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  • mr-controllino

    Administrator
    June 12, 2020 at 6:42 pm

    Hello PaulsM,

    It is working properly. The “problem” is that the CONTROLLINO MINI, MAXI, MAXI-A and also 12 outputs of the MEGA are High-Side Switches.

    Imagine a switch … that is ON and OFF. A switch does not force the output to GND. It simply disconnects.

    So you can only drive a unipolar stepper motor with it. So no 4 wire stepper will work. It only works with the 12 half bridge outputs of the MEGA.

    And if you use a stepper motor directly with CONTROLLINO … please make sure it has a high internal resistance. Because CONTROLLINO only has voltage outputs … there is no special current limitation.

    regards

    Marco

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