Announce of Motor Driver Renewal MD-551F


Announce of Motor Driver Renewal

Thank you for using our products.

 We have decided to end the sale for our standard AC power supply motor driver, model MD-551E, due to discontinuation of some electric parts, as soon as the stocks run out.
The replacement driver is model MD-551F. Please refer to below lists about the specification comparison of these drivers.

Specification comparison

Model Number MD-551E MD-551F
Drive input method Microstep drive
Power Supply AC100~230V±10% 50/60Hz 3.5A Max
Run Current 0.35~1.4A/Phase
Stop current 16 selectable types from 12 to 98%.
Micro-Step Division 1,2,4,5,8,10,16,20,25,40,50,80,100,125,200,250
Input signal Photo coupler input
[H]: 4~5V [H]: 3~5V
[L]: -5~0.5V [L]: -5~0.5V
Maximum Frequency 500kpps
Functions Pulse input method changeover, automatic current reduction,
step angle changeover, drive voltage changeover, self-diagnostic function
Wiring connection Connector
Mass 750g
Usage Environment Temperture : 0~40°c (Non frozen)
Humidity : 0~85%RH (Non condensing)
Dimension (mm) 170×130×39(mm)


Download : Announce of Motor Driver Renewal.PDF