Electronic Spices 5V 2 Channel Relay Module User Manual

1. Introducció

This user manual provides essential information for the proper installation, operation, and maintenance of the Electronic Spices 5V 2 Channel Relay Module. This module is designed to control two independent high-power AC or DC devices using a low-voltage microcontroller signal. It features optocoupler isolation for enhanced safety and protection of your control circuit.

2. Producte acabatview

2.1 Característiques clau

• Nombre de canals: 2 independent relay channels.
• Vol. Operatiutage: 5V DC, compatible with Arduino, Raspberry Pi, and other microcontrollers.
• Màx. Actual: 20mA (trigger current).
• Trigger Voltage: 5V.
• Switching Voltage: Up to 250V AC at 10A or 30V DC at 10A.
• Optocoupler Isolation: Protects the microcontroller from voltage spikes and electrical noise.
• High-Current Relay: Equipped with robust relays for reliable switching.
• Freewheeling Diode: Integrated for microcontroller protection.
• Aplicacions: Suitable for home automation, industrial control panels, IoT projects, smart appliances, and remote switching.

2.2 Identificació de components

Refer to the diagram below for identification of the main components and connection points on the 2 Channel Relay Module.

Figura 1: A dalt view of the 2 Channel Relay Module with key components labeled. This includes the VCC, IN1, IN2, GND pins for control, JD-VCC and VCC for power selection, and the NO, COM, NC terminals for each relay.

Figura 2: A dalt view of the 2 Channel Relay Module, showing the two blue relays and terminal blocks.

Figura 3: A baix view of the 2 Channel Relay Module, showing the solder points and circuit traces.

3. Especificacions

4. Configuració i instal·lació

This section details the steps for connecting the 2 Channel Relay Module to your microcontroller and the device you wish to control.

4.1 Connexió a la font d'alimentació

• Connecteu el VCC pin of the relay module to the 5V output of your microcontroller (e.g., Arduino 5V).
• Connecteu el GND pin of the relay module to the GND of your microcontroller.
• Power Select Jumper (JD-VCC): The module has a jumper to select the power source for the relay coils.
  • If the jumper is installed (connecting JD-VCC to VCC), the relay coils are powered directly from the VCC pin, sharing power with the control logic. This is common for simple setups.
  • If the jumper is removed, you must provide a separate 5V power supply to the JD-VCC pin and connect its GND to the microcontroller's GND. This provides isolation between the control circuit and the relay coil power, which is recommended for sensitive applications or when the microcontroller's 5V supply cannot provide enough current for the relays.

4.2 Control Signal Connection

• Connecteu el IN1 pin of the relay module to a digital output pin on your microcontroller (e.g., Arduino Digital Pin 7).
• Connecteu el IN2 pin of the relay module to another digital output pin on your microcontroller (e.g., Arduino Digital Pin 8).
• A LOW signal (0V) on IN1 or IN2 will activate the corresponding relay, and a HIGH signal (5V) will deactivate it. This is due to the optocoupler and transistor driver circuit.

4.3 Connexió de càrrega

Each relay has three terminals: Normally Open (NO), Common (COM), and Normally Closed (NC).

• Normalment obert (NO): This terminal is open (no connection) when the relay is inactive and closes (connects to COM) when the relay is activated.
• Normalment tancat (NC): This terminal is closed (connected to COM) when the relay is inactive and opens (no connection) when the relay is activated.
• Comú (COM): This is the central terminal to which your load's power source or one side of the load is connected.

To connect a load (e.g., a light bulb):

• Disconnect power from the load before wiring.
• Connect one wire from your power source (e.g., live AC wire or positive DC wire) to the COM terminal of the desired relay.
• Connect one wire from your load (e.g., one side of the light bulb) to either the NO or NC terminal, depending on your desired default state.
  • Ús NO if you want the load to be OFF by default and turn ON when the relay is activated.
  • Ús NC if you want the load to be ON by default and turn OFF when the relay is activated.
• Connect the other side of your load to the neutral/return path of your power source.
• Assegureu-vos que totes les connexions estiguin segures i aïllades.

5. Instruccions de funcionament

The 2 Channel Relay Module is controlled by digital signals from a microcontroller.

• Quan a BAIXA signal (0V) is applied to an input pin (IN1 or IN2), the corresponding relay coil is energized, and the relay switches state. The indicator LED for that channel will illuminate.
• Quan a ALTA signal (5V) is applied to an input pin (IN1 or IN2), the corresponding relay coil is de-energized, and the relay returns to its default state. The indicator LED will turn off.

Example (Arduino):

// Define the relay control pins
const int relayPin1 = 7; // Connects to IN1
const int relayPin2 = 8; // Connects to IN2

void setup() {
  // Set the relay pins as output
  pinMode(relayPin1, OUTPUT);
  pinMode(relayPin2, OUTPUT);

  // Ensure relays are off initially (HIGH signal for inactive state)
  digitalWrite(relayPin1, HIGH);
  digitalWrite(relayPin2, HIGH);
}

void loop() {
  // Activate Relay 1 (turn ON load connected to NO)
  digitalWrite(relayPin1, LOW);
  delay(2000); // Keep ON for 2 seconds

  // Deactivate Relay 1 (turn OFF load connected to NO)
  digitalWrite(relayPin1, HIGH);
  delay(1000); // Wait for 1 second

  // Activate Relay 2 (turn ON load connected to NO)
  digitalWrite(relayPin2, LOW);
  delay(2000); // Keep ON for 2 seconds

  // Deactivate Relay 2 (turn OFF load connected to NO)
  digitalWrite(relayPin2, HIGH);
  delay(1000); // Wait for 1 second
}

6. Manteniment

The Electronic Spices 2 Channel Relay Module is designed for reliable operation with minimal maintenance.

• Mantenir net: Ensure the module is free from dust, dirt, and moisture. Use a soft, dry brush or compressed air for cleaning.
• Condicions ambientals: Operate the module within its specified temperature and humidity ranges. Avoid extreme conditions.
• Inspeccionar connexions: Reviseu periòdicament totes les connexions del cablejat per assegurar-vos que estiguin ben fixades i que no presentin corrosió.
• Evita la sobrecàrrega: No supereu la intensitat i el volum màximstage ratings for the relay contacts. Overloading can damage the relays and reduce their lifespan.
• Power Off Before Servicing: Always disconnect power from both the control circuit and the load before performing any maintenance or wiring changes.

7. Solució De Problemes

8. Garantia i Suport

This Electronic Spices product is typically covered by a Política de substitució de 10 dies from the date of purchase, subject to the retailer's terms and conditions. Please retain your proof of purchase for any warranty claims.

For technical support or inquiries, please contact Electronic Spices directly:

• Fabricant / importador: Espècies electròniques
• Adreça: Main, Ismailpur Rd, near Gyan Mandir Chowk, F- Block, Jaitpur, New Delhi, Haryana 110044, India
• Telèfon: 8929992403

També podeu visitar el Electronic Spices Store on Amazon per obtenir més informació sobre el producte i assistència.