38/140
Siemens
RXB (KNX) Applications library
CLC and RAD description of functions for CC-02 CM110384en_03
Building Technologies
Room operating modes
28 Feb 2009
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.
Room controller RXB...
Presence detector input
EIB / KNX presence detector
10385Z07en
Presence detector on DI
OR
Presence detector output
Delay on / off
Without delay
The following S-mode communication object is used to integrate a presence detector
connected to the bus:
Presence detector input (output communication object)
Flags
R W C T U
Type Receive
timeout
States
1 0 1 1 0 1.018
DPT_Occupancy
Yes
0 = Unoccupied
1 = Occupied
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
R W C T U
Type Send
heartbeat
States
0 1 1 0 0 1.018
DPT_Occupancy
No
0 = Unoccupied
1 = Occupied
Master/slave applications
Bindings are required in S-mode, in order to transmit the slave presence detector status
to the master.
Effective occupancy
S
Zentral
Lokal
1.
2.
3.
S
DI
S
S
S
DI
S
3.
Controller
Prio
PPS2
3.
S
The output communication object
Effective
occupancy
shows the occupancy status of the room
(based on a combination of time schedule and
presence detector).
In the case of integration into a building automation
and control system, the data is mapped to the
following output communication object:
Presence detector
KNX
R
CO
Note
