Introdución
This manual provides essential information for the safe and efficient installation, operation, and maintenance of the MEAN WELL RD-65A Dual Output Switching Power Supply. Please read this manual thoroughly before using the product and retain it for future reference.
Figure 0: MEAN WELL RD-65A Dual Output Switching Power Supply.
The RD-65A is a 66W dual output power supply designed for various electronic applications, providing stable 5V and 12V DC outputs.
Características do produto
- Entrada de CA universal / Rango completo
- Proteccións: Cortocircuíto / Sobrecarga / Sobrevoltage
- Refrixeración por convección de aire libre
- Indicador LED para acendido
- Proba de combustión 100% a carga completa
- Todos utilizan condensadores electrolíticos de longa vida de 105 ° C
- Soporta entrada de sobretensión de 300 VCA durante 5 segundos
- Alta temperatura de funcionamento ata 70 °C
- Soporta proba de vibración 5G
- Alta eficiencia, longa vida e alta fiabilidade
- 3 anos de garantía
Especificacións
Output Characteristics (RD-65A)
| Número de saída | CH1 | CH2 |
|---|---|---|
| DC Voltage | 5V | 12 V |
| Corrente nominal | 6A | 3A |
| Rango actual | 0.3 - 6A | 0.2 - 3A |
| Potencia nominal | 66 W | |
| Ripple e ruído (máx.) | 120 mVp-p | 120 mVp-p |
| Voltage ADJ. Range | CH1: 4.75 - 5.5V | |
| Voltage Tolerancia | ± 2.0 % | ± 6.0 % |
| Regulamento da liña | ± 0.5 % | ± 1.0 % |
| Regulación de carga | ± 1.0 % | ± 3.0 % |
| Configuración, tempo de ascenso | 500 ms, 20 ms/230 VCA; 1200 ms, 20 ms/115 VCA a plena carga | |
| Hold Up Time (typ.) | 80 ms/230 VCA; 14 ms/115 VCA a plena carga | |
Características de entrada
| Característica | Valor |
|---|---|
| Voltage Alcance | 88 ~ 264VAC; 125 ~ 373VDC (Withstand 300VAC surge for 5sec. Without damage) |
| Rango de frecuencias | 47 ~ 63Hz |
| Eficiencia (típ.) | 78 % |
| Corrente AC (típ.) | 2A/115VAC; 1.2A/230VAC |
| Corrente de arranque (típ.) | ARRANQUE EN FRÍO 40A/230VAC |
| Corrente de fuga | <2 mA/240 VCA |
Protección
| Tipo | Descrición |
|---|---|
| Sobrecarga | 105 ~ 160% rated output power. Protection type: Hiccup mode, recovers automatically after fault condition is removed. |
| Máis de Voltage | CH1: 5.75 ~ 6.75V. Protection type: Hiccup mode, recovers automatically after fault condition is removed. |
Environmental & Safety
| Característica | Valor |
|---|---|
| Temp. de traballo. | -25 ~ +70°C (Refer to "Derating Curve") |
| Humidade de traballo | 20 ~ 90% RH sen condensación |
| Temp. De almacenamento, humidade | -40 ~ +85 °C, 10 ~ 95 % RH |
| Temp. Coeficiente | ±0.03%/°C (0 ~ 50°C) on 5V output |
| Vibración | 10 ~ 500 Hz, 5G 10 min./1 ciclo, período de 60 min. cada un ao longo dos eixes X, Y, Z |
| Normas de seguridade | UL60950-1, TUV EN60950-1 approved |
| Resistir Voltage | I/P-O/P:3KVAC; I/P-FG:1.5KVAC; O/P-FG:0.5KVAC |
| Resistencia de illamento | I/P-O/P, I/P-FG, O/P-FG: >100M Ohms / 500VDC / 25°C / 70% RH |
| EMI Emission | Conformidade a EN55022 (CISPR22) Clase B, EN61000-3-2,-3 |
| EMI Immunity | Compliance to EN61000-4-2,3,4,5,6,8,11, EN61000-6-2 (EN50082-2), heavy industry level, criteria A |
| MTBF | Mínimo 265.9 000 horas MIL-HDBK-217F (25 °C) |
Dimensións físicas
- Dimensións do artigo L x W x H: 5.08 x 3.86 x 1.5 polgadas (129 x 98 x 38 mm)
- Peso do artigo: 5 Grams (Note: This weight seems unusually low for a power supply of this type. Please verify with product packaging.)
- Embalaxe: 0.7 kg; 20 unidades/14.7 kg/1.72 CUFT
Configuración e instalación
Instalación mecánica
The power supply should be mounted in a location that allows for adequate air circulation for cooling. Refer to the mechanical drawing for dimensions and mounting hole positions.
Figure 1: Mechanical dimensions and mounting points for the RD-65A power supply. Dimensions are in millimeters.
Ensure the power supply is securely mounted to prevent movement or vibration during operation.
Conexións de cableado
Connect the input and output wires according to the terminal pin assignments. Ensure all connections are secure and properly insulated to prevent short circuits.
| Pin No. | Asignación | Pin No. | Asignación |
|---|---|---|---|
| 1 | AC / L | 4,5 | SAÍDA DC COM |
| 2 | AC / N | 6 | SAÍDA DC +V2 |
| 3 | FG | 7 | SAÍDA DC +V1 |
Conexións de entrada:
- Connect the AC Live wire to Pin 1 (AC/L).
- Connect the AC Neutral wire to Pin 2 (AC/N).
- Connect the Frame Ground (FG) to Pin 3. This connection is crucial for safety.
Conexións de saída:
- Connect the common ground for DC outputs to Pins 4 and 5 (DC OUTPUT COM).
- Connect the +12V DC output to Pin 6 (DC OUTPUT +V2).
- Connect the +5V DC output to Pin 7 (DC OUTPUT +V1).
Note: Always ensure the power supply is disconnected from the AC mains before making any wiring connections.
Instrucións de funcionamento
Once the power supply is correctly installed and wired, it is ready for operation. The RD-65A is designed for continuous operation within its specified limits.
Encendido/apagado
Connect the AC input to a suitable power source. The LED indicator on the unit will illuminate, indicating that the power supply is active and providing output voltage.
To turn off the power supply, disconnect the AC input from the power source.
Diagrama de bloques rematadoview
Figure 2: Internal block diagram of the RD-65A power supply.
The block diagram illustrates the internal functional stages:
- EMI Filter: Reduces electromagnetic interference from the AC input.
- Rectifiers & Filter: Converts AC input to DC voltage.
- Conmutación de enerxía: High-frequency switching to regulate the output voltage.
- Control: Monitors and regulates the output, including Over Load Protection (O.L.P.) and Over Voltage Protection (O.V.P.) circuits.
- Output Rectifiers & Filter: Converts the switched voltage back to stable DC outputs (+V1, +V2, COM).
The power supply is designed to operate efficiently and reliably within its specified load and environmental conditions.
Curva de desvalorización
The derating curve indicates the maximum permissible output load as a function of ambient temperature and input voltage. Operating the power supply within these curves ensures optimal performance and longevity.
Figure 3: Output Derating Curve vs. Ambient Temperature and Input Voltage.
- Ambient Temperature Derating: As the ambient temperature increases, the maximum allowable output load decreases. Ensure adequate ventilation to maintain the temperature within safe operating limits.
- Vol. De entradatage Derating: The power supply can deliver full rated power across its specified input voltage range. However, for prolonged operation at the lower end of the input voltage range, it is advisable to refer to the input voltage curva de derating.
Exceeding these limits can lead to reduced lifespan or damage to the unit.
Precaucións de seguridade
To ensure safe operation and prevent damage to the power supply or connected equipment, observe the following precautions:
- Seguridade eléctrica: Always disconnect the AC input power before performing any installation, wiring, or maintenance. Ensure proper grounding (FG) is established.
- Ventilación: Do not obstruct the ventilation holes. Ensure sufficient airflow around the unit to prevent overheating.
- Ambiente: Operate the power supply within the specified temperature and humidity ranges. Avoid exposure to moisture, dust, and corrosive substances.
- Capacidade de carga: Do not exceed the rated output power or current for each channel. Overloading can trigger protection mechanisms or cause damage.
- Características de protección: The unit includes short circuit, overload, and over voltage protections. While these protect the unit, continuous triggering of these protections should be avoided. Investigate and resolve the cause of any protection activation.
- Persoal cualificado: A instalación e o mantemento só deben ser realizados por persoal cualificado.
Resolución de problemas
If the power supply is not functioning as expected, consider the following common issues and solutions:
- Sen saída Voltage / LED Off:
- Check if the AC input power is connected and active.
- Verifique o vol de entradatage está dentro do intervalo especificado (88-264 VCA).
- Inspect input fuses (if external).
- Vol. De saídatage Fluctuating or Low:
- Ensure the load connected does not exceed the rated output current or power.
- Check for loose wiring connections at the output terminals.
- Verify the ambient temperature is within the operating range and ventilation is adequate.
- A unidade apágase:
- This may indicate activation of overload or over voltage protection. Disconnect the load and re-apply power. If it operates normally, the issue is with the load.
- Check for short circuits in the output wiring or connected device.
- Ensure the unit is not overheating due to insufficient ventilation or high ambient temperature.
If the problem persists after checking these points, contact qualified service personnel or MEAN WELL support.
Mantemento
The MEAN WELL RD-65A power supply is designed for long-term, reliable operation with minimal maintenance. However, periodic checks can help ensure its longevity:
- Limpeza: Periodically clean the exterior of the unit to prevent dust accumulation, especially around ventilation openings. Use a soft, dry cloth. Do not use liquid cleaners.
- Comprobacións de conexión: Occasionally inspect all wiring connections for tightness and signs of corrosion or damage.
- Seguimento ambiental: Asegúrese de que o ambiente de funcionamento se manteña dentro dos límites de temperatura e humidade especificados.
No user-serviceable parts are inside. Do not attempt to open or repair the unit yourself. Refer all servicing to qualified personnel.
Garantía e Soporte
The MEAN WELL RD-65A Dual Output Switching Power Supply is generally covered by a 3 ano de garantía from the date of purchase, ensuring high quality and reliability.
For technical support, warranty claims, or service inquiries, please contact your authorized MEAN WELL distributor or reseller. Provide your product model number (RD-65A) and purchase details when seeking assistance.
For more information, you may visit the official MEAN WELL websitio.
