opinions on integrated stepper/drivers?


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David Rokeby

I am looking at AMCI and Baldor integrated stepper/driver units. Any opinions on the general advisability of using integrated motors + drivers? Any opinions on the quality of these two company's products?
i have looked at the parallax stepper driver board and the national semiconductor lmd18200 ic, but it would be great to find some contacts and swap control info. i am familiar with allen bradley slc-500 series, the bottom of the food chain of controllers, and i have made a stepper somewhat step with a basic stamp, but if you have any stepper suggestions i would appreciate it.