Advanced Micro Systems DCB-241, 1 Amp Driver & Controller Board Condition:* New Surplus Stock, No OEM Packaging. As Pictured.Additional Notes:* 1 Amp/Phase Chopper Drive Output* AMS Award Winning controller* Single 24 To 40 Volt DC Power Supply* 1/2 Step Resolution To 24k SPS* 2k Bytes of Non-Volatile Memory* Limit, Home, Go And Stop Inputs* Serial Communication (1-32 Axes)* Adjustable Run Current Setting* Automatic Hold Current Adjust* Programmable Accel/Decel Ramping* Constant Velocity Commands* Heat-Sink MountedAdvanced Micro Systems DCB-241