Remora - ethernet NVEM / EC300 / EC500 cnc board

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2 years 10 months ago #288610 by beauxnez
hello, thank you for your help I will receive my card in a week
did you go through the stepconf?

you can try that. I tested it works but the voltage divider gave up the ghost

github.com/memisibram/Arduino-Plasma-THC...r%20all%20controller  

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2 years 10 months ago - 2 years 10 months ago #288611 by beauxnez
  on stm32 chips there are 8 analog inputs
Last edit: 2 years 10 months ago by beauxnez.

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2 years 10 months ago - 2 years 10 months ago #288617 by BrysonW
The configuration wizards don't really work for this application. If I remember right I ran one config just to look at the files it produced it think I told it a 7i96 mesa. You'll end up with a bunch of stuff that is clearly mesa specific. I'm thinking I copied the qtplasmac stuff out of that file though. But the files I posted I just started with the basic config that comes with the remora files from github. Hence why they are still named ec-500, I left the remora related stuff in there pretty much untouched, and just started adding to it. From there I started working through it adding one pin at a time. Using halshow in qtplasmac is going to be one of your best friends through that process.  Did you build.your own divider?  The plasma cutter were using has one built into it.  We currently have a standalone thc (proma sd, it came with the machine, wouldn't have been my choice) on our machine but it doesn't want to play nice with the divider that is in the cutter.  Plus having the thc on the main control screen would be much better that a standalone thc unit.  What I'm currently thinking is to put the arduino in the box that our current thc is occupying and where using modbus comes into play is I should be able to send the data back to the computer over ethernet.  I'm trying to avoid using usb to avoid as much potential for interference as possible.  
Last edit: 2 years 10 months ago by BrysonW.

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2 years 10 months ago #288618 by beauxnez
the voltage divider was made by a friend, I ordered the components to make this one

github.com/memisibram/Plasma_Voltage_Divider
The following user(s) said Thank You: BrysonW

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2 years 10 months ago #288656 by beauxnez
I'm going to try, I had started but the first modification I made I had an error message. So that made me give up a bit

I started with the ini file by modifying axis by qtplaslac and first error

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2 years 10 months ago #288965 by frayja2002
Hi all 

I was wondering if someone could give some further advise on joint following errors.
I am getting errors the first time i try to jog. Sometimes if I adjust the job speed the problem goes away.
The problem always seems to happen after the EC500 box has been power cycled.
If I exit LinuxCNC & re-enter it the problem (generally) goes away. Once I am able to jog the first time it never drops out again, even at max jog speed.

As per my previous post I have an EC500 box flashed with the latest firmware, LinuxCNC 2.9 on Debian 12.
I have tried playing with the PRU value in the hal file but that doesn't seem to make any difference.

I've included the relevant files

Thanks
Alex 

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