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    Leadshine DM556 driver not working with expansion breakout board

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    • peterundefined
      peter
      last edited by peter

      Hi,

      the DM556 driver always shows a constant red led once i try to move the stepper. Stepper is not moving

      SetuP:
      Duet2 V1.04
      Expansion Breakout Board V1.2
      Firmware 2.0(RTOS) (2018-06-05b3)

      Config:
      M569 P5 S1 R0 T5:5:5:0 ; Drive 9 goes Forwards (i also tried without R and with T2.2, T4)
      M584 Z5 ; Power Z with drivers 5

      Wiring:
      I tried to connect all DM556 pins directly to the breakout board. Also tried to connect E+, D+ and S+ to 5V. Connected 2 DM556 and different steppers. Stepper is receiving commands but shows of constant red led once i trie to move motors.

      Any idea?

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      • dc42undefined
        dc42 administrators
        last edited by

        I don't know about the DM556, but on some external stepper drivers the EN+/EN- are actually a disable input, not an enable input. So try with those wires disconnected, or change R0 to R1 in the M569 command.

        Does the manual say what the constant red LED means?

        Duet WiFi hardware designer and firmware engineer
        Please do not ask me for Duet support via PM or email, use the forum
        http://www.escher3d.com, https://miscsolutions.wordpress.com

        peterundefined 1 Reply Last reply Reply Quote 1
        • peterundefined
          peter @dc42
          last edited by

          @dc42 said in DM556 driver not working with duet expansion breakout board:

          I don't know about the DM556, but on some external stepper drivers the EN+/EN- are actually a disable input, not an enable input. So try with those wires disconnected, or change R0 to R1 in the M569 command.

          Does the manual say what the constant red LED means?

          @dc42 your are a genious! Thats it. Thank you.

          For Leadshine DM556 driver do not connect Enable+ and Enable- as this disables the driver.

          You can connect the other leads directly to the breakout board driver connector.

          Config:
          M569 P5 S1 R0 T5:5:5:0 ; Drive 9 goes Forwards
          M584 Z5 ; Power Z with drivers 5

          Also check for driver number if the motors are not spinning:
          https://duet3d.dozuki.com/Wiki/Duet_Expansion_Breakout_Board

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