Siemens Desigo RXB Technical Manual page 118

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Presence detector
K N X
CO
R
Note
Effective occupancy
38/140
Siemens
Building Technologies
The presence detector is connected directly to a digital input on the room controller
(see page 102); alternatively an EIB/KNX presence detector connected to the EIB/KNX
bus may be used (see diagram below).
The two entries are OR-linked; if one of them signals presence, presence applies.
Since EIB/KNX presence detectors are available from a variety of manufacturers, the
name of the S-mode output communication object varies accordingly.
Presence detector on DI
EIB / KNX presence detector
The following S-mode communication object is used to integrate a presence detector
connected to the bus:
Presence detector input (output communication object)
Flags
Type
R W C T U
1 0 1 1 0 1.018
DPT_Occupancy
The state of the local presence detector on the digital input is mapped in the building
automation and control system via the following S-mode output communication object:
Presence detector output (input communication object)
Flags
Type
R W C T U
0 1 1 0 0 1.018
DPT_Occupancy
Master/slave applications
Bindings are required in S-mode, in order to transmit the slave presence detector status
to the master.
Zentral
Lokal
Controller
Prio
S
1.
DI
2.
S
3.
S
S
DI
3.
PPS2
3.
S
RXB (KNX) Applications library
Room operating modes
Room controller RXB...
OR
Presence detector input
Delay on / off
Receive timeout
Yes
Send heartbeat
No
The output communication object Effective
occupancy shows the occupancy status of the room
S
(based on a combination of time schedule and
presence detector).
In the case of integration into a building automation
S
and control system, the data is mapped to the
following output communication object:
CLC and RAD description of functions for CC-02 CM110384en_03
Presence detector output
10385Z07en
Without delay
States
0 = Unoccupied
1 = Occupied
States
0 = Unoccupied
1 = Occupied
28 Feb 2009

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