Siemens RDU340 - 8 Technical data; 8.1 Power supply; 8.2 Outputs; 8.3 Inputs

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Siemens RDU340… Basic Documentation CE1P3078en
Building Technologies Technical data 2014-11-03
8 Technical data
Operating voltage SELV AC 24 V ± 20 %
or
AC 24 V class 2 (UL)
Frequency 50/60 Hz
Power consumption Max. 8 VA
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
required in all cases
Control output Y10-G0
Resolution
Current
SELV DC 0…10 V
39 mV
Max. ±1 mA
Control output Y21-L (N.O.)
Rating
AC 230 V
5 mA…5(2) A
No internal fuse
External preliminary protection with max. C 10 A circuit breaker in the supply line
required under all circumstances
Multifunctional input X1-M/X2-M
Temperature sensor input: Type
Digital input: Operating
action
Contact sensing
Insulation against mains voltage (SELV)
NTC (3 kW at 25 °C)
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, dewpoint
monitor contact, enable electrical heater contact, alarm
contact
Selectable
Switching differential, adjustable
Heating mode (P30)
Cooling mode (P31)
2 K (0.5...6K)
1 K (0.5...6K)
Setpoint setting and range
Comfort mode (P08)
Energy Saving mode (P11-P12)
Standby (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
Input X2
Selectable 0…6
3: (P38) operating mode
switchover
2: (P40) heating/cooling
changeover sensor
Multifunctional input X1/X2 Selectable 0…6
Input X1 Factory setting = 3 (P38)
Input X2 Factory setting = 2 (P40)
Operating mode switchover
Heat/cool changeover sensor
Power supply
Warning
Outputs
Warning
Inputs
Operational data