The window contact is connected directly to a digital input of the room controller (see
page 126).
Master/slave applications
It is not possible in LTE mode to transmit the status of the slave window contact to the
master.
5.5.2 Central control of the room operating mode via
Enable Comfort
Local
Central (ACS)
Controller
Prio
Central
(Synco controller)
DI
DI
PPS2
RXB (KNX) application library
Room operating modes
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.
0.
1.
1.
2.
3.
3.
3.
Effective room operating mode
No effect.
Operating mode is determined by inputs with a lower priority
Protection mode
A central operator station can use the Enable Comfort
input to specify whether the room operating mode can
be switched to a higher mode than Economy mode, i.e.
whether Priority 3 influences ( Room operating mode
0.
input, presence detector or room unit) are enabled.
1.
1.
In the room controller however, the Priority 3
influences can be enabled forcibly, by ignoring the
2.
Enable Comfort input (via the parameter Local Comfort
3.
mode ).
3.
3.
FNC Description of functions for FC-10, FC-11, FC-12 CM110385en_05
28 Feb 2009