Technical data

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Siemens RDG400KN Room thermostat with KNX communications CE1N3192en
Building Technologies 01 Jun 2010
The programming mode helps identify the thermostat in the KNX network during
commissioning.
Press the left and right buttons simultaneously for 6 sec to activate programming
mode, which is indicated on the display with "PrO
g
".
Programming mode remains active until the identification of the thermostat is
complete.
Use ETS3 Professional to assign the KNX group addresses of the RDG communi-
cation objects,.
Each device has a unique KNX serial number inside of the plastic housing.
An additional sticker with the same KNX serial number is enclosed in the packa-
ging box. This sticker is intended for installers for documentation purposes.
Disposal
This device is classified as waste electronic equipment under European Directive
2002/96/EC (WEEE) and may not be disposed of as unsorted municipal waste.
Adhere to all relevant national laws.
Regarding disposal, use the systems setup for collecting electronic waste.
Observe all local and applicable laws.
Technical data
Operating voltage SELV AC 24 V  20%
Frequency 50/60 Hz
Power consumption Max. 2 VA / 1 W
Control output Y10-G0
Resolution
Current
DC 0…10 V
39 mV
Max.  1 mA
Control output Y1, Y2-G
Rating
AC 24 V
Max. 1 A
Multifunctional inputs
X1-M
Temperature sensor input
Type
Digital input
Operating action
Contact sensing
U1-G0
Input for actual damper position feedback
damper position 0% (fully closed)
100% (fully open)
D1-GND
Operating action
Contact sensing
QAH11.1 (NTC)
Selectable (NO/NC)
DC 0…5 V, max. 5 mA
DC 0…10 V, max 0.3 mA
0…100%
Selectable (NO/NC)
SELV DC 6…15 V, 3…6 mA
Function of inputs
External temperature sensor, heating/cooling
changeover sensor, operating mode switchover
contact, dewpoint monitor contact, enable
electric heater contact, fault contact, monitoring
input
Selectable
X1: P38
D1: P42
Programming mode
Assign KNX group
addresses
KNX serial Number
Power supply
Outputs
Inputs