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G.The DP-4 is a mechanical trigger type probe. ![]() #CENTROID CNC SOFTWARE HOW TO#Contact Centroid forum for how to reinstall the software. #CENTROID CNC SOFTWARE SOFTWARE#5 The Acorn software can be corrupted if power is removed while CNC is updating it. 4 Always use the Ethernet cable supplied with the Acorn. If you don't see any lights on, move on to the next section. If you see other lights on but the blue light is not cycling on and off, something is wrong with the hardware or software of the Acorn 5. If the Acorn software is running and ready to accept messages from the PC, this light will cycle on and off once a second. An internal hardware failure The flashing blue light (blue arrow) should be visible inside the Acorn. #CENTROID CNC SOFTWARE INSTALL#As a last resort, install a known good Shielded Ethernet cable and see if it fixes the problem. When sliding the plug back in, listen for the click as the catch engages. There is a catch (red arrow) that must be released before you can slide the plug out. Then unplug each end of the cable and plug it back in. Since it is relatively easy to do, first power down the system. It could have failed 1) Do you see any sharp bends or dents in the cable? 2) If cable ties have been used, they should be easy to slide. it could be a plug that was pushed off center or is not seated. Then search the Internet with that name plus "windows Ethernet driver". For item c, you must know what Windows Ethernet hardware you own. #CENTROID CNC SOFTWARE DRIVER#The driver for the Ethernet hardware is out of date Follow the CNC software installation video found on the site to cover items a and b. One or more anti-virus programs is running b. This video will show you what to look for: If you do not see the flashing blue light, see Acorn, Section In the PC, see if any of these are true a. You will likely see the reflection of this blue light and not be able to see it directly. This LED is attached to the smaller board that plugs into the larger board. Check the Acorn's heartbeat LED is flashing on and off. Sparber Septem of 5ģ If you see the MPU11 has timed out message, try the following checks and tests. 3 This can be accomplished by powering both the PC and the Acorn at the same time. Installation problems and intermittent failures require a more complex strategy than can be presented here. I am going to assume that your system worked in the past and that the failure occurs every time you power up the system. If CNC prompts the user to Home the machine, it means this message exchange was successful and all players in this round trip transaction worked as expected. Acorn then acknowledges by sending a message back. Right after becoming stable, CNC sends a message to Acorn to verify it is present. If CNC tries to communicate with Acorn before it is stable, you will see this error message: MPU11 has timed out. It is essential that the Acorn be up and running before the CNC software is up 3. It passes the information along to the CNC software. Conversely, messages from the Acorn travel up the cable and are received by Ethernet hardware in the PC. ![]() It passes the information along to the Acorn's software. These messages travel down the cable and are received by Ethernet hardware inside the Acorn. The CNC software sends messages to hardware in the PC which drives the Ethernet cable. The Acorn, also a Centroid product, runs a program that comes preloaded with the hardware. Sparber Septem of 5Ģ The PC runs a program developed by Centroid called CNC. 2 The Acorn contains a Beagle Bone Green central processing unit. To view a copy of this license, visit or send a letter to Creative Commons, PO Box 1866, Mountain View, CA 94042, USA. 1 This work is licensed under the Creative Commons Attribution 4.0 International License. Thankfully, there are both software and hardware indicators that help the user locate the problem. If this cable or its related functionality fails to operate correctly, the system is down. One is a Windows PC and the other is semi-custom hardware called Acorn 2. 1 There are two computers in the Centroid Acorn System. The following was written with great technical support from them. I do not receive any money or goods from Centroid although I am a beta tester. #CENTROID CNC SOFTWARE FULL#Sparber Full disclosure: I am a customer of Centroid and do not represent them. 1 When the Centroid CNC Software Loses its Acorn, Version 2.1 By R. ![]()
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