1. 안전 지침
Please read and understand all safety instructions before operating the ITECH IT-M7722L Programmable AC Power Supply. Failure to follow these instructions may result in electric shock, fire, or damage to the product.
- 접지: Ensure the power supply is properly grounded to prevent electric shock.
- 전원: Connect the unit only to a power source with the specified voltage와 주파수.
- 통풍: 통풍구를 막지 마십시오. 과열을 방지하려면 적절한 공기 흐름이 필수적입니다.
- 환경: Operate the device in a dry, well-ventilated area, away from flammable materials, moisture, and extreme temperatures.
- 서비스: 모든 서비스는 자격을 갖춘 서비스 담당자에게 의뢰하십시오. 제품을 직접 열거나 수리하려고 시도하지 마십시오.
- 비상 정지: 비상시 즉시 전원을 끌 수 있도록 전원 스위치의 위치를 숙지하세요.
2. 제품 오버view
The ITECH IT-M7722L is a compact, high-performance programmable AC power supply designed for laboratory and industrial applications. It offers precise control over AC and DC output, along with advanced measurement capabilities.
그림 2.1: 전면 view of the ITECH IT-M7722L Programmable AC Power Supply, showing the display, control buttons, and rotary encoder.
주요 특징:
- 컴팩트한 디자인: 1U Half-Rack size, weighing approximately 10 lbs, making it portable and suitable for bench testing or system integration.
- 다양한 출력 모드: Supports AC, DC, and AC+DC output modes, expanding its application range for various testing requirements, including DC offset elements.
- Built-in AC Power Meter: Accurately measures and displays 12 parameters, including RMS voltage, RMS current, output frequency, active power, and power factor, eliminating the need for an external power meter.
- 종합 보호: Over Vol 포함tage Protection (OVP rms, OVP peak), Under Voltage Protection (UVP rms), Over Current Protection (OCP rms, OCP peak, OCP delay), Over Power Protection (OPP), Over Temperature Protection (OTP), and smart fan dysfunctional protection.
- High Resolution and Accuracy: Offers precise control with 0.1V/10mA resolution and high accuracy for reliable test results.
- 다중 인터페이스: Optional RS232, CAN, LAN, GPIB, USB, and external analog interfaces for remote control and automation.
Figure 2.2: The IT-M7700 series integrates the functionalities of a DC power supply, AC power supply, power meter, and waveform generator into a single unit.
3. 설정
3.1 풀기 및 검사
Carefully unpack the IT-M7722L power supply and its accessories. Verify that all items listed in the package contents are present:
- IT-M7722L Lab AC Power Supply
- 전원 코드
- Ex-Factory Test Report
Inspect the unit for any signs of physical damage. If any damage is found or items are missing, contact your supplier immediately.
3.2 물리적 설치
The IT-M7722L features a 1U Half-Rack design, allowing for flexible installation.
- Benchtop Use: Place the unit on a stable, level surface, ensuring adequate space around the unit for ventilation.
- 랙 장착: For rack integration, use appropriate rack mounting kits (sold separately) to secure the unit in a standard 19-inch rack. Ensure proper airflow within the rack.
Figure 3.1: Physical dimensions of the IT-M7722L, illustrating its compact 1U Half-Rack form factor.
3.3 전원 연결
Connect the provided power cord to the AC input receptacle on the rear panel of the power supply and then to a grounded AC power outlet. Ensure the power source matches the voltag제품 라벨에 명시된 요구 사항.
4. 사용 설명서
4.1 전원 켜기/끄기
- 전원 켜기: Press the 'Power' button located on the front panel. The display will illuminate, indicating the unit is active.
- 전원 끄기 : Press and hold the 'Power' button until the display turns off.
4.2 Setting Output Parameters
Use the front panel controls to set voltage, current, and frequency.
- 를 누르세요 V-set 볼륨 입력 버튼tag설정 모드입니다. 로터리 엔코더를 사용하여 볼륨을 조절하세요.tag가치.
- 를 누르세요 I-set button to enter current setting mode. Use the rotary encoder to adjust the current value.
- 를 누르세요 F-set button to enter frequency setting mode. Use the rotary encoder to adjust the frequency value.
- 누르다 입력하다 to confirm settings or 에스케이프 취소합니다.
4.3 Selecting Output Modes (AC, DC, AC+DC)
The IT-M7722L supports multiple output modes:
- 를 누르세요 AC button for pure AC output.
- 를 누르세요 DC button for pure DC output.
- 를 누르세요 AC + DC button for combined AC and DC output.
그림 4.1: 예amples of AC, DC, and AC+DC output waveforms, demonstrating the versatility of the power supply.
4.4 Using the Built-in AC Power Meter
The integrated power meter automatically displays key electrical parameters on the screen. To view specific parameters or cycle through display modes:
- 사용하세요 표시하다 button to cycle through various measurement parameters such as RMS voltage, RMS current, output frequency, active power, and power factor.
- The display provides real-time readings, eliminating the need for external measurement devices.
4.5 Output On/Off
After setting the desired parameters, press the 켜기/끄기 button to enable or disable the output to the load.
5. 유지관리
5.1 청소
To maintain optimal performance and longevity, keep the unit clean.
- 부드러운 천으로 외부를 닦아주세요.amp 천. 연마성 세척제나 용매를 사용하지 마십시오.
- 기기에 액체가 들어가지 않도록 하십시오.
5.2 Ventilation and Fan Maintenance
The IT-M7722L relies on proper ventilation to prevent overheating. Regularly check that the air intake and exhaust vents are clear of dust and obstructions.
- The unit features smart fan dysfunctional protection. If a fan issue is detected, the unit may display an error or shut down to prevent damage.
- Do not attempt to open the unit to clean internal components. Refer to qualified service personnel if internal cleaning is required.
6. 문제 해결
This section provides solutions to common issues. For problems not covered here, contact ITECH support.
| 문제 | 가능한 원인 | 해결책 |
|---|---|---|
| 장치의 전원이 켜지지 않음 | Power cord not connected; No power from outlet; Internal fuse blown | Check power cord connection; Verify outlet power; Contact service personnel |
| 출력 볼륨 없음tag현재 | Output is off; Protection triggered (OVP, OCP, OTP, etc.); Incorrect settings | Press 'On/Off' button; Check for error messages and clear fault; Verify voltag전자/현재 설정 |
| 과열/팬 소음 | Blocked ventilation; Excessive ambient temperature; Fan malfunction | Ensure clear vents; Operate in cooler environment; Contact service personnel for fan issues |
| 부정확한 판독 | Calibration required; External interference | Refer to calibration procedures (if applicable); Check for strong electromagnetic fields |
6.1 보호 기능
The IT-M7722L incorporates comprehensive protection mechanisms to safeguard the unit and connected devices. If a protection event occurs, the output will be disabled, and an error message may be displayed.
Figure 6.1: Visual representation of the various protection features: OVP, UVP, OCP, OPP, and OTP.
- OVP(오버 볼륨tag전자 보호): Protects against excessive output voltage.
- UVP(볼륨 아래tag전자 보호): Protects against output voltage dropping below a set threshold.
- OCP(과전류 보호): Protects against excessive output current.
- OPP(과전력 보호): Protects against excessive output power.
- OTP(과열 보호): 내부 온도가 안전 한계를 초과하면 장치를 끕니다.
To clear a protection fault, identify and resolve the underlying issue, then cycle the output power or restart the unit if necessary.
7. 사양
Detailed technical specifications for the ITECH IT-M7722L Programmable AC Power Supply.
| 매개변수 | 값 |
|---|---|
| 모델 | IT-M7722L |
| 권tag및 범위 | 0-300V |
| 현재 범위 | 0-6A |
| 전력 범위 | 0-600VA |
| 권tage 해상도 | 0.1V |
| 현재 해상도 | 10mA |
| 권tage 정확도 | ≤0.03 % + 12mV |
| 현재 정확도 | ≤0.05%+20uA |
| 출력 모드 | AC, DC, AC+DC |
| Interfaces (Optional) | RS232, CAN, LAN, GPIB, USB, external analog |
| 폼 팩터 | 1U Half-Rack |
| 냉각 방식 | 공기 |
| 패키지 크기 | 25 x 14 x 8 인치 |
| 품목 무게 | 14 Pounds (Unit weight is 10LB only, package weight is 14 Pounds) |
8. 보증 및 지원
8.1 보증 정보
The ITECH IT-M7722L comes with an Ex-Factory Test Report, confirming its quality and performance at the time of manufacture. For specific warranty terms and conditions, please refer to the documentation provided with your purchase or contact ITECH directly.
8.2 기술 지원
For technical assistance, troubleshooting beyond this manual, or service inquiries, please contact ITECH customer support. You can find contact information on the official ITECH web사이트 또는 지역 유통업체를 통해 구매하세요.
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