Local Control Of Room Operating Mode Via Presence Detector - Siemens Desigo RXB Technical Manual

Priorities
Presence
detector
Note
Effective room operating
mode
58/140
Siemens
Building Technologies
Possible states are:
Room operating mode
Comfort
Precomfort
Economy
Protection
• The room operating modes Comfort , Precomfort and Economy have priority 3 fro the
room controller, i.e. they can be changed by a presence detector or room unit.
• The Protection room operating mode has priority 1, i.e. presence detector and room
units are disabled.
5.5.4 Local control of room operating mode via presence
detector
Local
Central (ACS)
Controller
Prio
Central
(Synco controller)
DI
DI
PPS2
The presence detector is connected directly to a digital input of the room controller (see
page 102).
Master/slave applications:
LTE mode does not allow for communicating to the master the slave's presence
detector state.
The table below shows the two possible occupancy states and the resulting Effective
room operating modes.
Switching state
Occupied
(people enter room)
Unoccupied
(people leave room)
Key: Occupied means: "changes to occupied ".
RXB (KNX) Applications library
Room operating modes
Effective room operating mode of room controller
Comfort
Precomfort
Economy
Protection
A presence detector detects the presence of people
in a room.
0.
1.
1.
2.
3.
3.
3.
Effective room operating mode
Comfort
Precomfort if room operating mode = Comfort or
Precomfort
Economy if room operating mode = Economy
CLC and RAD description of functions for CC-02 CM110384en_03
28 Feb 2009