Quick Ship Product Center › Stepper Motor Driver - DS-OLS7-FRS4 Image 1 of 1 Stepper Motor Driver - DS-OLS7-FRS4 $192.00 Power Supply: 24 - 48 VDCCurrent: 0.1 - 3.2 AMicrostepping: Up to 102,400Communication: RS485 Quantity: Add To Cart Added! Power Supply: 24 - 48 VDCCurrent: 0.1 - 3.2 AMicrostepping: Up to 102,400Communication: RS485