They provide current output from 0.5A to 6A with 90-135VAC input, 50/60Hz, and provide software selectable resolutions from 200 to 51,200 steps/rev at speeds up to 133 rps. The Q programming environment provides benefits including register manipulation, conditional processing, math functions and multi-tasking. The drives include Self-Test and Auto Setup features to measure and configure motor parameters automatically, while anti-resonance technology eliminates midrange instability for higher motor speeds.