Features:

1. 6N137 high-speed OptoCouple to ensure high speed without losing steps
2. for 42,57,86 Stepper within 3A 2/4 -phase / 4 wire / 6 wire stepper motor
3. automatic half-decay
4. excitation mode: synchronizing, half step, 1/8 step, 1/16 step
5. current level is adjustable to meet your application needs
6. large heat sink for good heat dissipation
7. overheating and over-current protection circuit to ensure optimal performance

Specifications:

1. operating voltage: 10 to 35 VDC
2. rated output current: ± 3 A - peak 3.5 A
3. dimensions: 50 x 75 x 35 mm
4. weight: 80 g

vma333_a4v01.pdf

vma333_code.zip

tb6560ahq_datasheet.pdf

tb6560_connection.pdf