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Siemens
RXB (KNX) Applications library
CLC and RAD description of functions for CC-02 CM110384en_03
Building Technologies
Room operating modes
28 Feb 2009
Effective occupancy (output communication object)
Flags
R W C T U
Type Send
heartbeat
States
1 0 1 1 0 20.003
DPT_OccMode
Yes
0 = Occupied
1 = Standby
2 = Unoccupied
5.3.4
Central control of room operating mode via room
operating mode schedule
DESIGO does not support this type of schedule. If nevertheless used, the room
controller may produce errors.
5.3.5
Local control of room operating mode with a room unit
Room unit
S
Central
Local
1.
2.
3.
S
DI
S
S
S
DI
S
3.
Controller
Prio
PPS2
3.
S
The /Auto button on the room unit can be used like
a presence button.
The room user can raise or reduce the room
temperature.
The room unit is connected to the PPS2 interface on the room controller.
It displays the Effective room operating mode in a simplified form, and can also be used
to change it.
State
Description
Auto
Effective room operating mode
is
Comfort
.
Reduced operation
in the room, dependent on priority 1, 2 and 3
influences.
The
Effective room operating mode
is
Precomfort, Economy,
or
Protection (3
rd
priority:: Last one wins).
•
The Effective
room operating mode
on the room unit can be changed only during the
building-in-use period (
Use
schedule).
•
The change in the
Effective room operating mode
is event-driven, the event being
the moment when the button on the room unit is pressed.
•
The
Effective occupancy
or
Temporary Comfort mode
(both priority 3) can cause the
Effective room operating mode
to change again
Æ
last command wins.
Effective room operating
mode
