On 04/22/2014 12:20 PM, Florian Rist wrote: > Hi Andy, > thanks for you comments. > >> Alternatively the Pico PWM brushless servo amp only needs a single >> channel of PWM: >> http://www.pico-systems.com/acservo.html > Ah, I see that would make thinks much easier. You COULD, in theory, run it with just the Direction signal in synchronous antiphase mode, but this may cause the filter inductors (and maybe the motor, too) to run hot. Our servo amp was designed to run in sign-magnitude mode. That only takes TWO signals, PWM and Direction.
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