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  1. 17-02-2015 #1
    EddyCurrent's Avatar
    Lives in West Cumbria, United Kingdom.
    EddyCurrent
    Last Activity: 02-10-2024 Forum Superstar, has done so much to help others, they deserve a medal. Has been a member for 9-10 years. Has a total post count of 2,197. Received thanks 276 times, giving thanks to others 110 times. Is a beta tester for Machinists Network features.
    One of life's little mysteries, peak or RMS. Apparently all stepper motors are specified with RMS currents, peak current varies as microstepping is applied. At least if you use the peak value they won't overheat.
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  2. 17-02-2015 #2
    Noplace's Avatar
    Lives in Jerdab, Bahrain.
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    Last Activity: 12-10-2017 Has been a member for 9-10 years. Has a total post count of 158. Received thanks 1 times, giving thanks to others 61 times.
    Quote Originally Posted by EddyCurrent View Post
    One of life's little mysteries, peak or RMS. Apparently all stepper motors are specified with RMS currents, peak current varies as microstepping is applied. At least if you use the peak value they won't overheat.
    I just opened protuner and the configuration showed 'Peak (A)' or something like that so it lets you change the peak only, so I just set it as 4.2A for now. thanks!
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