1. 서론
This manual provides essential information for the safe and efficient installation, operation, and maintenance of the Mean Well EDR-120-24 AC/DC DIN Rail Power Supply. The EDR-120 series is an economical, slim 120W power supply designed for industrial applications. It is suitable for installation on TS-35/7.5 or TS-35/15 mounting rails, featuring a compact 40mm width for space-saving within cabinets. This unit operates effectively in ambient temperatures between -20℃ and 60℃ under air convection.
Please Note: The EDR series is primarily for industrial applications. For household applications, please choose the NDR series.
2. 안전 정보
설치 및 작동 전에 모든 지침을 주의 깊게 읽으십시오. 지침을 따르지 않을 경우 감전, 화재 또는 심각한 부상이 발생할 수 있습니다.
- 적격 직원: 설치 및 유지관리는 자격을 갖춘 인력만이 수행해야 합니다.
- 전원 차단: Always disconnect the main power supply before any installation, wiring, or maintenance work.
- 적절한 접지: 감전을 방지하기 위해 올바르게 접지하십시오.
- 통풍: Maintain adequate ventilation around the unit. Do not obstruct ventilation openings.
- 환경 조건: Operate the power supply within the specified temperature and humidity ranges. Avoid exposure to moisture or corrosive environments.
- 와이어 사양: Use copper wire only, rated for a minimum of 75℃.
- 산업용: This product is designed for industrial control equipment.
3. 제품 오버view 및 기능
The EDR-120-24 is a robust AC/DC power supply offering reliable performance for various industrial needs. Key features include:
- 산출: 24V, 5A, 120W.
- 입력 Voltage: 90 ~ 264VAC / 124 ~ 370VDC.
- 보호: Short circuit, Overload, Over Voltage, 과열.
- 능률: High efficiency of 87.5% (typical).
- 인증: UL and CE certified, UL 508 (Industrial Control Equipment) approved.
- 컴팩트한 디자인: Slim 40mm width for space-saving DIN rail mounting.
- 냉각: Air convection cooling.
그림 1: 전면 view of the Mean Well EDR-120-24 power supply, showing input/output terminals, voltage adjustment, and DC OK indicator.
4. 기계적 사양
The EDR-120-24 features a compact design suitable for DIN rail mounting. Detailed dimensions are provided below.
Figure 2: Mechanical drawing of the EDR-120-24, showing top, side, front, and bottom views with dimensions in millimeters (tolerance ±1mm).
터미널 핀 할당
| 핀 번호 | 과제 |
|---|---|
| 1 | FG(프레임 그라운드) |
| 2 | AC/N or DC - |
| 3 | AC/L 또는 DC + |
| 핀 번호 | 과제 |
|---|---|
| 1,2 | DC 출력 -V |
| 3,4 | DC 출력 +V |
5. 설치(Setup)
Follow these steps for proper installation of the EDR-120-24 power supply.
5.1 장착
- The EDR-120-24 is designed for DIN rail mounting on TS-35/7.5 or TS-35/15 rails.
- Ensure sufficient clearance for air circulation. A minimum of 5mm left and right, 40mm above, and 20mm below the power supply is recommended for optimal cooling.
- To mount, hook the top edge of the power supply onto the DIN rail, then push the bottom edge firmly until it clicks into place.
그림 3: 측면 view DIN 레일 장착 메커니즘을 보여주는 그림입니다.
5.2 배선
All connections are made via screw terminal blocks. Refer to the Terminal Pin Assignment tables in Section 4.
- Input Wiring (TB1): Connect the AC mains (L, N) or DC input (+, -) to the corresponding terminals. Ensure the Frame Ground (FG) terminal is properly connected to earth ground. The input voltag범위는 90-264VAC 또는 127-370VDC입니다.
- Output Wiring (TB2): Connect your load to the DC OUTPUT +V and -V terminals.
- 와이어 유형: Use copper wire only, rated for a minimum of 75℃.
- 토크: Ensure terminal screws are tightened to the specified torque (Input: 6.5 Lb-in, Output: 5.5 Lb-in) to prevent loose connections.
그림 4: 예ample wiring diagrams for different input configurations. Always refer to the product label for specific terminal markings.
6. 운영
Once installed and wired correctly, the EDR-120-24 is ready for operation.
- 전원 켜기: Apply the specified AC or DC input voltage.
- DC OK Indicator: A green LED labeled "DC OK" will illuminate when the output voltage는 허용 범위 내에 있습니다.
- 출력 볼륨tag전자 조정: 출력 볼륨tage can be finely adjusted using the "+V ADJ" potentiometer located on the front panel. Use a small screwdriver to turn the potentiometer clockwise to increase voltage 또는 시계 반대 방향으로 돌리면 감소합니다.
7. 유지관리
The EDR-120-24 is designed for long-term reliability with minimal maintenance. However, periodic checks are recommended.
- 청소: Keep the unit clean and free from dust and debris, especially around ventilation openings, to ensure proper air convection cooling. Use a soft, dry cloth for cleaning.
- 연결 확인: Periodically inspect all wiring connections for tightness and signs of corrosion. Re-tighten screws if necessary after disconnecting power.
- 환경 모니터링: 작동 환경이 지정된 온도 및 습도 한도 내에 유지되도록 하세요.
8. 문제 해결
If the power supply is not functioning as expected, consider the following common issues:
- No Output / DC OK LED Off:
- Check input power connections and voltage.
- Verify that the input fuse (if external) is intact.
- Check for short circuits or overloads on the output. Disconnect the load and re-test.
- Ensure the ambient temperature is within the operating range.
- 간헐적 작동:
- 느슨한 전선 연결을 확인하세요.
- Verify that the load current does not exceed the rated output current (5A). Overload protection may be activating.
- Ensure adequate ventilation to prevent over-temperature shutdown.
- 잘못된 출력 볼륨tage:
- Adjust the "+V ADJ" potentiometer.
- 입력 볼륨 확인tage는 안정적이며 지정된 범위 내에 있습니다.
If problems persist after checking these points, contact qualified service personnel or the manufacturer.
9. 기술 사양
| 매개변수 | 값 |
|---|---|
| 모델명 | EDR-120-24 |
| 출력 볼륨tage | 24V |
| 정격 전류 | 5A |
| 출력 전력 | 120와트 |
| 입력 Voltag및 범위 | 90 ~ 264VAC / 127 ~ 370VDC |
| 입력 주파수 | 47~63Hz |
| 효율성 (일반) | 87.5% |
| 리플 및 노이즈(최대) | 120mVp-p |
| 라인 규제 | 0.5% |
| 부하 조절 | 1% |
| Minimum Isolation Voltage | 3000VAC |
| 보호 | Short circuit, Overload, Over Voltage, 과열 |
| 작동 온도 | -20℃ ~ 60℃ |
| 냉각 방식 | Air Convection |
| 치수(길이 x 너비 x 높이) | 113.5 x 40 x 125.2mm(4.47 x 1.57 x 4.93인치) |
| 설치 | DIN 레일 |
| 무게 | 600g |
| 인증 | UL, CE, EU RoHS Compliant |
10. 보증 및 지원
This Mean Well power supply is manufactured to high-quality standards. For warranty information, please refer to the documentation provided with your purchase or contact your distributor. For technical support or service inquiries, please reach out to the seller or the official Mean Well support channels.
Manufacturer: MEAN WELL ENTERPRISES CO., LTD.
Distributed by: KAINSC PRODUCTS KAWAGUCH INDUSTRIAL SCIENTIFIC