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Siemens RDG400 Basic Documentation CE1P3182en
Building Technologies 2015-05-20
6 Engineering
6.1 Connection terminals
G X1 M X2 D1 GND
G0
G, G0 Operating voltage AC 24 V
Y10/G0 Control output for DC 0…10 V actuator
Y1/G, Y2/G Control output for On/Off, PWM or 3-position actuators
X1, X2 Multifunctional input for temperature sensor (e.g. QAH11.1)
or potential-free switch
Factory setting:
- X1 = external room temperature sensor
- X2 = sensor or switch for automatic heating/
cooling changeover
Change of setting: Parameters P38, P40
M Measuring neutral for sensor and switch
D1, GND Multifunctional input for potential-free switch.
Factory setting: Operating mode switchover contact
Change of setting: Parameter P42
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