Introduction
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.
Caractéristiques du produit
- Entrée CA universelle / Gamme complète
- Protections : Court-circuit / Surcharge / Surtensiontage
- Refroidissement par convection d'air libre
- Indicateur LED pour la mise sous tension
- Test de rodage à 100 % de pleine charge
- Tous utilisant des condensateurs électrolytiques à longue durée de vie de 105 ° C
- Résiste à une surtension de 300 VCA pendant 5 secondes
- Température de fonctionnement élevée jusqu'à 70°C
- Résiste au test de vibration 5G
- Haute efficacité, longue durée de vie et haute fiabilité
- Garantie 3 ans
Caractéristiques
Output Characteristics (RD-65A)
| Numéro de sortie | CH1 | CH2 |
|---|---|---|
| Vol CCtage | 5V | 12V |
| Courant nominal | 6A | 3A |
| Gamme de courant | 0.3 - 6A | 0.2 - 3A |
| Puissance nominale | 66 W | |
| Ondulation et bruit (max.) | 120 mVp-p | 120 mVp-p |
| Voltage ADJ. Range | CH1: 4.75 - 5.5V | |
| Voltage Tolérance | ±2.0% | ±6.0% |
| Régulation de la ligne | ±0.5% | ±1.0% |
| Régulation de charge | ±1.0% | ±3.0% |
| Configuration, temps de montée | 500 ms, 20 ms/230 VCA ; 1200ms, 20ms/115VAC à pleine charge | |
| Hold Up Time (typ.) | 80 ms/230 VCA ; 14 ms/115 VCA à pleine charge | |
Caractéristiques d'entrée
| Caractéristiques | Valeur |
|---|---|
| Voltaget gamme | 88 ~ 264VAC; 125 ~ 373VDC (Withstand 300VAC surge for 5sec. Without damage) |
| Gamme de fréquences | 47 ~ 63Hz |
| Efficacité (typique) | 78% |
| Courant alternatif (typ.) | 2A/115 VCA ; 1.2A/230 VCA |
| Courant d'appel (typ.) | DÉMARRAGE À FROID 40A / 230VAC |
| Courant de fuite | < 2 mA / 240 VCA |
Protection
| Taper | Description |
|---|---|
| Surcharge | Puissance de sortie nominale : 105 à 160 %. Type de protection : mode de reprise automatique après la disparition du défaut. |
| Plus de voltage | CH1: 5.75 ~ 6.75V. Protection type: Hiccup mode, recovers automatically after fault condition is removed. |
Environmental & Safety
| Caractéristiques | Valeur |
|---|---|
| Température de fonctionnement | -25 à +70 °C (voir « Courbe de déclassement ») |
| Humidité de travail | 20 ~% 90 HR sans condensation |
| Température de stockage, humidité | -40 ~ +85°C, 10 ~ 95% HR |
| Temp. Coefficient | ±0.03%/°C (0 ~ 50°C) on 5V output |
| Vibration | 10 ~ 500 Hz, 5 G 10 min/1 cycle, période de 60 min chacun le long des axes X, Y, Z |
| Normes de sécurité | Homologué UL60950-1 et TÜV EN60950-1 |
| Résister au voltage | Entrée/Sortie : 3 kV CA ; Entrée/Sortie : 1.5 kV CA ; Sortie/Sortie : 0.5 kV CA |
| Résistance d'isolement | I/P-O/P, I/P-FG, O/P-FG: >100M Ohms / 500VDC / 25°C / 70% RH |
| Émission EMI | Conformité à EN55022 (CISPR22) Classe 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 | 265.9Khrs min. MIL-HDBK-217F (25°C) |
Dimensions physiques
- Dimensions de l'article L x l x H : 5.08 x 3.86 x 1.5 pouces (129 x 98 x 38 mm)
- Poids de l'article : 5 grammes (Note: This weight seems unusually low for a power supply of this type. Please verify with product packaging.)
- Emballage: 0.7 kg ; 20 pièces/14.7 kg/1.72CUFT
Configuration et installation
Installation mécanique
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.
Connexions de câblage
Connect the input and output wires according to the terminal pin assignments. Ensure all connections are secure and properly insulated to prevent short circuits.
| Broche | Affectation | Broche | Affectation |
|---|---|---|---|
| 1 | CA/L | 4,5 | SORTIE CC COM |
| 2 | CA/N | 6 | SORTIE CC +V2 |
| 3 | FG | 7 | SORTIE CC +V1 |
Connexions d'entrée :
- 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.
Connexions de sortie:
- 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.
Mode d'emploi
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.
Marche/Arrêt
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.
Diagramme en blocs terminéview
Figure 2: Internal block diagram of the RD-65A power supply.
The block diagram illustrates the internal functional stagen:
- Filtre EMI : Reduces electromagnetic interference from the AC input.
- Rectifiers & Filter: Converts AC input to DC voltage.
- Commutation de puissance : High-frequency switching to regulate the output voltage.
- Contrôle: 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.
Courbe de déclassement
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 d'entréetage 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 voltagLa courbe de déclassement.
Exceeding these limits can lead to reduced lifespan or damage to the unit.
Précautions de sécurité
To ensure safe operation and prevent damage to the power supply or connected equipment, observe the following precautions:
- Sécurité électrique : Always disconnect the AC input power before performing any installation, wiring, or maintenance. Ensure proper grounding (FG) is established.
- Ventilation: Do not obstruct the ventilation holes. Ensure sufficient airflow around the unit to prevent overheating.
- Environnement: Operate the power supply within the specified temperature and humidity ranges. Avoid exposure to moisture, dust, and corrosive substances.
- Capacité de charge: Do not exceed the rated output power or current for each channel. Overloading can trigger protection mechanisms or cause damage.
- Fonctions de protection : 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.
- Personnel qualifié: L'installation et l'entretien doivent être effectués uniquement par du personnel qualifié.
Dépannage
If the power supply is not functioning as expected, consider the following common issues and solutions:
- Pas de volume de sortietage / LED Off:
- Check if the AC input power is connected and active.
- Vérifiez le volume d'entréetage est dans la plage spécifiée (88-264VAC).
- Inspect input fuses (if external).
- Volume de sortietage 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.
- Arrêt de l'unité :
- 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.
Entretien
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:
- Nettoyage: 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.
- Vérifications de connexion : Occasionally inspect all wiring connections for tightness and signs of corrosion or damage.
- Surveillance environnementale : S'assurer que l'environnement de travail reste dans les limites de température et d'humidité spécifiées.
No user-serviceable parts are inside. Do not attempt to open or repair the unit yourself. Refer all servicing to qualified personnel.
Garantie et assistance
The MEAN WELL RD-65A Dual Output Switching Power Supply is generally covered by a Garantie de 3 ans 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 website.
