HNC HNC-21T Lathe CNC Controller Operating Manual

This manual covers the operation, programming, and maintenance of the HNC-21T lathe CNC controller, including power management, manual control, and…

Brand: HNC
Category: Industrial Robot
Document type: User Manual
Language: Chinese
Pages: 123
File format: PDF
File size: 2.7 MB
Updated: 16 October, 2026
MD5 checksum: B7AF526ABC89E462A9BFCB476335E7CB
PDF: HNC HNC-21T Lathe CNC Controller Operating Manual PDF

About this manual

The HNC-21T is a high-performance, economical CNC controller developed by Wuhan Huazhong Numerical Control Co., Ltd. based on the HNC-1T system. It is a PC-based unit designed for lathes, featuring a built-in PLC, a 7.5-inch color LCD display, and support for up to 4 axes of control. The system is compatible with various servo drive units and offers features such as open architecture, compact structure, and high reliability. This manual is written in Chinese.

What's inside

Overview
Power On/Off & Emergency Stop
Manual Machine Operation
Data Settings
Program Input & File Management
Program Execution
Network & Communication
Display Modes
Parameter Settings
Troubleshooting

Specifications

Maximum Control Axes	4 axes
Maximum Interpolation Axes	4 axes
Maximum Programming Size	99999.999mm
Minimum Resolution	0.01 m-10 m
Display	7.5 inch Color LCD
RAM	8MB (expandable to 16MB)
Flash ROM	4MB (expandable to 72MB)
RS232 Baud Rate	19200 Baud

Frequently asked questions

What is the maximum number of control axes for the HNC-21T?

The maximum number of control axes is 4.

What is the minimum resolution of the HNC-21T?

The minimum resolution is settable between 0.01m and 10m.

Does the HNC-21T support network communication?

Yes, it supports Ethernet interface as an optional feature.

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