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Siemens
Wall-mounted sensors and room operator units for KNX/ETS and KNX/ACS
CM2N1602en_05
Building Technologies
ETS engineering
2018-09-14
Obj. Object name
Function
Type / Length Flags
Q
MX3
.P3
0
Q
MX3
.P4
0
Q
MX3
.P7
0
Q
MX3
.P3
4
Q
MX3
.P7
4
Q
MX3
.P0
2
Q
MX3
.P3
7
HMI displays and operation of values and functions
53 Outside temperature [°C]
Display outside temperature (°C)
9.001
2 bytes
CWU
X
X
X
55 Room temperature: Setpoint absolute [°C]
9.001
2 bytes
CRWTU
X
X
X
56 Room temperature: Setpoint relative [K]
9.002
2 bytes
CWTA
X
X
X
58 Room operating mode: Preselection
20.102
1 byte
CRWTU
X
X
X
62 Window State
1.019
1 bit
CWU
X
X
X
63 Presencen button
1.001
1 bit
CRWTU
X
X
X
65 Fan speed: Preselection [%]
5.001
1 byte
CRWTU
X
X
X
66 Fan operation (0 = Auto / 1 = Manual)
(0=Auto / 1=Manual)
1.003
1 bit
CRWTU
X
X
X
67 Fan speed [%]
5.001
1 byte
CWU
X
X
X
68 Controller mode (heating/cooling/off)
20.105
1 byte
CWU
X
X
X
69 Outside relative humidity [%]
9.007
2 bytes
CWU
X
X
X
70 Room relative humidity [%]
% r.h.
9.007
2 bytes
CWU
X
X
71 Room relative humidity: Setpoint [%]
% r.h.
9.007
2 bytes
CRWTU
X
X
X
73 Room CO
2
concentration [ppm]
0 - 2000 ppm / symbol / text
9.008
2 bytes
CWU
X
X
74 Room CO
2
concentration: Setpoint [ppm]
ppm
9.008
2 bytes
CRWTU
X
X
X
75 HVAC operation: Lock
1.011
1 bit
CRWU
X
X
X
Lock or enable all 8 operating buttons for the display via the bus.
The following symbol is displayed: A locked lock.
The buttons for lighting, blinds, and scenes are always enabled (QMX3.P37 and QMX3.P02).
Object 65 displays the fan speed that can be changed on the display or bus.
Obj. 66 displays the fan operating mode that can be changed on the display or bus.
Obj. 67 displays the actual fan speed as reported to the bus by the actuator/controller.
Units with display: Objects must be placed in a group address to display symbols.
Displays present controller state (heating or cooling) with symbols.
No symbol is displayed in the off state.
Units with display: Must be placed in a group address to display symbols.
External outside temperature sensor value
Units with display: Must be placed in a group address to display the value.
Comfort setting that can be edited on the display
Units with display: Must be placed in a group address to display the value.
Displays the room operating mode that can be changed on the display (Auto-Comfort-Precomfort-Eco-Protection).
The present operating mode is displayed in AUTO mode.
Units with display: Must be placed in a group address to display the value.
This object displays the state of a window contact for
disenabled
PID control.
For
enabled
PID control, see objects 18, 19, 20, 21.
Display and manual entry on display for occupancy and non-occupancy.
Units with display: Must be placed in a group address to display symbols.
Displays the value of an external room CO
2
sensor on the display.
Units with display: Must be placed in a group address to display the values.
Note: The value of the internal room CO2 sensor is communicated via object 38; QMX3.P74
Display and operate the room CO
2
concentration setpoint on the display.
Units with display: Must be placed in a group address to display the values.
Overrides switching point CO
2
- stage 1 (object 26).
These objects display values from external sensors (room/outside) on the display.
Units with display: Must be placed in a group address to display the values.
Note: The internal humidity sensor value is communicated via object 25; QMX3.P74.
Display and operate the room humidity setpoint on the display.
Units with display: Must be placed in a group address to display the values.
This overrides switching point r.h. - stage 1 (object 26).
Devices
