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  • Aciera
  • Aciera's Avatar
28 Oct 2025 07:09

Need Help in Kinamatics of Small DIY 6dof robotic arm.

Category: Advanced Configuration

1. I don't see anything obviously wrong with your DH parameters
2. I would agree with @heaven that you are in a singular position. Which will lead to the inverse kinematics failing. In your pictures j5 is collinear with j3. Trying a different start position for j4 should help.
  • hanz24
  • hanz24's Avatar
28 Oct 2025 06:50
Replied by hanz24 on topic hal configuration

hal configuration

Category: HAL

i already try that too, change the hal into lcec.0.0.cia-statusword but still got the same error. is it because my drive is not detectable using "halcmd show pin lcec" comand? because when i try that there is no result, but its still show up by using ethercat slaves.
  • rodw
  • rodw's Avatar
28 Oct 2025 06:43
  • rodw
  • rodw's Avatar
28 Oct 2025 06:28
Replied by rodw on topic Which LinuxCNC HW for 2026+?

Which LinuxCNC HW for 2026+?

Category: General LinuxCNC Questions

Peter, I am curious if you have tested pinning the NIC IRQ to a non RT core (say second last core). From my research it was better to put the NIC on a different CPU to the RT program which will be running on an isolated core.

There are so many sources of latency to quell on newer hardware and Linux versions
  • rodw
  • rodw's Avatar
28 Oct 2025 06:17
Replied by rodw on topic hal configuration

hal configuration

Category: HAL

Your slaves are numbered from 0 so I think you should use lcec.0.0.cia-statusword
  • amanker
  • amanker
28 Oct 2025 04:14

Need Help in Kinamatics of Small DIY 6dof robotic arm.

Category: Advanced Configuration

I want to know did I used correct values for genserkins pins according to my geometry
  • hanz24
  • hanz24's Avatar
28 Oct 2025 04:11 - 28 Oct 2025 04:56
hal configuration was created by hanz24

hal configuration

Category: HAL

I’m currently learning LinuxCNC with EtherCAT, following several tutorials such as those on YouTube by MetalMusings. I’m trying to connect one servo and a servo drive to make it move with LinuxCNC. I’ve followed the video and adjusted the configuration according to my slave device.However, I’m getting an error like the following. I’ve already made sure that the XML file and HAL pins are correctly matched. Maybe I missed something, or there’s something wrong with my XML/HAL file.

Machine configuration directory is '/home/linux-cnc/linuxcnc/configs/sim.axis'
Machine configuration file is 'lathe.ini'
Starting LinuxCNC...
linuxcnc TPMOD=tpmod HOMEMOD=homemod EMCMOT=motmod
Note: Using POSIX realtime
Found file(REL): ./ethercatlathe.hal
./ethercatlathe.hal:39: Pin 'lcec.0.1.cia-statusword' does not exist
Shutting down and cleaning up LinuxCNC...
Note: Using POSIX realtime

 
  • ihavenofish
  • ihavenofish
28 Oct 2025 03:59
Replied by ihavenofish on topic New ethercat / probe basic control for minimonster

New ethercat / probe basic control for minimonster

Category: CNC Machines

I found a hal and ini for a parker drive and commented out errors until it made it through and booted linuxcnc and had flashing lights on tx and rx. So we now have communication. Of course its all wrong cause its for a different VFD, but the communication is actually working.

Woo.
  • heaven
  • heaven
28 Oct 2025 03:29

Need Help in Kinamatics of Small DIY 6dof robotic arm.

Category: Advanced Configuration

Maybe you are in singularities, try another homing position
  • richcolvin
  • richcolvin's Avatar
28 Oct 2025 02:05
Replied by richcolvin on topic M19 for Indexing a Spindle using Stepper Motors

M19 for Indexing a Spindle using Stepper Motors

Category: General LinuxCNC Questions

Jean Philippe,

Thank you for sharing these. I greatly appreciate your generosity.

Am I correct I. My thinking that the magic for this is in the spindle.hal file?

Rich
  • ihavenofish
  • ihavenofish
28 Oct 2025 00:27
Replied by ihavenofish on topic New ethercat / probe basic control for minimonster

New ethercat / probe basic control for minimonster

Category: CNC Machines

Inching my way foreward.
Have a hal and ini for modbus now, and im getting an "out of range" error.

This happens if the drive in on or off, and im seeing no leds on the adapter. so perhaps the adapter is not enabled? Does it require a driver?

The chip on the adapter is CH340
  • boksi
  • boksi
28 Oct 2025 00:25

Mesa smart serial or PktUART or serial over RS232 or udp for robot joints

Category: Advanced Configuration

Great, in meantime I am wondering, rough estimation could it be all logic (6x uart + quadrature logic + 6 to 8 stepgens + 1 smart serial) packed to 6i25 or 7i92?
I think that I don't need C signal from encoder to count full revolutions.
Yes uart parameters are fixed.
I am seeing the next sequence, LinuxCNC will issue power up of servo drivers and encoders would be connected both to drivers and RS422 to TTL converters (encoders are RS422), so there would be 2 listeners per encoder on RS422 network (think this should not be a problem for RS422).
Drivers will issue power on for encoders and this is trigger for them to send data.
After RS422 -> TTL conversion then will be signal isolation and then fpga.
  • Lcvette
  • Lcvette's Avatar
28 Oct 2025 00:01

User Install for Probe Basic Py3 (For Machine Control)

Category: QtPyVCP

Review the config in settings section to make sure everything is there that needs to be. 30-40 seconds means something is wrong in the config most likely. Just go through line by line and read everything carefully to make sure you didn't overlook anything. Should fix your issue. When in doubt compare to the SIM config. If it works as expected then go through your machine config again and find the error or missing item.
  • ihavenofish
  • ihavenofish
27 Oct 2025 22:02
Replied by ihavenofish on topic New ethercat / probe basic control for minimonster

New ethercat / probe basic control for minimonster

Category: CNC Machines

Thanks. Problem is I don't really know what to do with this.
  • Hakan
  • Hakan
27 Oct 2025 21:02
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