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  • timo
  • timo
05 Mar 2025 05:30 - 05 Mar 2025 05:32

(not really) New machine geometry for plasma

Category: Plasmac

If you have no space you can mount a Kuka robot on the seiling. :-)


But I think plasma makes some mess, so a big feature is the water tray.
I skipped any ideas of laser or plasma. Laser I find too expensive for my hobby. $$$ and a plasma has to compete with the local laser company that cuts things for a small fee.
  • Masa
  • Masa
05 Mar 2025 04:46
question of Homing was created by Masa

question of Homing

Category: EtherCAT

I am using LinuxCNC+EtherCAT to retrofit an old NC controller in Japan. I am not good at English, so I am posting on the forum using Google Translate.

I apologize if it is difficult to read.

I am currently using an old torque-controlled servo amplifier controlled by Beckhoff's EL5101+EL4132.

The problem is that in Homing, Index-enable is connected to jioint, PID, and Encoder, but when it is moving at the HOME_LATCH_VEL speed, when it seems to detect the C phase of the Encoder, it goes into a runaway state for a moment and immediately goes to the HOME_FINAL_VEL speed.

After Homing ends, the same phenomenon does not occur when Homing is performed again. It only occurs during Homing immediately after powering on.

When I made it with EM7004 before, I was told that I did not connect Index-enable to PID, but this time I am having trouble resolving the problem.

I cannot increase the PID gain because it goes out of control.

I am attaching the INI and HAL. Please let me know if there are any mistakes.

I am using LinuxCNC 2.9.4. The EM7004 system was created with 2.3.2 and has not been upgraded.

I have asked a question on "General LinuxCNC Questions" about whether there is a problem with the PID, but I was unable to find a solution.

Thank you in advance.
sg01@SG01-1015:~$ ethercat slaves
0  0:0  OP  +  EK1100 EtherCAT-Koppler (2A E-Bus)
1  0:1  OP  +  EL5101 1Ch. Inc. Encoder 5V
2  0:2  OP  +  EL5101 1Ch. Inc. Encoder 5V
3  0:3  OP  +  EL5101 1K. Inc. Encoder 5V
4  0:4  OP  +  EL5101 1Ch. Inc. Encoder 5V
5  0:5  OP  +  EL4132 2Ch. Ana. Output +/-10V, 16bit
6  0:6  OP  +  EL4132 2Ch. Ana. Output +/-10V, 16bit
7  0:7  OP  +  EL1088 8Ch. Dig. Input 24V, 3ms, negative
8  0:8  OP  +  EL1088 8Ch. Dig. Input 24V, 3ms, negative
9  0:9  OP  +  EL2088 8Ch. Dig. Output 24V, 0.5A, switching to negative

 
  • JohnnyCNC
  • JohnnyCNC's Avatar
05 Mar 2025 04:15
Replied by JohnnyCNC on topic Work with probe

Work with probe

Category: Basic Configuration

I really like the look of QTDragon_HD too. I am using it with a ASUS VT229 21.5" touch screen monitor. It works really well.
  • rodw
  • rodw's Avatar
05 Mar 2025 04:09

How to Install an Older or Different Version of EtherCAT?

Category: EtherCAT

I think you would need to build from source so you can select the code branch via git checkout
  • shaying526
  • shaying526
05 Mar 2025 03:38

How to Install an Older or Different Version of EtherCAT?

Category: EtherCAT

Dear forum members,
Hello!

I followed the stickied post to install Linuxcnc and EtherCAT, titled "EtherCAT installation from repositories - how to step by step". I simply want to switch to a different version of EtherCAT for some experiments, without altering any other software or configurations. How should I proceed?
 Thank you very much for your valuable time and assistance! I look forward to your replies.
Best regards
  • ihavenofish
  • ihavenofish
05 Mar 2025 03:19
Replied by ihavenofish on topic New ethercat / probe basic control for minimonster

New ethercat / probe basic control for minimonster

Category: CNC Machines

watched that vid... doesnt help. haha. (well no, it helps a little)
the auto config i did see but i got the impression it wasnt quite ready to go.
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