Model: -SMC04 stepper motor drive + control machine Applicable motor: 42, 57, 86 stepper motor Number of control axes: single Motor signal: common cathode Power supply range: DC 10-30V universal Drive capacity: 6.6A Pulse frequency: up to 200KHZ Instruction features: streamlined optimization of multiple common instructions Acceleration and deceleration control: yes Input reverse connection protection: yes Remote communication control: TTL serial port Main functions of the system: automatic, manual, setting, serial port control Speed range: 0.1-999 laps/minute Number of forward pulses: 1-9999999 pulses Number of reverse pulses: 1-9999999 pulses Number of cycle working times: 1-9999 times Forward delay time: 0.0-999.9 seconds Reverse delay time: 0.0-999.9 seconds Subdivision selection range: 8-64 subdivisions Product use environment: -10-60 (no condensation) Product size: 79x43x41mm, recommended opening size 75x39mm Color: Black Material: plastic Package Contents: 1 x Stepper Motor Driver Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.