The Huazhong CNC HNC-21M operation manual details hardware configuration, technical specifications, interface functions, and step‑by‑step operating…
The HNC-21M is a high‑performance, PC‑based CNC controller for milling machines developed by Huazhong CNC. It features a 7.5‑inch color LCD, embedded PLC, and supports up to four axes with various servo and stepper drive options.
The manual provides a complete description of the unit’s basic configuration, technical specs, control panel layout, software interface, and detailed procedures for power‑on, emergency stop, manual operation, data setting, program editing, network communication, display options, parameter configuration, fault handling, and maintenance. This manual is written in Chinese.
| Display | 7.5‑inch color LCD, 640×480 resolution |
|---|---|
| Memory (DRAM) | 8 MB (expandable to 16 MB) |
| Flash ROM | 4 MB (expandable to 72 MB) |
| Maximum Axes | 4 axes (X, Y, Z, 4th) |
| Maximum Programming Size | 99999.999 mm |
| Minimum Resolution | 0.01 mm |
Use the Ethernet port as detailed in section 7.1 "以太网连接".
Select the program and use the function keys (e.g., F2 for edit) as described in the "程序编辑" subsection of chapter 5.