That closed stepper system can be used to upgrade open loop stepper systems or replace some servo systems, especially in many small to median speed applications such as CNC routers, CNC mills, CNC laser cutters, CNC plasmas, lab automation instruments, plotters, medical equipment, electronic equipment, small packaging machines, etc.
YKD2822M is high performance digital step drive based on YAKO's new 32-bit DSP technology. It's suitable for 86-130mm(NEMA34-57) 2 phase open-loop stepper motors.