User Manual

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Siemens Wall-mounted sensors and room operator units for KNX/ETS and KNX/ACS CM2N1602en_06
Building Technologies ETS engineering 2019-04-08
5.4 Room operator unit visualization and
operation
The appropriate communication objects must be placed in the group address
after parameterization to display internal functions on the room operator unit.
Object no.
Name Description
QMX3.P34
QMX3.P74
QMX3.P37
1
Room temperature
Displays the value of the internal room temperature sensor
X
X
X
55
Room temperature,
setpoint absolute
Displays the Comfort setpoint that can be changed on the display.
X X X
56
Room temperature,
setpoint relative
X X X
58
Room operating mode,
preselection
Displays the room operating mode that can be changed on the display (Auto-Comfort-
PreComfort-Eco-Protection).
The present state is displayed in AUTO mode (Auto-Comfort-PreComfort-Eco-
Protection).
X X X
17
Comfort mode, timer
button
Object 17 activates comfort extension. The extension period can be configured. OR ...
... Object 63 activates the display and manual entry for occupancy or non-occupancy.
X X X
63
Occupancy: Button
X
X
X
68
Control mode
(heating/cooling/off)
Displays the symbols for the present control mode.
Off: No symbol is displayed.
X X X
18...21
Window state
Displays the symbol "Open window" (only during active PID control).
X
X
X
65 Fan, default value (%)
Displays the fan speed that can be changed on the display.
The value can also be received via bus when adjusted on another device.
X X X
66
Fan mode:
(Auto-Manual)
Displays the fan operating mode that can be changed on the display. The value can
also be received via bus when adjusted on another device.
X X X
67
Fan (%)
Displays the actual fan speed as reported to the bus by the actuator/controller.
X
X
X
25 Room humidity Provides the value of the internal CO
2
sensor to the bus.
X
38
CO
2
concentration
Provides the value of the internal room humidity sensor to the bus.
X
71
Room humidity:
Setpoint
Displays the Comfort setpoint that can be changed on the display. X X X
74
CO
2
concentration:
Setpoint
Displays the CO
2
setpoint that can be changed on the display. X X X
Other important group addresses for operation and display on room operator units via
communication objects:
53
Outside air temperature
Displays the value of an external outside temperature sensor.
X
X
X
69
Outside humidity
Displays the value of an external outside humidity sensor.
X
X
X
70
Room humidity
Displays the value of an external room humidity sensor.
X
X
73
Room CO
2
concentration
Displays the value of an external room CO
2
sensor. X X
When the absolute setpoint is displayed, only the heating setpoint is shown on the
display.
Note