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Siemens
RDG100.., RDG110.., RDG160T.. Basic Documentation
CE1P3181en
Building Technologies
Technical data
2015-07-29
Rated voltage
DC 24 V: connect G to + and G0 to -
SELV AC/DC 24 V
or
AC/DC 24 V class 2 (US)
Frequency
50/60 Hz
Power consumption
Max. 2 VA/1 W
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.
Fan control Q1, Q2, Q3-G0
Rating min, max resistive (inductive)
AC 24 V
AC 5 mA…5(4) A
Fans must NOT be connected in parallel!
Connect one fan directly, for additional fans, one relay for each speed.
Control outputs
Y11-G0 /Y21-G0 (NO)
RDG110U AC 24 V, AC 5 mA…5(3) A
No internal fuse.
External preliminary protection with max. C 10 A circuit breaker in the supply line
required under all circumstances.
Multifunctional inputs
X1-M/X2-M
Temperature sensor input
Type
Temperature range
Cable length
Digital input
Operating action
Contact sensing
Parallel connection of several
thermostats for one switch
Insulation against mains
D1-GND
Operating action
Contact sensing
Parallel connection of several
thermostats for one switch
NTC (3 k at 25 °C (77 °F))
0...49 °C (32…120°F)
Max. 80 m (262 feet)
Selectable (NO/NC)
DC 0…5 V, max. 5 mA
Max. 20 thermostats per
switch.
Do not mix with D1!
N/A, mains potential
Selectable (NO/NC)
SELV DC 6…15 V, 3…6 mA
Max. 20 thermostats per
switch.
Do not mix with X1/X2!
Function input
External temperature sensor, changeover
sensor, operating mode switchover contact,
dewpoint monitor contact, enable electric heater
contact, fault contact
Selectable
RDG110U
Power supply
Outputs
STOP
Note!
Inputs