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  • rockcnc
  • rockcnc
15 Sep 2024 12:09
Replied by rockcnc on topic getting spindle speed in python

getting spindle speed in python

Category: General LinuxCNC Questions

  
import linuxcnc s = linuxcnc.stat() s.poll() sp_speed = s.spindle_speed
Am i writing the wrong command?
  • tommylight
  • tommylight's Avatar
15 Sep 2024 12:05
Replied by tommylight on topic scorbot-er-3

scorbot-er-3

Category: Installing LinuxCNC

It is also looking for a serial port from Python...
  • phillc54
  • phillc54's Avatar
15 Sep 2024 12:03
Replied by phillc54 on topic Showstopper Plasma Cutter retrofit

Showstopper Plasma Cutter retrofit

Category: Show Your Stuff

That seems a bit odd as default plasmac configs don't use the LinuxNC internal probing, they usually use external offsets.

But isn't plasmac.ohmic-enable only enabled when ohmic probing? We monitor that too.

Yes, but probing is enabled from the beginning of the down motion before probe height is reached because fast probing is valid.
  • Aciera
  • Aciera's Avatar
15 Sep 2024 12:02
Replied by Aciera on topic scorbot-er-3

scorbot-er-3

Category: Installing LinuxCNC

Indeed, the error does not appear running this on a machine with real time kernel.
Note that you may have to add the user account to the group 'dialout' to be able to access the serial port.
  • Aciera
  • Aciera's Avatar
15 Sep 2024 11:54 - 15 Sep 2024 11:56
Replied by Aciera on topic getting spindle speed in python

getting spindle speed in python

Category: General LinuxCNC Questions

it's giving me some errors


so what errors do you get?


[edit]
Sharing your python code might also be helpful.
  • rodw
  • rodw's Avatar
15 Sep 2024 11:39
Replied by rodw on topic Showstopper Plasma Cutter retrofit

Showstopper Plasma Cutter retrofit

Category: Show Your Stuff

That seems a bit odd as default plasmac configs don't use the LinuxNC internal probing, they usually use external offsets.

But isn't plasmac.ohmic-enable only enabled when ohmic probing? We monitor that too.
  • phillc54
  • phillc54's Avatar
15 Sep 2024 11:30
Replied by phillc54 on topic Showstopper Plasma Cutter retrofit

Showstopper Plasma Cutter retrofit

Category: Show Your Stuff

Deleting the var file was a placebo. When you receive that error, it's because the ohmic probe tripped prior to reaching probe height. 

This cannot happen. Ohmic sensing monitors motion.motion-type and can only activate when linuxcnc is actually probing, If its triggering, it has to be the breakaway or float switch.

That seems a bit odd as default plasmac configs don't use the LinuxNC internal probing, they usually use external offsets.
  • rockcnc
  • rockcnc
15 Sep 2024 11:12
getting spindle speed in python was created by rockcnc

getting spindle speed in python

Category: General LinuxCNC Questions

Hello everyone
I want to read spindle speed in Python, but it's giving me some errors and not lunching linuxcnc
I tried it as the documentary said but don't know why it isn't working 
I'm reading some other states at the same time, but whenever I add  spindle_speed(returns float) - spindle speed value, rpm, > 0: clockwise, < 0: counterclockwise. its giving me errors
  • hmnijp
  • hmnijp
15 Sep 2024 11:07
Replied by hmnijp on topic Problems with Lichuan Ethercat servo drive

Problems with Lichuan Ethercat servo drive

Category: EtherCAT

A few things left to do is to set a "homed" flag for the axes when enabling the machine, so I don't need to do the button press manually. If someone has an idea how to correctly set this up, any help is much appreciated.
 


you can do it like this
loadrt flipflop names=flip-is-on
addf flip-is-on servo-thread

net is-on       halui.machine.is-on  =>  flip-is-on.set
net is-on-reset motion.is-all-homed  =>  flip-is-on.reset
net go-home     flip-is-on.out       =>  halui.home-all
  • rodw
  • rodw's Avatar
15 Sep 2024 11:04
Replied by rodw on topic Showstopper Plasma Cutter retrofit

Showstopper Plasma Cutter retrofit

Category: Show Your Stuff

Deleting the var file was a placebo. When you receive that error, it's because the ohmic probe tripped prior to reaching probe height. 

This cannot happen. Ohmic sensing monitors motion.motion-type and can only activate when linuxcnc is actually probing, If its triggering, it has to be the breakaway or float switch.
  • JT
  • JT's Avatar
15 Sep 2024 10:59
Replied by JT on topic scorbot-er-3

scorbot-er-3

Category: Installing LinuxCNC

You will need a real time kernel to run LinuxCNC.

Note: Using POSIX non-realtime
This means you're using a non-realtime kernel.

JT
  • rebelx
  • rebelx
15 Sep 2024 10:17 - 15 Sep 2024 10:18
Replied by rebelx on topic LMDE6 or Mint 22 ??

LMDE6 or Mint 22 ??

Category: Installing LinuxCNC

I would like to revoke the previous post for now, as I need to do some further testing.
  • machinedude
  • machinedude's Avatar
15 Sep 2024 09:55
Replied by machinedude on topic What do you really get for a $350 desk top engraver ?

What do you really get for a $350 desk top engraver ?

Category: Show Your Stuff

 

after testing one thing was clear the most improvement came from added torque. i found this formula for torque vs micro stepping. i started with 4,000 and went up to 12,800 to test for resolution problems and did not see any change between to two.

using this formula i would have 3.2 times more the torque running at the 4,000 micro steps setting compared to 12,800

i need to test more with this and see what i figure out.
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