Stepper Motor Controller

I/O Ports

• VCC:DC power positive pole (Note:Must guard against exceeding 36V, so as not to damage the module.)
• GND:DC power cathode
• A+  A-: Stepping motor one winding
• B+  B-: Stepping motor other winding
• CP : Stepping pulse input
• DIR: Stepping motor direction input
• +5V: power supply port for inside optical coupling
• ENA: motor free
  • NOTE:
    • 1, For reliability, When ambient temperature is high or the working current is over 1.05A, attach the module onto a large metal shell , or use an axle flow fan to disperse heat.
    • 2, Half current mode is automatically selected to save power if a control signal is not received from the control machine in a half second.

Switch Choice: (ON=0 - OFF=1)
1 - Microstepping choice:

2 - Current choice?

3 - installation dimension

Product Specs