1. common-anodestandard single pulse interface.
2. offline to maintain the function.
3. semi closed enclosure can be adapted to a more stringent environment.
4. to provide energy-saving semi-automatic current lock function.
5. built-in temperature protection and over current protection.
6. 9V-42V DC power supply.
7.H bridge bipolar constant phase flow drive.
8.the maximum 4.0A of the eight kinds of output current.
9.the largest 32 subdivision of the 6 models are optional.
10. input signal high speed photoelectric isolation.resistance (a ) = 0.4.the forward and reverse rotation control.

5 subdivision mode options (1/1, 1/2, 1/4, 1/8, 1/16,1/32).
output current: IOUT = 4.0A (peak, in 100ms).
rated output: IOUT = 3.5 A.
input port internal pull-down resistor: 100 K.
alarm output pin current:Ialert = 1mA.
monitoring output pin (MO): Imo= 1mA.
Material: ABS + electronic components
Colour:Black+Green
Package Contents:
2 * Stepper Motor Driver Controller

Note:
Light shooting 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.