Código: F2323
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The rH-D2S2 LR module integrates two dimmers and two potential free contact inputs. The module communicates wirelessly with the system (server) and controls two loads connected to 230 VAC power network. The range of the module is much longer (up to 300 m) than of the standard version (rH-D2S2 F2322).
The module has two physical inputs for connecting two monostable contacts and two connectors for attaching loads. The load can be resistive (incandescent lamps), inductive (AC motors and transformers) and capacitive (fluorescent lamps). Power control in the range of 0-100% is carried out on the basis of phase modulation, with switching off synchronized with zero crossings of the current.
Symbol in design and configuration software:
The rH-D2S2 LR module is represented by object that consists of two channels reading information about the state (on/off) and power level. The assigned algorithm limits the maximum power for each channel, and controls the connected devices (lamps or other loads) in compliance with the start/stop times and attributed power levels. The confirmed status of each dimmer channel is provided on its output as a feedback. The element also has two inputs and two outputs, separate for each physical input. Shorting or opening a contact changes the logic state at the corresponding output (0/1).
  • Switch off the AC line and make sure that there is no voltage.
  • Mount the module on DIN rail (TH 35 mm).
  • Connect the wires according to the diagram above.
  • Switch on the AC line.
  • Register the device in the system.
An example application:
In the diagram above, the F1302 and F2322 or F2323 dimmers allow the user to change scenes by pressing the first button on any of the modules, and switch off the scene with the second button. Depending on the set scene, the control program provides information about the brightness of the light from the lamps connected to the outputs of the modules.
A more advanced scheme for lighting control can be found in the Lighting control project article.
About the system:
Name F&Home Radio rH-D2S2 LR
Code F2323
Power 230 VAC / 50 Hz
Mounting DIN rail
RF communication band [MHz] 868
Communication mode
Data encryption YES
Open space range
300 m
Loads 2x 150 W (capacitive load)
2x 200 W (resistive load)
Smooth switching-on (increasing power from 0 to a set value)
0.2 s ... 30 s
Inputs 2x (for monostable contacts)
Open circuit voltage / closed-contact current [V / mA] 9 / 7
Galvanic isolation between AC power and control circuit Yes
Operating temperature range 0ºC ... 45ºC
Operating humidity / environment
<= 85% (no condensation of
water vapor) / no aggressive gasses
Protection measures
1 A current limiter;
overload (overheating)
Dimension [mm] 52.5 x 90 x 65
Ingress protection rating
IP 20


F&HOME RADIO integrates electrical installations in such a way that the processes of heating, air conditioning, ventilation, lighting, alarm and access control form one efficient system - all for the safety and comfort of the residents. With wireless two-way communication between the central unit (server) and both sensors and actuators, software solutions, as well as remote control of the system that can performed by the users in many ways, the system allows them to manage home energy resources in a manner appropriate to their needs.
In practice, this means the ability to integrate electrical appliances in such a way that a hand gesture can create a romantic light scene in the living room and bedroom, pull down the shutters or blinds and adjust the interior temperature, for example. The option of remote control via the Internet ensures that even after our return from a long journey we are welcomed by the house as if we have never left.


Nome Módulo rH-D2S2 LR
Tipo de Produto Transmissor, Relé, Dimmer
Sistema F&Home Radio
Montagem Calha DIN
Tipo de transmissão Bidirecional
Frequência MHz 868
Aplicações interior
Número de relés 2
Parâmetros de relé força maxima W 150 (para cargas capacitivas), 200 (para cargas resistivas)
Número de transmissores 2
Parâmetros do transmissor corrente de contato µA 7000
tensão V 9
Parâmetros do receptor número 2 (dimmers)
S 0.2...30
Fonte de energia tensão VAC 230
Gama m 300
Classificação de proteção IP20
Temperatura de operação °C 0...+45
Dimensões mm 52.5 × 90 x65