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  • tlightus
  • tlightus
Today 16:33

calling subroutine from G54, G55, G56, but it acts weird

Category: O Codes (subroutines) and NGCGUI

i did notice you use machine zero as the G54 offset. try setting it off that and run the test.
  • zippoffs
  • zippoffs's Avatar
Today 16:06
Replied by zippoffs on topic DIY CNC Mill - Random Limit Switch Errors

DIY CNC Mill - Random Limit Switch Errors

Category: Milling Machines

I think I got it! 
I tried moving the AC lines by the BOB, but that didn't work, probably because I didn't move them far enough. Last night I added a ferrite on the AC lines, and I was able to run the program without failing. This morning I removed the earth ground because it was temporarily through my window, and ran the program again. It did fail. 
When I started building it I had installed an EMI filter on the main power coming in, before the breaker box. I now realize that anything coming in is negligible compared to what the VFD produces. So I moved the filter to the VFD 220v lines. I think that fixed it! I have now run the program three times without fail! (see pic)

Thank you everyone for your help!

For those looking at this later, here is what I learned:
  • Interference is a BIG ISSUE
  • Separate AC and DC lines as much as possible
  • Use shielding on low voltage signal lines (maybe fine without if 24v)
  • Use a shielded spindle cable and keep it short! 
  • Ground all shielding, but only at one end
  • Avoid ground loops - only have one ground connection for each component
  • Use ferrites/EMI filters on the lines coming in and out of the VFD - this solved my problem!
  • Ferrites may help stop interference - try putting them if other things don't work
Do these things from the beginning! It will save you a huge headache.
  • grandixximo
  • grandixximo's Avatar
Today 15:44
Replied by grandixximo on topic Ethercat random jitter fix

Ethercat random jitter fix

Category: EtherCAT

github.com/linuxcnc-ethercat/linuxcnc-et...631ab668516b649fcaaf

Posted the PR
Will be happy to get some feedback, thanks
  • dann1324
  • dann1324
Today 13:46
Replied by dann1324 on topic 7c81 + 7i73

7c81 + 7i73

Category: Driver Boards

Okay,I did a dumb haha. I got a little too hung up on pncconf not picking up the 7i73. So I started linuxcnc and ran halcmd show pin | grep 7i73 and they're all there. I'm just going to set my pins in my hal file and it should be good to go
  • dann1324
  • dann1324
Today 13:09
Replied by dann1324 on topic 7c81 + 7i73

7c81 + 7i73

Category: Driver Boards

Thanks for the quick response. I ran mesaflash --device 7c81 --addr /dev/spidev0.0 --spi --sserial and seems like it's communicating with the 7i73! I'm still not sure why pncconf isn't showing it? Is there some extra hal configuration that I need to do?

Here's the truncated output from the mesaflash command, just to show it is there
...
SSLBP port 0:
SSLBP Version: 1.43
SSLBP Channels: 2
SSLBP Baud Rate: 2500000
sserial device at channel 1: 7I73 (unit 0x130001F9)
SwRevision = 14
HwRevision = 1
NVBaudRate = 2.5Mb
NVUnitNumber = 0x130001F9
NVWatchDogTimeout = 50ms
.....
  • RotarySMP
  • RotarySMP's Avatar
Today 12:31

How to install simplescreenrecorder on old version of Debian?

Category: Computers and Hardware

I could but that is a pretty huge overhead on a old pc. 
  • tommylight
  • tommylight's Avatar
Today 12:22

How to install simplescreenrecorder on old version of Debian?

Category: Computers and Hardware

No idea, but you can always use OBS-Studio
sudo apt install obs-studio
  • tommylight
  • tommylight's Avatar
Today 12:20
Replied by tommylight on topic Bluetooth Mouse on Linuxcnc

Bluetooth Mouse on Linuxcnc

Category: Basic Configuration

2.9.4 is based on Debian 12 so might have better luck asking on Debian forums.
  • MaHa
  • MaHa
Today 11:16
  • Lili
  • Lili
Today 10:57
Bluetooth Mouse on Linuxcnc was created by Lili

Bluetooth Mouse on Linuxcnc

Category: Basic Configuration

Hi, 
i installed Linuxcnc 2.9.4 , and would like to use Mouse with bluetooth(logitech m350s).
kommand sudo apt update shows that adding this repository is not safe and disabled by default.
WHAT TO DO ?:)
 
  • RotarySMP
  • RotarySMP's Avatar
Today 10:16

How to install simplescreenrecorder on old version of Debian?

Category: Computers and Hardware

Hi All,

My Maho 400E is still running an old version of Debian, with XFCE, that would have been the live CD back in about 2019. For my videos, I need to install simplescreenrecorder, as pointing a camera at the screen is lame.

I have tried:
sudo apt-add-repository ppa:maarten-baert/simplescreenrecorder
sudo apt update
sudo apt install simplescreenrecorder

This fails with "unable to locate simplescreenrecorder."

Please help with this. I seem to forget all linux knowledge the instant whatever I was trying to do gets done :/
Cheers,
Mark

 
  • abs32
  • abs32
Today 08:17

How to fix "Queue is not empty after probing"

Category: General LinuxCNC Questions

да пожалуйста.
According to my observations, the queue error simply replaced the error  Probe tripped during non-probe move.
  • NWE
  • NWE
Today 07:33

DIY CNC Mill - Random Limit Switch Errors

Category: Milling Machines

Wow, that's a lot to take in.

 

Sorry, I think I made too big a deal about some of this. That is a nice mill you've got. With a few tweaks it'll be fine.
  • NWE
  • NWE
Today 07:29

DIY CNC Mill - Random Limit Switch Errors

Category: Milling Machines

Do the 220v lines going from the breaker box to the VFD also emit interference?

Yes.
Not sure how I overlooked this part of your question previously.
  • NWE
  • NWE
Today 06:54
Replied by NWE on topic Request to add a Chinese section

Request to add a Chinese section

Category: Other Languages

那是正确的。
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