Nhanganyaya
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.
Product Features
- Universal AC yekupinda / Yakazara renji
- Dziviriro: Short circuit / Overload / Over voltage
- Kutonhodza nemhepo yemahara
- Chiratidzo che LED chemagetsi
- 100% yakazara mutoro wekupisa-mubvunzo
- Yese inoshandisa 105 ° C hupenyu hwakareba electrolytic capacitors
- Ramba 300VAC yekusurgep yekupinda kwemasekonzi mashanu
- Kupisa kwepamusoro kwekushanda kusvika ku70°C
- Kumira 5G vibration bvunzo
- Kubudirira kwepamusoro, hupenyu hurefu uye kuvimbika kwepamusoro
- 3 makore waranti
Zvinotsanangurwa
Output Characteristics (RD-65A)
| Output Number | CH1 | CH2 |
|---|---|---|
| DC Voltage | 5V | 12V |
| Rated Current | 6A | 3A |
| Current Range | 0.3 - 6A | 0.2 - 3A |
| Rated Power | 66W | |
| Ripple & Noise (max.) | 120mVp-p | 120mVp-p |
| Voltage ADJ. Range | CH1: 4.75 - 5.5V | |
| Voltage Kushivirira | ±2.0% | ±6.0% |
| Line Regulation | ±0.5% | ±1.0% |
| Load Regulation | ±1.0% | ±3.0% |
| Setup, Simuka Nguva | 500ms, 20ms/230VAC; 1200ms, 20ms/115VAC pamutoro uzere | |
| Hold Up Time (typ.) | 80ms/230VAC; 14ms/115VAC pamutoro wakazara | |
Input Hunhu
| Hunhu | Value |
|---|---|
| Voltage Range | 88 ~ 264VAC; 125 ~ 373VDC (Withstand 300VAC surge for 5sec. Without damage) |
| Frequency Range | 47 ~ 63Hz |
| Kunyatsoshanda (typ.) | 78% |
| AC Yazvino (taipa.) | 2A/115VAC; 1.2A/230VAC |
| Inrush Yazvino (typ.) | KUCHIRA KUTANGA 40A/230VAC |
| Leakage Current | <2mA / 240VAC |
Dziviriro
| Type | Tsanangudzo |
|---|---|
| Overload | 105 ~ 160% rated output power. Protection type: Hiccup mode, recovers automatically after fault condition is removed. |
| Kupfuura Voltage | CH1: 5.75 ~ 6.75V. Protection type: Hiccup mode, recovers automatically after fault condition is removed. |
Environmental & Safety
| Hunhu | Value |
|---|---|
| Working Temp. | -25 ~ +70°C (Refer to "Derating Curve") |
| Kushanda Humidity | 20 ~ 90% RH isiri-condensing |
| Kuchengetedza Temp., Humidity | -40 ~ +85°C, 10 ~ 95% RH |
| Temp. Coefficient | ±0.03%/°C (0 ~ 50°C) on 5V output |
| Vibration | 10 ~ 500Hz, 5G 10min./1cycle, nguva ye60min. imwe neimwe pamwe nematemo X, Y, Z |
| Mitemo Yekuchengetedza | UL60950-1, TUV EN60950-1 approved |
| Kushingirira Voltage | I/P-O/P:3KVAC; I/P-FG:1.5KVAC; O/P-FG:0.5KVAC |
| Kuzviparadzanisa nevamwe | I/P-O/P, I/P-FG, O/P-FG: >100M Ohms / 500VDC / 25°C / 70% RH |
| EMI Emission | Kutevedzera EN55022 (CISPR22) Kirasi 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) |
Muviri Dimensions
- Zviyero zvechinhu L x W x H: 5.08 x 3.86 x 1.5 inches (129 x 98 x 38 mm)
- Chinhu Weight: Magiramu 5 (Note: This weight seems unusually low for a power supply of this type. Please verify with product packaging.)
- Packing: 0.7kg; 20pcs/14.7kg/1.72CUFT
Setup uye Installation
Mechanical Installation
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.
Wiring Connections
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 Nha. | Basa | Pin Nha. | Basa |
|---|---|---|---|
| 1 | AC / L. | 4,5 | DC OUTPUT COM |
| 2 | AC / N. | 6 | DC OUTPUT +V2 |
| 3 | FG | 7 | DC OUTPUT +V1 |
Zvinobatanidza:
- 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.
Output Connections:
- 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.
Operating Instruction
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.
Simba On/Kudzima
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.
Block Diagram Overview
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.
- Power Switching: High-frequency switching to regulate the output voltage.
- Kudzora: 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.
Kutamba Curve
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.
- Chiyamuro Voltage 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 voltaguye derating curve.
Exceeding these limits can lead to reduced lifespan or damage to the unit.
Chengetedzo Yekuchengetedza
To ensure safe operation and prevent damage to the power supply or connected equipment, observe the following precautions:
- Kuchengetedzwa Kwemagetsi: Always disconnect the AC input power before performing any installation, wiring, or maintenance. Ensure proper grounding (FG) is established.
- Kufefetedza Do not obstruct the ventilation holes. Ensure sufficient airflow around the unit to prevent overheating.
- Environment: Operate the power supply within the specified temperature and humidity ranges. Avoid exposure to moisture, dust, and corrosive substances.
- Load Capacity: Do not exceed the rated output power or current for each channel. Overloading can trigger protection mechanisms or cause damage.
- Dziviriro Zvimiro: 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.
- Vashandi Vanokwanisa: Kuisa uye kusevha kunofanirwa kuitwa chete nevashandi vanokwanisa.
Kugadzirisa matambudziko
If the power supply is not functioning as expected, consider the following common issues and solutions:
- No Output Voltage / LED Off:
- Check if the AC input power is connected and active.
- Simbisai voltage iri mukati meiyo yakatarwa (88-264VAC).
- Inspect input fuses (if external).
- Kubuditsa Voltage 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.
- Unit Shuts Down:
- 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.
Maintenance
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:
- Kuchenesa: 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.
- Macheki ekubatanidza: Occasionally inspect all wiring connections for tightness and signs of corrosion or damage.
- Environmental Monitoring: Ita shuwa kuti nzvimbo yekushanda iri mukati memiganhu yakatarwa yekupisa nehunyoro.
No user-serviceable parts are inside. Do not attempt to open or repair the unit yourself. Refer all servicing to qualified personnel.
Warranty uye Support
The MEAN WELL RD-65A Dual Output Switching Power Supply is generally covered by a 3-makore waranti 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.