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Centroid Acorn CNC controller Quick start guide.

Minimum Components and Tools needed to build an Acorn based CNC control:

- Centroid Acorn CNC controller kit
- A Windows 10 PC that meets the Centroid Acorn Minimum CNC PC requirements
- Typical electrical assembly tools, multi meter, wire stripper, screw drivers, crimp connectors, etc.

Unpack and familiarize yourself with what is included with Acorn cnc controller kit, download the Centroid Acorn hookup schematics to follow.

*Warning*

1.) Do not use the USB port found on the Beagle Bone Motion control CPU. The USB port is used for firmware installation and updating firmware ONLY. The Acorn CNC controller communicates with the CNC PC via the Ethernet connection NOT the USB port. The Acorn board is NOT powered thru the USB port. Do not plug anything into the USB port. The Beagle Bone is preloaded with the proper firmware at Centroid and is installed onto the Acorn board and tested before shipping so everything is ready to run. No need for user to install firmware.

2.) Do not de-power the Acorn board while CNC12 software is updating the firmware on the Acorn board. CNC12 software will usually update the firmware on the Acorn Board the first time it communicates with the Acorn board and/or during the first time a new version of CNC12 is started. CNC12 will say "MPU Rebooting". DO NOT power off the Acorn board at this time.. let CNC12 finish the firmware updating process. It is safe to restart the CNC12 software at any point..just don't remove the power from the Acorn board during CNC12 initialization if it is updating the firmware on the Acorn board. If the firmware does get corrupted due to a power removal, you "bricked it" (corrupted the firmware). You know if you "bricked it", if the Acorn board's blue Heartbeat light is not flashing once per second.. The heart beat light lets you know that the firmware on the Acorn board is up and running and is ready to connect to CNC12. If no heartbeat then the Acorn CPU called a BBG (Beagle Bone Green) will have to be "De bricked". It is a simple procedure explained here...(note the de bricker instruction can also be used to "build" your own BBG for Acorn use.)

 
Step 1: CENTROID CNC PC minimum hardware and benchmark requirements for proper CNC control operation.
Verify that the PC intended for use with the Acorn CNC Controller meets the minimum performance requirements according to this web page. (from here on out this PC will be referred to as the “CNCPC”)

We highly suggest using an Intel NUC model #NUC7i3BNK and a Touch Screen LCD display
You can purchase an Intel NUC from Centroid with all the CNC software preloaded with base mill and lathe cnc configurations ready to run here.....

But if you want to build, buy or use your own CNCPC here are the Centroid Primary CNCPC requirements:

1.) The PC CPU must have a SINGLE CORE minimum benchmark of 1500.  You can look up a CPU’s benchmark # using this web site.

http://cpubenchmark.net/singleThread.html  

Notice that this is the “Single Thread” benchmarks chart.
Using a CPU with a single thread  benchmark rating higher than 1500 is required

2.) While not required...it is highly recommended to use a SSD (solid state drive)  We only recommend Intel or Samsung SSD’s

3.) minimum 4 Gig’s of Ram

4.) Windows 10 that is configured for CNC control use see Step 2 below.

5.) Ethernet port

 
Step 2: Configure Windows 10 for for CNC use. Follow this video to prepare the CNCPC for compatibility with the Acorn CNC hardware and software. Be sure to perform every details when configuration Windows 10. If you bought a Centroid CNC PC you can skip this step and go to step #2.
     
 
Step 3: Connect Power and Ethernet to the Acorn CNC control board in preparation for the software installation. Wire Logic Power to the Acorn board and connect Ethernet cable to the Acorn board and then to CNC PC and Power up the Acorn board. (DO NOT CONNECT any other wires to the Acorn board at this point!) only the logic power and ethernet connections as seen in this video. download the Centroid Acorn hookup schematics to follow.
     
   
     
 
Step 4: Download the Centroid Acorn CNC control software here, place the Centroid Acorn CNC12 software zip file on the desktop of the CNCPC and follow this software installation video.
     
 
Step 5: Bench Test Running Motors. Marty shows us how to connect up the Acorn CNC controller to axis motors using the Gecko G540 stepper drive and stepper motors as an example
 

Tech Bulletin on individual setup subjects.

1.) TB37 Measuring Motor turns per inch.

2.) TB37 Measuring Backlash

3.) TB78 Common Wiring Problems

4.) TB294 Configuring Notepad++ for CNC Gcode editor use

5.) TB297 Yaskawa Sigma drive setup for Acorn CNC controller use

 

 
 
           
 

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