* Working voltage DC 10V-35V. Recommended to use a switching power supply DC24V power supply.
* 6N137 high-speed optical coupling, guarantee high speed without losing step.
* protection circuit to ensure optimal performance.
* Rated maximum output: ± 3A, peak 3.5A.
* For two-phase within 42,57 stepping 3A / four-phase / of line four / six-wire stepper motor, and is not suitable for more than 3A stepper motor.
* Automatic half current function.
* Subdivision: whole step, half-step, step 1/8, 1/16 step, a maximum of 16 subdivisions.

Specifications:
* Working voltage: DC 10-35V
* Rated maximum output: ± 3A, peak 3.5A
* Main color: Green
* Size:75 x 50 x 33mm
* Net weight:83g
* Package weight:93g

Attenuation adjustable (Decay Mode)
0 %—- no decay mode
— 25% of the slow decay mode
— 50% of the normal mode
100% – Fast Decay mode
—– Decay mode of regulation by different motors to match impedance, thereby eliminating the noise when locked stepper motor and motor movement in the shake.