Basic Documentation

30 / 46
Siemens Wall-mounted sensors and room operator units for KNX/ETS and KNX/ACS CM2N1602en_07
Smart Infrastructure ETS engineering 2020-06-20
Obj. Object name Function Type / Length Flags
QMX3.P30 QMX3.P40 QMX3.P70 QMX3.P34 QMX3.P44 QMX3.P74 QMX3.P02 QMX3.P37
HMI displays and operation of values and functions
53 Outside temperature [°C] Dis play outside tem perature (°C)
9.001
2 bytes
CWU
X X X X
55 Room temperature: Setpoint absolute [°C]
9.001
2 bytes
CRWTU
X X X X
56 Room temperature: Setpoint relative [K]
9.002
2 bytes
CWTA
X X X X
58 Room operating mode: Preselection
20.102
1 byte
CRWTU
X X X X
62 Window State
1.019
1 bit
CWU
X X X X
63 Presencen button
1.001
1 bit
CRWTU
X X X X
65 Fan speed: Preselection [%]
5.001
1 byte
CRWTU
X X X X
66 Fan operation (0 = Auto / 1 = Manual) (0=Auto / 1=Manual)
1.003
1 bit
CRWTU
X X X X
67 Fan speed [%]
5.001
1 byte
CWU
X X X X
68 Controller mode (heating/cooling/off)
20.105
1 byte
CWU
X X X X
69 Outside relative humidity [%]
9.007
2 bytes
CWU
X 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 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 X
75 HVAC operation: Lock
1.011
1 bit
CRWU
X 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 addres s to dis play symbols.
Displays pres ent controller state (heating or cooling) with s ymbols .
No symbol is displayed in the off state.
Units with display: Must be placed in a group address to display s ymbols .
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 dis play (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 dis plays 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 dis play for occupancy and non-occupancy.
Units with display: Must be placed in a group address to display s ymbols .
Displays the value of an external room CO
2
sensor on the dis play.
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
- s tage 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 hum idity sensor value is comm unicated via object 25; QMX3.P74.
Display and operate the room hum idity s etpoint 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