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Siemens
RDU341 Basic Documentation
CE1P3172en
Building Technologies
2015-06-08
8. Technical
data
Power supply
Operating voltage
DC 24 V: connect G to + and G0 to -
SELV AC 24 V / DC 24 V
or
AC 24 V / DC 24 V class 2 (US)
Rated voltage
AC 24 V
Frequency
50/60 Hz
Power consumption
Max. 2.5 VA / 0.9 W
External supply line protection (EU)
Circuit breaker max. 10 A
Characteristic B, C, D
according to EN 60898
or
Power source with current
limitation of max. 10 A
No internal fuse.
External preliminary protection with max. C 10 A circuit breaker in the
supply line required under all circumstances.
Outputs
Control output Y21-N (N.O.)
Rating
AC 230 V
Max. 5(2) A
Control output Y10-G0
Resolution
Current
SELV DC 0…10 V
39 mV
Max.
±
1 mA
Inputs
Multifunctional input X1-M/X2-M
Temperature sensor input:
Type
Digital input:
Operating action
Contact sensing
Insulation against mains voltage (SELV)
QAH11.1 (NTC)
Selectable (N.O./N.C.)
SELV DC 0...5 V/max 5 mA
4 kV, reinforced insulation
Function input:
External temperature sensor, heating/cooling
changeover sensor, operating mode
switchover contact, dew point monitor
contact, enable electric heater contact, fault
contact, monitor input
Selectable
X1: P38
X2: P40
KNX bus
Interface type
KNX, TP1-64
(electrically isolated)
Bus current
20 mA
Bus topology: See KNX manual (see section 1.2)
Operational data
Switching differential, adjustable
Heating mode (P30)
Cooling mode (P31)
2 K (0.5...6K)
1 K (0.5...6K)
Setpoint setting and 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 input X1/X2
Input X1 default value (P38)
Input X2 default value
(P40)
Selectable 0...8
3 (Operating mode
switchover)
1 (External temperature sensor)