The closed-loop stepping servo system that uses a high-resolution encoder. The ultralow heat generation, ultra energy conservation, low vibration, small, and high output component. It has superior rotation stability and high torque generation in low speed area. ・Three control elements are available— position, torque, force control ・Built-in control program ・Operating without step-out ・Standard communication for RS-485 (Modbus) ・Built-in 64 groups of programmable applications ・Support input limited and origin sensor signal ・Built-in RJ-45 interface connected to multiple devices