This document is the user manual for MD320/MD320N series inverters, which explains how to correctly use this series of inverters, including installation, operation, maintenance, inspection, etc. This series of inverters adopts modular design and can be flexibly combined according to customer needs. It has features such as high-performance motor control module and general function module.
This manual introduces the MD320/MD320N series inverters, describing their modular high‑performance design, safety precautions, and the three‑layer architecture (bottom motor control module, middle general‑function module, top industry‑specific module). It also explains the differences between the MD320 and MD320N models, including mechanical features and optional accessories.
The document is organized into chapters covering safety, product specifications, mechanical and electrical installation, operation and display, detailed parameter tables, EMC guidelines, multi‑speed and PLC functions, fault diagnosis, and appendices for various expansion cards. A warranty section and contact information for Inovance support conclude the manual. This manual is written in Chinese.
| Digital Inputs (DI) | 5 bidirectional, 4 unidirectional |
|---|---|
| Speed Segments | 16 (MD320) / 4 (MD300) |
| IP Protection | IP54 (optional) |
| Communication Protocols | MODBUS (standard), optional PROFIBUS, DeviceNet, CANopen |
The product warranty period is ten months as indicated by the barcode information.
The MD320 provides five bidirectional digital inputs and four unidirectional digital inputs.
MODBUS is the standard protocol, and optional expansion cards enable PROFIBUS, DeviceNet, and CANopen compatibility.