2-Phasen-Schrittmotor-Controller YKA2811S

2 phase stepper motor controller YKA2811SHigh performance, low price; Once the pulse stops for 100ms, phase current automatically reduce to20%-80%.(Its decided by STOP/Im,see the form below.); Bipolar constant current chopper control; Photocoupler isolated input/output; Adjustable drive current range from 0.5A/phase 8A/phase Single power input, voltage range from AC60V 130V The upmost pulse response frequence amounts to 200Kpps Protection of overvoltageoverheat and overcurrent Dimension:80*200*156m; Net Weight:2.0Kgs.