The RichAuto DSP A11 CNC controller is a device that allows you to control the movement of a 3-axis CNC machine, such as an engraving or cutting machine. It is a standalone controller, which means it can operate independently of a computer and can be used to control the CNC machine offline.

The DSP A11 controller receives commands from the G code and sends them to the CNC machine, which then moves its various axes (X, Y, and Z) to execute the programmed motions. It is designed to be user-friendly and easy to use and includes features such as automatic tool compensation, automatic origin setting, and automatic tool length measurement.

Using a CNC controller like the DSP A11 can help increase the accuracy and efficiency of a CNC machine, particularly when working with materials that require precise cuts or engravings. It can be particularly useful for those working in industries such as manufacturing, engineering, or prototyping, where precise and complex movements are required.

In order to use the DSP A11 controller, you will need to connect it to your CNC machine and install the necessary software on your computer. You will also need to create or edit CNC programs using the software, and then load them onto the controller to be executed by the CNC machine.

RichAuto DSP A11 CNC controller 3 Axis CNC Motion Controller Remote For CNC Engraving Cutting

This is the original brand: RichAuto
DSP CNC controller for CNC router, USB connect, can be used without a computer.
Suitable for 3 axes.
A11E/A11S is the same as 0501. The function has improved, use in the same way.
A11E/A11S have replaced 0501 from 2015.

Product ModelRichAuto DSP A11 CNC Controller System
Internal Memory512MB
Display Screen128*64 Monochrome LCD
Communication PortU disk / USB cable
Controlled Axis Number3 axes
Control Signaldifferential signal
Drive Systemstep motor/servo motor
Min.Input Unit0.001mm
No Volt Protectionsupport
Breakpoint Processing Function8
External Power Supply Voltage24V DC
Manual ModeContinuous/point move/distance
Interpolation Wayline/arc
Soft/Hard Limitsupport
Max. Pulse Frequency1M/S
Password Protectionsupport
Support Languagesimple Chinese/traditional Chinese/English
Standard Configuration(1) DSP Handle (1) 50 core cable (1)USB cable  (1) Wiring board

What’s the difference between RichAuto A11E AND A11S two Versions?

The Operation and its system, it is all same. You could set the Language in DSP by yourself.
The only difference is:
The handle surface of A11E is English words without Chinese. (Default delivery model)
The handle surface of A11S has English and Chinese words.


1. Totally independent from the PC platform;
2. Directly read files from U Disk;
3. Easily process G code or PLT file with super size;
4. Strong system and process file examining function;
5. Easy to update system program;
6. It supports high micro steps which makes precise and fast processes possible;
7. Support to process part of the file;
8. Reliable data protection and recovery function;
9. Friendly operating interface

Upgrade RichAuto DSP A11

1. Store the latest upgraded compressed file to a USB flash drive and connect it to the RichAuto A11 control handle. In general, the file format is “**.PKG” and the handle screen appears as“ rz-xxxx” or “qxx-xx”.
2. Next, press the “MENU” then select “System Setup” and press “ORIGIN OK” to enter. Press “X+1▲” and “X-5▼” to select “Auto Upgrade”. (or Press “MENU” + “ORIGIN OK”. Screen display “Select Upgrade File”.)At this time, “Select Upgrade File” will be displayed on the screen;
3. Press “ORIGIN OK” to enter, choose “U disk File“, and select the upgrade file. Press “ORIGIN OK”, and the system will auto-upgrade.
4. After the upgrade to complete, restart the handle. 

Change Language from Chinese to English

Press the “menu” button, and choose“系统参数配置”(system parameter configuration) Press the “OK” button, choose“选择语言”(select  language) Press the “OK” button, choose “English” Press“OK” button

RichAuto A11 blank screen

Something we can find RichAuto DSP controller LCD is on but a blank screen with nothing, but the indicator light is on.


  1. Software malfunction, therefore we can correct it by crisis recovery.
  2. Computer software malfunction, but can not repair it by our personnel you’ll deliver it straight back to the distributor to re-put in the software or get a completely new one.
  3. Hardware malfunction, need to send out the RichAuto CNC control portable device straight back to the dealer to exchange the cracked hardware or acquire a fresh one.

RichAuto A11 DSP Controller how to fix Blank Screen by ourselves

Note, back up your data parameters before repairing.

1, Power of the CNC router.
2, Press the key “ORIGIN / OK” on the RichAuto A11 keyboard and do not loosen it, meantime switch on the router machine. After keep pressing the key “ORIGIN / OK” for 5 seconds, then loosen it.
3, Choose “Emerg program“, and press “ORIGIN / OK,” it’s formatting and will appear the dialog
4, Choose “Normal Version,” press “ORIGIN / OK,” then appear dialog
5, Press “ORIGIN / OK,” then return to the previous menu
6, Last step, please turn off and turn on the CNC router.
The emergency recovery setting is complete.