Kód tovaru: F1432
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Double Low-voltage PWM Controller & Double Sender: F&Home Radio rH-PWM2S2
View of the device

Double Low-voltage PWM Controller & Double Sender: F&Home Radio rH-PWM2S2
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The rH-PWM2S2 module is a double PWM controller integrated with a double transmitter. The module sends information to the system about the opening or closing of two contacts and controls two low voltage receivers powered from an external source (12 VDC).
The module has two electrical inputs for the connection of two monostable potential free contacts, as well as two outputs for the connection of 12 VDC receivers. The power regulation is performed by pulse width modulation (PWM). The frequency of the pulses is set in the range 100 Hz to 1 kHz. The communication with the server takes place by radio.
The rH-PWM2S2 module is particularly suitable for controlling LEDs, electromagnetic locks and low voltage actuators.
Symbol in design and configuration software:
The symbol of rH-PWM2S2
The rH-PWM2S2 module is represented by object that consists of two channels that read the power and time information from their inputs. The assigned algorithm limits the maximum power for each channel, and controls the connected devices (LEDs or other loads) in compliance with the start/stop times and attributed power levels. The confirmed status of each 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).
  • Make sure the 12 VDC power source is switched off.
  • Connect the wires according to the diagram above.
  • Place the module in a suitable installation box.
  • Adjust the antenna wire parallel to one of the server antennas, as far as possible from the other wires.
  • Switch on the power source.
  • Register the device in the system.
  • Close the installation box.
An example application:
In the diagram above, the F2106 module is used to switch on/off and alter scenes in two areas or rooms. A change is triggered by a momentary switch connected to the pins 1 or 3 of the module and executed by the first or second logical object. A change of the state at pins 2 or 4 switches off the relevant light scene. The F1430 module can control an RGB LED strip to change effective color of the light in the scene. The F1432 module can control the brightness of the light. This object is connected with the F2106 module. Momentary switches connected to its inputs can switch off the scenes.
A more advanced scheme for lighting control can be found in the Lighting control project article.

About the system:
Name F&Home Radio rH-PWM2S2
Code F1432
Power 12 VDC / 30 mA
RF communication band [MHz] 868
Communication mode
Data encryption YES
Open space range
100 m
Loads 2 x 4 A / 12 VDC
Smooth switching-on (increasing power from 0 to a set value)
0.2 s ... 30 s
PWM frequency
100 ... 1000 Hz  (step 100 Hz)
Inputs 2x (for potential free contacts, to "-")
Battery monitoring YES
Operating temperature range -20ºC ... 50ºC
Operating humidity / environment
<= 85% (no condensation of
water vapor) / no aggressive gasses
Protection measures against
overloading (overheating)
overvoltages on the receivers
Dimension [mm] 48x48x22
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.

Technické dáta

Name rH-PWM2S2 module
Product type , ,
System F&Home Radio
Transmission type
Frequency MHz 868
Aplikácie indoor
Number of relays 2
Relay parameters maximum current A 4
maximum voltage V 12
contact type PWM
Number of transmitters 2
Transmitter parameters contact current µA 250
voltage V 12
Receiver parameters 2 (LED)
PWM frequency Hz 100...1000
S 0.2...30
Power supply voltage VDC 12
Range m 100
Pracovná teplota °C -20...50
Humidity 0...85
Dimensions mm 48 × 48 × 22