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Hi again. I have sorted the power issue (manual was no help at all). Now, I have it set to Linuxcnc using ethercat. It is all communication etc. I want to run the servo as a spindle motor so just have the target-velocity (60FE). How do I create the 'pins' to tell the drive to turn at say 1000rpm with an M3 command is given. I have done the many times using a VFD (much easier but space and weight limits force me to use a servo).

I am soooo out of my depth here, any help is always hugely appreciated. (I have already looked through the various threads and found no help after hours of scrolling)

Excellent, thanks again for the help. Now, looking at what @Andy mentioned, what would be the advantage of the 6i24-16 (I understand this is the one being referred to) over the 6i25? I see that it has more expansion possibilities for the future, but in terms of processing capability and other aspects, is there any difference?

From what I’ve checked, I think that with the 6i25, 7i77 and 7i74 I already have a very large working possibility. Also, I couldn’t find a way to use a 4th axis in the future with the 50-pin options, since they come with control for 4 analog servos, and I understand that one of them would have to be used for the spindle. That means I’d have to use one of the 6i24 configurations that allows 8 servos (which in my case seems unnecessary). So I’d like to know what would be the advantages of using a configuration with the 6i24.

@Tommy, thank you very much as well for your reply to Andy. I was checking which workstation models I could use with these configurations, and I noticed that the ones you mentioned are actually available here in my country (Argentina, which has a lot of issues with getting certain hardware). So thanks to both of you, I’ll keep researching the advantages and options.