1. Introducción
This manual provides essential information for the safe and efficient installation, operation, and maintenance of the MEAN WELL MDR-40-24 DIN Rail Power Supply. Please read this manual thoroughly before using the product and retain it for future reference.
The MDR-40-24 is a 40W single output industrial DIN rail power supply, designed for installation on TS-35/7.5 or TS-35/15 standard DIN rails. It provides a stable 24V DC output with a current rating of 1.74A.
2. Instrucciones de seguridad
WARNING: Risk of electric shock and fire. Installation must be performed by qualified personnel only.
- Ensure the power supply is disconnected from the main AC input before any installation, wiring, or maintenance work.
- Do not operate the unit in environments with high humidity, extreme temperatures, or corrosive substances.
- Verifique que el volumen de entradatage range (90-264V AC) matches your local power supply.
- Asegure una conexión a tierra adecuada para evitar descargas eléctricas.
- No abra la casing de la fuente de alimentación. No contiene piezas que puedan ser reparadas por el usuario.
- Mantenga una ventilación adecuada alrededor de la unidad para evitar el sobrecalentamiento.
- Use conductors rated for at least 75°C.
- Terminal torque for connections should be 5 Lb-in.
3. Producto terminadoview
The MEAN WELL MDR-40-24 is a compact and efficient power supply designed for industrial control applications. Key features include:
- Universal AC input / Full range (90-264V AC)
- Protecciones: Cortocircuito / Sobrecarga / Sobrevoltajetage / Sobretemperatura
- Refrigeración por convección de aire libre
- Se puede instalar en carril DIN TS-35/7.5 o 15
- Indicador LED de encendido
- Contacto de relé DC OK
Figura 3.1: Frente view of the MDR-40-24 power supply, highlighting the input and output terminals, along with the product label detailing specifications and certifications.
Figura 3.2: Frente en ángulo view of the MDR-40-24, providing a clearer look at the terminal connections and the voltage potenciómetro de ajuste.
Figura 3.3: Posterior view of the MDR-40-24, illustrating the built-in clip mechanism for secure attachment to a DIN rail.
Figura 3.4: Ángulo de arriba hacia abajo view of the MDR-40-24, highlighting the ventilation slots designed for passive cooling.
4. Configuración e instalación
4.1 Montaje
- Ensure the main power is OFF before mounting.
- Mount the MDR-40-24 onto a standard TS-35/7.5 or TS-35/15 DIN rail.
- Ensure sufficient clearance (at least 10mm on top and bottom, 5mm on sides) for proper ventilation.
- The unit should be mounted vertically to allow for optimal heat dissipation through convection.
4.2 conexiones de cableado
Refer to the markings on the unit for correct terminal connections. Use appropriate wire gauges for the current rating.
- Input Terminals (AC):
- L: Live AC input
- N: Neutral AC input
: Tierra de protección
- Output Terminals (DC):
- +V: Positive DC output (24V)
- -V: Negative DC output (0V / Ground)
- Contacto de relé CC OK:
- Provides a signal indicating the DC output status. Refer to the product datasheet for detailed relay specifications.
Nota: Ensure all connections are secure and tightened to the specified torque of 5 Lb-in to prevent loose connections and potential hazards.
5. Instrucciones de funcionamiento
5.1 Encendido
- After completing all wiring connections, switch on the main AC power supply.
- The "DC OK" LED indicator on the front panel should illuminate, indicating normal operation.
5.2 volumen de salidatagy Ajuste
The MDR-40-24 features a potentiometer labeled "+V ADJ" on the front panel for fine-tuning the output voltage.
- Using a small screwdriver, carefully turn the potentiometer clockwise to increase the output voltage o en sentido contrario a las agujas del reloj para disminuirla.
- Supervisar el volumen de salidatage with a multimeter to ensure it is within the desired range and does not exceed the maximum safe operating voltage para sus dispositivos conectados.
Precaución: No ajuste el volumen de salidatage beyond the recommended range specified in the product datasheet to avoid damaging the power supply or connected equipment.
6. Mantenimiento
The MEAN WELL MDR-40-24 is designed for reliable operation and requires minimal maintenance.
- Limpieza: Periodically clean the exterior of the unit with a soft, dry cloth. Do not use liquid cleaners or solvents. Ensure the unit is powered off and disconnected before cleaning.
- Ventilación: Ensure that the ventilation openings are not obstructed by dust or debris. Clear any blockages to maintain proper airflow.
- Inspección: Inspeccione periódicamente las conexiones del cableado para comprobar que estén bien ajustadas y que no presenten signos de desgaste o daños.
- No hay piezas que el usuario pueda reparar: No intente abrir ni reparar la unidad. Encargue cualquier reparación a personal técnico cualificado.
7. Solución de problemas
| Problema | Posible causa | Solución |
|---|---|---|
| No DC output / DC OK LED off |
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| Vol de salidatage demasiado bajo/alto |
|
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| La unidad se está sobrecalentando |
|
|
8. Especificaciones
| Parámetro | Valor |
|---|---|
| Modelo | MDR-40-24 |
| Marca | Tener buenas intenciones |
| Vol de entrada de CAtage Rango | 90-264V AC |
| Vol de salidatage | 24 V CC |
| Corriente de salida | 1.74A |
| Potencia nominal | 40 W |
| Dimensiones (Ancho x Profundidad x Alto) | 40 x 90 x 100 mm |
| Tipo de montaje | DIN Rail (TS-35/7.5 or 15) |
| Frecuencia mínima | 50 Hz |
| Calificación actual | 1.74 Amps |
| Especificación cumplida | CE |
| Peso del artículo | 0.01 onzas (aprox. 0.28 gramos) |
9. Garantía y soporte
For warranty information and technical support, please contact your authorized MEAN WELL distributor or visit the official MEAN WELL websitio. Guarde su recibo de compra para reclamos de garantía.
MEAN WELL provides product documentation and support resources online. For the most up-to-date information, refer to the official product datasheet and user manuals available on the manufacturer's websitio.