Yongnuo Electric Co., Ltd. Three-Phase Four-Wire Rail-Mounted Energy Meter User Manual

About this manual

The document is a user manual for the Yongnuo Electric Co., Ltd. Three-Phase Four-Wire Rail-Mounted Energy Meter (Four-Module). It covers product specifications, display descriptions, and operational procedures including how to set passwords and modify parameters via the menu system.

Detailed sections include installation guidelines specifying requirements for DIN rail mounting, environmental conditions, and sealing. The manual also provides a comprehensive table of MODBUS-RTU communication registers for reading voltage, current, power, and energy data. This manual is written in Chinese.

What's inside

• Overview
• Technical Parameters
• Programming Menu Structure
• Display Description
• Operation Instructions
• Installation Instructions
• Wiring Diagrams
• Digital Communication

Specifications

Frequently asked questions

What is the warranty period for this energy meter?

The warranty period is 24 months after installation.

Can I open the front cover of the meter?

No, you should not open the front cover or break the sealing strip as it voids the warranty.

What communication protocol does this meter support?

The meter supports MODBUS-RTU communication.