I think something got mangled in the reply. The 4 to 20 supply voltage
rule applies in either case (round or square). The power supply current
rule is 2/3 of the motor's rated current for round motors, equal to the
motor's rated current for square motors.
Mariss
--- In
geckodrive@***********.com, "jerryflyguy"
wrote:
>
> Mariss I've been talking to Mr Campbell from Campbelldesigns.com, and
> figuring out my power supply requirments. He mentioned that your 4 to
> 25 times the rated stepper voltage formula, actually only applied to
> the old round motor's. He also mentioned you were planning to come
out
> with a new number/formula for the new, more effecient sqr motor's.
I'm
> just wondering if you could pass on what that number should be? I'm
> looking at running Nema 34's w/ 2.3 v and 6.3A per phase. [four in
> total] also I remember reading someplace that a person should total
> their needed current and then build the power supply to meet 65% of
> that number.. is this correct or is my memory giving me fits??
>
> Thanks!
> Jarrett Johnson