Cathrine Hribar wrote: > > would u know of anyone who has a used servo amp for sale, I have a servo I > picked up locally and would like to experiment with it. > I make some pretty inexpensive servo amps for brush motors, $125 each. Good to 120 V 20A. They take a digital PWM input, so you could drive it with a 555 timer for testing. I make a PWM controller for EMC to go with the servo amp. Most commercial servo amps do not take step/direction signals. (I know how to make Yaskawa servo packs do that, however.) You can get Copley/AMC analog servo amps on eBay with a little patience.
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