Signal input single ended, pulse direction. Optocoupler isolated signal line input, strong antiinterference ability. Division option 12481632 division for controlling twophase 4phase 468wire hybrid stepper motors current less than or equal to 4.0 A. Compatible with stepper motors with step angles of 1.8 and 0.9. Current and voltage Output current 0.5A4.0A, the maimal output current is 4.0A. Input voltage 942VDC, ether 3.324Vsignal can be connected directly without resistor in series. Safe and reliable Overheating, overcurrent and undervoltage blocking, input voltage reverse polarity protection, etc. Safer. The current is automatically halved when stopped. Wide compatibility suitable for all brands of 468wire 24phase hybrid stepper motors. Suitable for various small and mediumsized automation devices and instruments, such as engraving machines, marking machines, cutting machines, laser lighting, plotters, CNC machine tools, etc.Note The data is all measured manually, please allow 13cm error, due to the difference in light and display, there will be a certain color difference, the actual item received shall prevail.