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  • wm56
  • wm56
22 Jun 2025 17:56 - 22 Jun 2025 17:58

Probe Basic Not Remembering Current Pocket Number

Category: QtPyVCP

Cześć.
Jak udało Ci się wyświetlić paski obciążenia servo w Probe Basic? Czy zrezygnowałeś z nich? Ja również używam tej karty od Dmitry'ego i jestem ciekaw, jak to rozwiązałeś.
  • lex200
  • lex200
22 Jun 2025 17:50

Issue with Inverse Kinematics Failing During Homing – 3-Axis Robot with LinuxCNC

Category: HAL

Hi,I am currently developing control software for a 3-axis robotic arm using LinuxCNC together with a Mesa 7i96S motion controller. Everything has worked well so far, until I ran into issues related to the Denavit-Hartenberg (DH) parameters defined in the HAL file.As a base, I used the Puma560 example, which worked correctly with the default DH parameters. However, after replacing them with my own DH values, I started encountering problems. Specifically, I’m unsure how to properly handle fixed theta values within LinuxCNC’s DH parameter structure, since there seems to be no direct way to set them.I have created a precise mechanical model of the robot and derived the necessary DH parameters accordingly. Despite this, I consistently receive an "Inverse Kinematics Failed" error whenever I attempt to run the "Home All" sequence for the joints.I’ve attached both the DH parameter values and a visual representation of the robot. The actual robot has 5 axes, but for the purposes of this project, I am controlling only 3 of them using stepper motors to keep the setup simple. I would be very grateful for any advice or guidance on how to resolve this issue.Best regards,
Lex 
  • endian
  • endian's Avatar
22 Jun 2025 17:48

Problems switching PDO assignments (EP5101-0011)

Category: EtherCAT

in the lower left corner you has the 2 check boxes ... check both and do the restart solution and activate solution ... 

everything should be written in the local memory ... but maybe you will probably need the initCmds file 

do not forget to activate DC .. because it is not active from default .. just SM synchro

if you are lazy, just use the console   to generate right configuration ... double click on the .exe ... then "c -i" enter .. then drag and drop your full master config export... 
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