Technical data

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Siemens RDG400KN Basic documentation CE1P3192en
Building Technologies Technical data 20 Jul 2010
8. 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
Interface type KNX, TP1-64
(electrically isolated)
Bus current 20 mA
Bus topology: See KNX manual (reference documentation, see below)
Switching differential, adjustable
Heating mode (P30)
Cooling mode (P31)
2 K (0.5...6 K)
1 K (0.5...6 K)
Setpoint setting and setpoint range
Comfort (P08)
Economy (P11-P12)
Protection (P65-P66)
21 °C (5…40 °C)
15 °C/30 °C (OFF, 5…40 °C)
8 °C/OFF (OFF, 5…40 °C)
Multifunctional inputs X1 / D1
Input X1 default value (P38)
Input D1 default value (P42)
Selectable (0...8)
1 (Ext. temperature sensor,
room or return air)
3 (Operating mode
switchover)
Built-in room temperature sensor
Measuring range
Accuracy at 25 °C
Temperature calibration range
0…49 °C
< ± 0.5 K
± 3.0 K
Settings and display resolution
Power supply
Outputs
Inputs
KNX bus
Operational data