Thanks I just saw your reply here http://www.mycncuk.com/threads/7946-...Nema-23-Tuning and got most of the answers, but I still wonder whats the best current is, the motor says 4.2A for the parallel connection I'm using, on leadshine EM806 site it mentions the peak and RMS current for each setting, which one should I consider? can the peak be higher than 4.2A if RMS is below?

thanks