Engineering; Connection Terminals - Siemens RDG400 Basic Documentation

G X1 M X2
G0
Siemens
Building Technologies
6

Engineering

6.1

Connection terminals

D1 GND
SELV
RDG100, RDG100T, RDG110, RDG140, RDG160 Basic Documentation
Engineering
G, G0 Operating voltage AC 24 V
Y10/G0 Control output for DC 0...10 V actuator
Y1/G, Y2/G Control output for 2-position, 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
M Measuring neutral for sensor and switch
D1, GND Multifunctional input for potential-free switch.
Factory setting: Operating mode switchover contact
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CE1P3182en
28 May 2009