Advanced Search

If I understand what I've just read correctly, G0 moves are full speed, whereas G1 are controlled?

This would explain why the tool change/probing code I used as the basis for mine uses G1 calls.

However if it is only the first feed move after the spindle start that matters then I may be able to work around it by making the first move a rapid one?

I'll have a look at whether there's a way to have a "true" value when it is stopped anyway.

thanks for the quick response.   NO i have been looking a bit for latency improvment,  but i did not get anywhere,   I am trying to get a actual AC servo to practice  with, and i am still looking at breakout boards,    AND wondering if it will just be easier to go with Mesa boards???

   i hate to say it but i am going to have to start from scratch with your suggestions,    But i am trying to search them now.   

Thanks 

The latency will limit your maximum speed but not interfere with basic LinuxCNC operation.

Have you gone through the various latency improvement options:

Disable all speed switching/turbo modes in the BIOS

Disable any power management in the BIOS (C states > C1 etc)

Disable hyperthreading

Set isocpus-L in kernel command line (with grub)
(where L is the last processor so 3 for example with a 4 core machine)