Local Control Of Room Operating Mode Via Window Contact Input - Siemens Desigo RXB Technical Manual

Technical manual
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Effective room operating
mode
Window contact
K N X
CO
R
46/140
Siemens
Building Technologies
5.4.1
Local control of room operating mode via window
contact input
Central
Local
Controller
Prio
S
1.
S
DI
1.
3.
S
S
S
3.
DI
3.
PPS2
3.
S
The table below shows the Effective room operating mode as a function of the window
contact input.
Window contact state Effective room operating mode
Window closed
Window open
The window contact is connected directly to a digital input on the room controller (see
page 102). Alternatively an EIB/KNX window contact connected to the bus may be
used. The application evaluates both items of information (logic OR operation).
Since EIB/KNX window contacts are available from a variety of manufacturers, the
name of the S-mode output communication object varies accordingly.
Window contact on DI
EIB / KNX window contact
The following S-mode communication object is used to integrate an EIB/KNX window
contact:
Window contact input (input communication object)
Flags
Type
R W C T U
0 1 1 0 0 1.019
DPT_WindowDoor
RXB (KNX) Applications library
Room operating modes
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.
No effect.
Lower-priority inputs determine the operating mode.
Protection.
Room controller RXB...
Window contact input
Receive timeout
No
CLC and RAD description of functions for CC-02 CM110384en_03
OR
Window contact output
10385Z10en
States
0 = Closed
1 = Open
28 Feb 2009

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