TheUSR2556ndi mtundu watsopano wa dalaivala wa stepper wotseguka womwe unayambitsidwa ndi Rtelligent, ndipo lingaliro la kapangidwe ka chinthucho limachokera ku zomwe takumana nazo m'munda wa stepper drive kwa zaka zambiri. Pogwiritsa ntchito kapangidwe katsopano ndi njira yatsopano, mbadwo watsopano wa dalaivala wa stepper umachepetsa bwino mphamvu ya resonance ya mota yothamanga kwambiri, uli ndi mphamvu yolimbana ndi kusokoneza, pomwe umathandizira kuzindikira kozungulira kosagwiritsa ntchito njira yoyendetsera, alamu ya gawo ndi ntchito zina, umathandizira mitundu yosiyanasiyana ya malamulo a pulse, kumiza kambirimbiriszinthu.