Gary, thanks as always. I've not been able to get the serial comms working and even though I've tuned the drives manually, I am uncertain if the value it pops out after auto tuning is actually used.

I had also tuned them with no load which is incorrect but I'll realpolitik at that.
Quote Originally Posted by Gary View Post
Chaz,
For the kinco drivers you have you should tune the velocity loop with the autotuning with the load applied. (connected to the ballscrew and table mass) and once done, you can then do the tuning with the cslabs controller. the tuning fails, reset the driver to defaults, set the driver up again and tune again.