Código: F1104
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The rH-S4T module is designed to connect four monostable switches with potential free contacts. The module sends wirelessly information on each contact state (open/closed) to the server. Typical applications: control of lighting or lighting scene, control of shutters/blinds. Additionally, the module incorporates digital temperature sensor. The measurement of the ambient temperature is performed every 30 seconds, and the reading is sent to the server either after the temperature has changed or 5 minutes have passed since the last transmission. This way, the module is used for temperature control in a room.
Symbol in design and configuration software:
The rH-S4T module is represented by object that consists of four channels reading information about the state (on/off) of the connected contacts. Shorting or opening a contact changes the logic state at the corresponding output (1/0). Additionally, the object has tº output (displays the latest ambient temperature value).
  • Insert an appropriate battery in accordance with the polarity shown and close the cover.
  • Connect the rH-S4T wires with contacts of four monostable switches (see the diagram above).
  • Mount the switches and module in installation box(es) located in suitable place(es).
  • Adjust the antenna wire parallel to one of the server antennas, as far as possible from the other wires.
  • Register the device in the system.
An example application:
The transmitter wirelessly provides logic states used e.g. to control power relays in the system.
In the diagram above, the four-channel F1104 transmitter determines the state of the four outputs of the 5-channel F2250 relay. The closing of the first contact switches on the the lamp no. 1, of the second - the lamp no. 2 etc. The opening of a contact switches off the corresponding lamp, so in this simple example the user should press the required button as long as needed. In order to switch on and off a lamp alternately, a logical flip-flop trigger (D-type) should be implemented between the modules (the transmitter and relay). Additionally, the tº output can be used to control a heater, air conditioning system etc.
A more advanced scheme for lighting control can be found in the Lighting control project article.

About the system:
Name F&Home Radio rH-S4T
Code F1104
Battery CR123 (lithium) or SL861/S
Battery lifetime
12 - 36 months
RF communication band [MHz] 868
Communication mode one-way with ack
Data encryption YES
Open space range 100 m
Inputs 4x (for monostable contacts)
Open circuit voltage [V]
Closed-contact current [µA] 250
Battery monitoring
Temperature measurement range
-30ºC ...+65ºC
Temperature measurement resolution
Operating temperature range +10ºC ... +40ºC for CR123A battery
-30ºC ... +40ºC for SL861/S battery
Operating humidity / environment <= 85% (no condensation of water vapor / no aggressive gasses
Dimensions [mm] 51x37x20
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-S4T
Tipo de Produto Transmissor
Sistema F&Home Radio
Montagem Caixa de entrada
Tipo de transmissão Bidirecional
Frequência MHz 868
Aplicações interior
Número de transmissores 4
Parâmetros do transmissor corrente de contato µA 250
tensão V 3
Fonte de energia bateria CR123 (lithium) ou SL861/S
Sensor de temperatura faixa °C -30 ...+65
resolução °C
Gama m 100
Classificação de proteção IP20
Temperatura de operação °C +10°C, +40°C para baterias CR123A, -30ºC, +40ºC para baterias SL861/S
Humidade 0...85
Dimensões mm 51 × 37 × 20