1. 서론
This manual provides comprehensive instructions for the installation, operation, and maintenance of the Acrel DTSD1352 Three Phase Bidirectional Energy Meter. This device is designed for accurate measurement of three-phase energy consumption and generation, featuring RS485 communication for integration into monitoring systems. Please read this manual thoroughly before installation and operation to ensure safe and efficient use.
2. 안전 정보
경고: 감전 위험!
- 설치 및 유지 관리는 자격을 갖춘 전기 기술자만 수행해야 합니다.
- Ensure all power is disconnected before installing or servicing the meter.
- Do not touch live terminals.
- 계량기나 전기 시스템의 손상을 방지하기 위해 배선 연결이 올바른지 확인하십시오.
- The meter must be installed in a dry, well-ventilated area, free from excessive dust, corrosive gases, and direct sunlight.
3. 제품 오버view
The Acrel DTSD1352 is a compact and robust three-phase multi-function energy meter. It features a clear LCD display for real-time data, intuitive control buttons, and various connection terminals.
그림 3.1: 앞쪽 view of the DTSD1352 meter. This image displays the main LCD screen showing power readings (e.g., 0.00 kW), the "SET" button, and three orange arrow buttons for navigation. Terminal blocks are visible at the top and bottom for electrical connections.
그림 3.2: 각진 view of the DTSD1352 meter. This perspective highlights the compact design and the various input/output terminals on the top and bottom, as well as the side labeling for model identification.
4. 사양
The following table outlines the key technical specifications of the Acrel DTSD1352 energy meter. For detailed information, refer to the product datasheet.
그림 4.1: Detailed technical specifications. This image presents a table covering various parameters such as reference voltage (3*57.7/100V, 3*220/380V, 3*380V), reference frequency (50Hz), maximum current (6A, 80A), accuracy (Class 0.5S), communication interface (RS485, MODBUS-RTU), dimensions (127*88*70 mm), and environmental conditions (operating temperature -25~55℃, humidity ≤95%).
| 매개변수 | 값 |
|---|---|
| 참조 권tage | 3*57.7/100V, 3*220/380V, 3*380V |
| 참조 주파수 | 50Hz |
| 최대 전류 | 6A, 80A (depending on model) |
| Accuracy of active kWh | 클래스 0.5S |
| 통신 인터페이스 | RS485 |
| 통신 프로토콜 | 모드버스-RTU |
| 치수(길이*너비*높이) | 127mm * 88mm * 70mm |
| 작동 온도 | -25℃ ~ 55℃ |
| 보관 온도 | -40℃ ~ 70℃ |
| 습기 | ≤95%(결로 없음) |
| 고도 | <2000m |
| 품목 무게 | 7.1온스(약 200g) |
5. 설치 및 배선
Proper installation and wiring are critical for the accurate and safe operation of the DTSD1352 meter. Refer to the diagrams below for connection methods.
그림 5.1: Wiring diagrams. This image illustrates two primary wiring methods: a 3-phase 4-wire (3P4W) direct connection where power lines (A, B, C, N) connect directly to the meter, and a connection via Current Transformers (CTs) for higher current applications, showing the CTs connected to the respective phase lines and then to the meter.
5.1 Direct Connection (3P4W)
For direct connection, ensure the phase lines (A, B, C) and neutral (N) are connected to the corresponding terminals on the meter. This method is typically used for lower current applications where the meter can directly handle the load current.
- Connect Phase A to terminal 'A'.
- Connect Phase B to terminal 'B'.
- Connect Phase C to terminal 'C'.
- Connect Neutral to terminal 'N'.
- 모든 연결 부분이 안전하고 적절히 절연되어 있는지 확인하세요.
5.2 Connection via Current Transformers (CTs)
For higher current applications, the DTSD1352 meter can be connected via external Current Transformers (CTs). This method scales down the current to a measurable level for the meter.
- Install the CTs on each phase line (A, B, C).
- Connect the secondary windings of the CTs to the corresponding current input terminals (e.g., Ia*, Ia, Ib*, Ib, Ic*, Ic) on the meter.
- Ensure the polarity of the CTs is correct (P1/K to the source side, P2/L to the load side, and S1/S2 to the meter). Incorrect polarity will result in inaccurate readings.
- 볼륨을 연결하세요tage inputs (Ua, Ub, Uc, N) directly from the respective phases and neutral to the meter.
- It is recommended to install a fuse on the voltage input lines for protection.
Important: Always ensure the CT secondary circuit is closed before applying power to the primary circuit. Never open the secondary circuit of a live CT.
6. 운영
Once installed and powered, the DTSD1352 meter will automatically begin measuring. The LCD display shows various parameters, which can be navigated using the control buttons.
6.1 디스플레이 탐색
- LCD 디스플레이: 볼륨과 같은 실시간 측정값을 보여줍니다.tage, current, active power, reactive power, power factor, frequency, and total energy (kWh).
- "SET" Button: Used to enter the parameter setting mode or confirm selections.
- Arrow Buttons (Left, Right, Up, Down): Used to navigate through different display screens or adjust parameter values in setting mode.
6.2 Reading Energy Data
Press the arrow buttons to cycle through the various measurement screens. Common readings include:
- 총 유효 에너지(kWh)
- Forward Active Energy (kWh)
- Reverse Active Energy (kWh)
- 권tage (V) per phase
- Current (A) per phase
- Active Power (kW) per phase and total
- Reactive Power (kVar) per phase and total
- 역률 (PF)
- 주파수(Hz)
6.3 RS485 통신
The meter supports RS485 communication with MODBUS-RTU protocol. This allows for remote reading of meter data and configuration. Refer to the MODBUS communication protocol document for detailed register addresses and commands.
7. 유지관리
The DTSD1352 energy meter is designed for long-term, reliable operation with minimal maintenance. However, periodic checks are recommended.
- 청소: 계량기를 깨끗하게 유지하고 먼지가 쌓이지 않도록 하십시오. 청소할 때는 부드럽고 마른 천을 사용하십시오. 연마성 세척제나 용제를 사용하지 마십시오.
- 사이: Periodically check all wiring connections to ensure they are tight and secure. Loose connections can lead to inaccurate readings or overheating.
- 환경: 작동 환경이 지정된 온도 및 습도 범위 내에 유지되도록 하세요.
- 구경 측정: The meter is factory calibrated. If you suspect inaccuracies, contact qualified service personnel for recalibration.
8. 문제 해결
This section provides solutions to common issues you might encounter with the DTSD1352 meter.
| 문제 | 가능한 원인 | 해결책 |
|---|---|---|
| 계기판 화면이 꺼져 있습니다. | 계량기에 전원이 공급되지 않습니다. | Check the main power supply and wiring connections to the meter's voltage input terminals. Ensure fuses are intact. |
| 에너지 측정값이 부정확합니다. | Incorrect wiring, incorrect CT ratio setting (if applicable), faulty CTs, or meter malfunction. | Verify all wiring connections according to Section 5. Ensure CT polarity is correct. Check if the CT ratio programmed in the meter matches the physical CTs. If issues persist, contact technical support. |
| RS485 통신 실패. | Incorrect wiring of RS485 terminals (A/B), incorrect communication parameters (baud rate, parity, address), or software issue. | Check RS485 A and B terminal connections. Verify communication settings (baud rate, data bits, stop bits, parity, meter address) in your master device match the meter's settings. Ensure proper termination resistors are used if necessary. |
| Meter shows "Error" or specific error codes. | Internal fault or specific operational issue. | Note down the error code and consult the full product manual or contact technical support for specific error code interpretations and solutions. |
9. 보증 및 지원
This product is manufactured by TGLGTQPX and sold under the Acrel brand. For specific warranty terms and conditions, please refer to the documentation provided at the time of purchase or contact your vendor. General support for the Acrel DTSD1352 meter can be obtained through the manufacturer's official channels or your authorized distributor.
For technical assistance, troubleshooting beyond this manual, or spare parts, please contact:
- 제조업체: TGLGTQPX
- 제품 브랜드: 아 크렐
- 모델: DTSD1352
- (Contact information such as website or email would typically be provided here by the manufacturer.)
