My stepper motor driver only moves in one direction. What is the problem?

See below for possible solutions:

  • 1-CLK vs 2-CLK: Make sure that the 1-CLK/2-CLK setting matches your pulse/direction input signals. 1-CLK is the US standard which uses one pulse input and one direction input. 2-CLK, which is more popular in Asia and Europe, uses two pulse signals. If the setting is incorrect, the driver will not operate properly. This setting can be made via the driver configurator.
  • Signal Wiring: Make sure that the pulse, direction and opto-supply signals are wired correctly. Not that different wiring schemes are necessary depending on a single-ended or differential input driver.


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