Mario. wrote: > My current requirement is simple. I need the PC to have quadrature > outputs. Well, EMC does this easily by selecting the right stepper mode. My Universal Stepper Controller board will output quadrature on an axis-by-axis basis by flipping DIP switches. So, there's two ways to solve the problem. The IC on the input on the side of the stepper motor is > capable of crunching... many milions quadrature changes per second. I > don't use servo yet, there is no need to be precise in those high > speed. the stepper motor mechanical phase skew versus the electrical > skew increases with speed, in fact it is the only source of torque and > motion. > My current version of the USC is only good for about 300,000 steps/sec, but I'm working on a new version with a faster clock, that should be able to go to 1 MHz quite easily.
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