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Error: Short-to-ground on drivers 1

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  • undefined
    equanimity8
    last edited by 17 Feb 2018, 20:18

    Thanks for your input!

    Currently, I have the Z and X motors connected to their respective drivers i.e. Y driver is free. When I move Z axis no error appears. When I move X axis the error in driver 1 appears. When I move Y axis the carriage does move although just a short distance and quite slowly. If I'm understanding correctly what you have written, driver 1 (Y) is faulty.

    That is unfortunate but I'd rather think forward. I was wondering how can I remap the driver from E1 (which is free since I'm using a single extruder) to move the Y axis. I'm looking at the gcode but I must say its harder for me than I thought.

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    • undefined
      dc42 administrators
      last edited by 17 Feb 2018, 21:16

      Yes, to can use M584 X0 Y4 Z2 E3 in config.g to do that. But you are entitled to have your Duet repaired or replaced under warranty, assuming you have had it for less than 6 months.

      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

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      • undefined
        equanimity8
        last edited by 17 Feb 2018, 22:04

        Thanks for spelling it out for me, I appreciate your time.
        I only wanted to ask if I have to add some gcode to "deactivate" driver 1 (Y) or just add the remapping gcode, connect to the proper driver and go about my merry ways? Also, what should I make of the low voltage error I received earlier? I do have many more questions but I believe I should make use of the search feature.

        Also, thank you for bringing that up. I'd rather have a properly functioning board but I wanted to continue with finalizing my config. I did contact RepRapWorld so we'll see that will happen but yes I've had it for less than six months.

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        • undefined
          dc42 administrators
          last edited by 17 Feb 2018, 22:30

          The output MOSFETs won't be enabled on driver 1 if it is never used.

          The M584 command must come earlier in config.g than the M906 command, also earlier than the M350 command if you have one.

          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

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          • undefined
            equanimity8
            last edited by 18 Feb 2018, 10:55

            Thanks for clarifying. I did add that in my ;Drives and I can move all axes without any errors.

            I appreciate your help. I'm happy the support of the boards lives up to the expectations. Well done, to you, dc42, sir.

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            • undefined
              equanimity8
              last edited by 18 Feb 2018, 12:20

              Now, as everything moves correctly I wanted to have my axes home in the correct direction. I flipped Z and it worked as expected. However, when I try to flip Y (drive 4) it goes south somewhere. I added M569 P4 S0 ; Drive 4 goes backwards but in that case when I move X from the interface Y moves in the wrong direction and when I move Y in the interface X moves in the right direction. If I add M569 P4 S1 the interface moves the correct axis and X moves in the right direction and Y moves in the wrong direction.
              ; Drives
              M584 X0 Y4 Z2 E3 ;remap drive Y to drive E1
              M569 P0 S1 ; Drive 0 goes forwards
              M569 P1 S1 ; Drive 1 goes forwards
              M569 P2 S0 ; Drive 2 goes backwards
              M569 P3 S1 ; Drive 3 goes forwards
              M569 P4 S0 ; Drive 4 goes backwards

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              • undefined
                dc42 administrators
                last edited by 18 Feb 2018, 13:48

                It sounds to me that your printer currently has a left-hand coordinate system. To change it to a right-hand coordinate system, swap over the X and Y motor connections or swap X and Y in the M584 command, then use M569 to get the correct directions.

                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

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                • undefined
                  equanimity8
                  last edited by 18 Feb 2018, 14:02

                  By a lucky mistake I just read that RRF uses a right-hand origin. Where can I get more info why this is the case and wouldn't it result in mirrored prints?

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                  • undefined
                    dc42 administrators
                    last edited by 18 Feb 2018, 14:41

                    All 3D printing assumes a right-hand coordinate system - which means that looking from above, the +Y direction is rotated 90 degrees anticlockwise from the +X direction.

                    On a CoreXY printer, the usual choice is that looking at the front of the printer, +X is to the right and +Y is away from you.

                    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

                    undefined 1 Reply Last reply 28 May 2018, 11:12 Reply Quote 0
                    • undefined
                      equanimity8
                      last edited by 18 Feb 2018, 15:08

                      I think we both are talking about an origin of front/left like here - http://www.makerslide-machines.com/old-web-site/res/z-in-same-time.jpg, do correct me if that's not the case.

                      I had issues with it but after going out for a walk I now have it working properly with the following, if anybody ever needs it:
                      ; Drives
                      M584 X0 Y4 Z2 E3 ;remap driver Y to driver E1
                      M569 P0 S1 ; Drive 0 goes forwards
                      M569 P1 S1 ; Drive 1 goes forwards
                      M569 P2 S0 ; Drive 2 goes forwards
                      M569 P3 S1 ; Drive 3 goes forwards
                      M569 P4 S1 ; Drive 3 goes forwards

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                      • undefined
                        Vlad @dc42
                        last edited by 28 May 2018, 11:12

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