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Siemens RDG400KN Basic documentation CE1P3192en
Building Technologies Connection 20 Jul 2010
6. Connection
6.1 Connection terminals
SELV
GX1M
G0
Y1
U1
3192A01
CE+ CE
-
D1 GND
Y2Y10
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 Multifunctional input for temperature sensor (e.g.
QAH11.1) or potential-free switch
Factory setting: external temperature sensor
(function can be selected via parameters P38)
M Measuring neutral for sensors and switches
U1 DC 0…10 V input for actual damper position
(Note: G0 is the measuring neutral for U1!)
D1, GND Multifunctional input for potential-free switch.
Factory setting: Operating mode switchover contact
(function can be selected via parameters P42)
CE+ KNX data +
CE- KNX data –
6.2 Connection diagrams
Application
Single duct
Single-duct with
electric heater,
radiator or
heating / cooling
valve
N1 Room thermostat RDG400KN
V1 Damper actuator or VAV compact controller:
DC 0…10 V or 3-position
V2 Electric heater, radiator
or heating / cooling valve:
DC 0…10 V, 2-position, PWM or 3-position
S1 Switch (keycard, window contact, etc.)
r1 Feedback signal for actual damper position
S3 Switch at SELV input
(keycard, window contact)
B1 Temperature sensor (return air temperature,
external room temperature, changeover
sensor, etc.)
CE+ KNX data +
CE- KNX data –
G
G0
10 A
G
G0
AC 24 V
X1 M
U1
N1
r1
B1
S1
F
3192A02
CE+ CE-
KNX
D1
GND
S3
Y10
V1
1 mA max.
1 A max.
V1
1 A max.
V1
1 mA max.
V2
Y1 Y2
1 A max.
V1V2










