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by jdoggsc
Mon Jun 22, 2015 2:56 pm
Forum: Automation, sensing and robotics
Topic: LinuxCNC
Replies: 1021
Views: 326959

Re: LinuxCNC

Hey Kinsa, thanks for the response. BTW, whenever picnc.spi_fault=1 happens, it means that the SPI data stream fails its integrity check. The joint errors that you see is actually not a valid joint error as the data for that particular axis is corrupted due to noise. That's what I figured, but I won...
by jdoggsc
Mon Jun 22, 2015 3:21 am
Forum: Automation, sensing and robotics
Topic: LinuxCNC
Replies: 1021
Views: 326959

Re: LinuxCNC

I finally got some time to work on this again. Here's what I've done: Ground all chassis elements, cable sheaths, and workpiece to earth ground. Doing this, the spindle spin-up problem is avoided but there are still problems during operation. For instance, when I connect only the z-axis motor, at sp...
by jdoggsc
Thu Jun 18, 2015 12:30 am
Forum: Automation, sensing and robotics
Topic: LinuxCNC
Replies: 1021
Views: 326959

Re: LinuxCNC

you're right. I have forgotten to check the status of spi_fault. I'm out of town for the next few days. I'll set myself a reminder to check that when I get back home and I'll try isolating the motors one-by-one. Thanks for the suggestion.
by jdoggsc
Wed Jun 17, 2015 9:51 pm
Forum: Automation, sensing and robotics
Topic: LinuxCNC
Replies: 1021
Views: 326959

Re: LinuxCNC

Hey all, With Kinsa practically holding me by the hand each step of the way, I finally got my machine to work with LinuxCNC using his PICnc v2.1 board. However, I have been having some electrical noise issues... I have a CNC mill setup that I had been using to make PCBs using some single-sided coppe...

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