Siemens RDG400 manual Engineering, 6.1Connection terminals

6 Engineering

6.1Connection terminals

G X1 M X2 D1 GND

G0

SELV

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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Siemens	RDG100, RDG100T, RDG110, RDG140, RDG160 Basic Documentation	CE1P3182en
Building Technologies	Engineering	28 May 2009