Acrel 手冊與使用者指南

Acrel Co., Ltd. is a high-tech enterprise founded in 2003, focusing on the research, production, and sales of energy efficiency management and electrical safety solutions. Listed on the SZGEM (Stock Code: 300286), Acrel provides a comprehensive ecosystem of smart grid user-end solutions, including electrical sensors, energy meters, and cloud-based management platforms.

The company’s product lineup covers power monitoring, energy metering, electrical fire monitoring, board-mounted measuring, and smart lighting control. Acrel serves diverse sectors such as industrial manufacturing, data centers, and commercial buildings, helping users visualize energy consumption and improve operational efficiency through precise data acquisition and IoT connectivity.

• What is the default password for Acrel power meters?

  For many Acrel meters like the DJSF1352-RN, the default password to enter the programming or setup menu is typically 0001 or 0000. Refer to your specific device manual for confirmation.

• How do I set the CT ratio on my Acrel energy meter?

  Enter the system menu using the 'SET' key and your password. Navigate to the 'Ct' or 'Pt' parameter (depending on the model) and adjust the value to match the ratio of your external current transformer.

• Which communication protocols do Acrel devices support?

  Most Acrel DIN-rail meters feature an RS485 interface that supports the Modbus-RTU protocol. Some models also support DL/T 645, 698, or wireless IoT protocols.

• How should I wire the communication cable for RS485?

  Use a shielded twisted pair cable. Connect the wires to terminals A and B as indicated on the meter's wiring diagram, and ensure the shield layer is grounded to minimize interference.

• What does the 'Q.C. PASS' sticker mean?

  The 'Q.C. PASS' sticker on your Acrel device indicates that the unit has successfully completed and passed the manufacturer's quality control inspections prior to shipment.