Todd Zuercher wrote: > My motors are brushless, and I intend to use Linuxcnc. > > It sounds like (as I suspected) Yaskawa drives are not an option. > If you don't need 6000 RPM, then I might suggest the Pico Systems brushless PWM servo amp and our PWM controller. They are good to 120 V, so you can still get 3000 RPM. The motor must provide commutation signals either from the motor or the encoder for most drives. There are sensorless drives that can work without those signals, they do cost extra.
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