1. 제품 개봉 및 기본 사용법 익히기

1.1 주요 기술 사양

1.2 개봉 및 내용물 확인

1.2.1 포장 해제 및 육안 검사

기기를 개봉할 때는 날카로운 도구로 케이스에 흠집이 나지 않도록 조심스럽게 다루십시오. 개봉 후에는 먼저 기기 외관을 검사하여 눈에 띄는 변형이나 찌그러짐이 없는지, 버튼이 손상되었거나 헐거워지지 않았는지 확인하십시오. 기기 또는 부속품에 이상이 발견되면 전원을 켜지 마시고 즉시 저희에게 연락해 주십시오.

1.2.2 호스트 및 액세서리

호스트: 1 LS9955/LS9956 숙주.

The main components are as follows:

그림 1

Download links for the electronic user manual, software, warranty card, and other materials have been sent via email. Please download them promptly. If you missed the email, you may contact us to request the download links again.

2 안전주의 사항

2.1 전기 안전

2.1.1 전원 요구 사항

Use a single-phase AC 220V ±10%, 50/60 Hz three-prong outlet; the ground prong must be connected to ground.

2.1.2 접지 요구 사항

The instrument ground wire is reliably connected to the protective ground wire, and the protective ground resistance is ≤4 Ω.

2.2 환경 안전

2.2.1 Temperature and Humidity Requirements

Avoid using the device in environments where humidity exceeds 70% (without condensation) or where the temperature is outside the range of 0–35°C. The optimal operating temperature is 25±2°C.

2.2.2 Environmental Contraindications

Environments with strong magnetic fields and strong electric fields;

Environments containing corrosive gases or liquids;

Areas with flammable and explosive dust, and areas containing hazardous materials;

Environments with heavy dust, high temperatures and humidity, and direct sunlight.

2.3 작동 안전

During testing, the casing of the test object is electrically charged; do not touch it with your bare hands under any circumstances;

The test specimen must be placed on a rubber insulating mat;

Operators must wear rubber insulated gloves;

Operators must have dry hands and must not wear any metal jewelry; eating or drinking is prohibited during testing to prevent accidents caused by electric shock;

Before replacing the test object, you must first stop the test and disconnect the test object from the input power supply;

여러 사람이 참여하는 경우, 역할과 책임을 명확하게 정의하고 오류를 방지하기 위해 테스트 시작 전에 서로 확인해야 합니다.

2.4 기타

본 설명서에 나와 있지 않은 사항에 대해서는 주의를 기울여 진행하시거나 당사에 문의해 주십시오.

3. 안전성 테스트 절차

3.1 Standard Test Parameters (Reference: GB/T 7000.1-2023)

Note: This manual uses GB/T 7000.1-2023 as an example only. If you are referring to other standards, please consult the corresponding standard for the correct test parameters.

3.2 장비 배선

3.2.1 Introduction to the Back Panel and Wiring

그림 2

3.2.2 Connecting the Test Object

The test object’s casing must be clean and free of oil; place it in the center of the insulating mat, away from the metal work surface.

그림 3

After all connections have been made and verified, turn on the circuit breaker on the back of the device.

3.3 전면 패널 작동

장치를 켜십시오.

그림 4

Note 1: For leakage current testing, the test voltage must be set to 234 V (using a 220 V test object as an example), i.e., it must match the leakage current test voltage of the connected device.

Note 2: For the LS9956 power test, the test voltage must be set to 220 V (using a 220 V device under test as an example), i.e., it must match the rated power supply of the connected device under test.

3.4 Common Equipment Alarms

3.4.1NG

그림 5

Failed the test.

3.4.2 OVER

그림 6

If the insulation resistance test value exceeds the equipment’s upper measurement limit (2000 MΩ), the test is considered passed.

3.4.3 조정

그림 7

The leakage current test voltage input does not match the leakage current test voltage setting. Refer to sections 4.2.1 and 4.3 for adjustments.

3.4.4 Exceed current break

그림 8

The current exceeds the equipment’s limit. Please check for a short circuit between the live wire, neutral wire, and ground wire of the device under test.

3.4.5 열기

그림 9

During the ground resistance test, an open-circuit error is displayed. Refer to Section 4.2.2 for adjustments.

3.5 테스트 종료

3.5.1 Shutdown Procedure

Wait for the test to finish or press STOP to stop the test → Turn off the circuit breaker on the back panel → Shut down the unit.

3.5.2 Replacing the Test Object

Wait for the test to finish or press STOP to stop the test → Turn off the circuit breaker on the back panel → Replace the test object → Turn on the circuit breaker on the back panel → Set the parameters and run the test.

4. 소프트웨어 사용

4.1 Hardware Wiring Adjustments

4.1.1 Connecting the Communication Cables

1.2.2를 참조하십시오.

4.1.2 Connecting the Test Power Supply

구매하셨다면 LISUN power supply and your device model is LS9956.

그림 10

4.1.3 Connecting the Communication Cables

당신이 있다면 LISUN power supply, connect the LS9955/LS9956 communication cable and the LISUN power supply communication cable to the RS232 communication box, and then connect the communication box to your computer.

당신이 LISUN power supply, connect the LS9955/LS9956 communication cable to the RS232-to-USB adapter and then connect it to your computer.

Note: If your computer has enough RS232 ports, you do not need to use a communication box or a USB adapter cable.

4.2 소프트웨어 및 드라이버 설치

그림 11

를 설치 RS232 Communication Box Driver.

그림 12

RS232-USB adapter cable driver—please double-click to install.

그림 13

4.3 소프트웨어 설정

4.3.1 통신 포트 설정

Click to open the port settings screen.

그림 14

그림 15

4.3.2 테스트 매개변수 설정

테스트 매개변수 설정 화면으로 이동하세요.

그림 16

No password is required; just click “OK” to proceed.

그림 17

그림 18

Take the model numbers and limit value groups included with the software as an example.

그림 19

4.4 Startup Test

4.4.1 Software Readiness

그림 20

The test items and parameters for this test model in the software are automatically synchronized to the device.

그림 21

4.4.2 Hardware Execution Testing

After verifying that all connections are correct, turn on the circuit breaker on the back of the device. Then press the Start button on the front panel to begin the test.

You can repeat the test on the device, and the software will automatically record all test data.

4.5 Test Record Management

4.5.1 Real-Time Software Test Data

그림 22

4.5.2 View Historical Test Data

그림 23

5. 장비의 일상 유지보수 및 관리

5.1 일상적인 유지보수

Before turning on the equipment, check that the exterior is clean and free of damage, that the cables show no signs of aging or breakage, and that the connectors are secure; Check the grounding clamps for oxidation or burnout; if present, wipe them with a specialized contact cleaner, and contact us to replace parts if necessary; after testing is complete, disconnect the power and wipe the equipment surface and the test area with a dry cloth.

5.2 장기 보관

When the device is not in use for an extended period, store it in a dry, well-ventilated area, away from moisture and direct sunlight; disconnect all cables, store accessories separately, and cover the device with a dust-proof cloth; power on the device for 30 minutes each month to prevent the internal electronic components from deteriorating.

6. 문제 해결 및 일반적인 문제 해결 방법