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23 Oct 2025 08:45

Replied by Hakan on topic Leadshine EL8 Servo motor clonking sound and motion

Category: EtherCAT

Show ethercat-conf.xml, please.
You probably need to add synchronization with DC clock.

23 Oct 2025 08:09

Leadshine EL8 Servo motor clonking sound and motion was created by Will_cnc

Category: EtherCAT

Current Setup:

Raspberry Pi 5
- 3 × Leadshine EL8 Servo Drives and 400W Motors
  
  Problem:
  I’ve recently set up LinuxCNC on a Raspberry Pi 5 and configured it to use the Probe Basic user interface.I’m experiencing an issue where the servo drives occasionally disconnect. The main symptom is that the motors sometimes make a “clonking” sound while running, as if there’s a mechanical fault and judder under movement . Power-cycling the system (turning it off and back on) sometimes clears the issue, and the motors then run normally.
  Could this problem be caused by poor latency on the Raspberry Pi 5, or possibly by the EtherCAT network going out of sync?Any advice or suggestions on how to resolve this issue would be greatly appreciated.

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