CDJ1 Digital Motor Soft Starter User Manual

About this manual

The CDJ1 series digital motor soft starter is designed for three‑phase cage‑type asynchronous motors. The manual provides safety guidelines, installation steps, wiring diagrams, operating principles, keyboard/display functions, dimensions, and fault troubleshooting.

It also includes detailed information on external control interfaces, MODBUS communication protocol, and parameter settings for various start‑up modes such as voltage‑ramp, current‑limit, and soft stop. This manual is written in Chinese.

What's inside

• Overview
• Purchase Inspection
• Installation
• Basic Wiring Diagram
• Operating Principle
• Keyboard and Display Description
• Dimensions
• Troubleshooting
• Secondary Wiring Diagram
• MODBUS Communication Protocol

Specifications

Frequently asked questions

Can the input terminals be connected to the output terminals?

No, connecting the input terminals (L1, L2, L3) to the output terminals (U, V, W) is not allowed.

What is the allowed start frequency per hour?

The starter may be used up to 12 times per hour.

What is the operating temperature range?

The device operates from -30 °C to +55 °C.