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    Duet 2 Maestro BLTouch Wiring

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    Duet Hardware and wiring
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    • Phaedruxundefined
      Phaedrux Moderator
      last edited by

      I'm not sure if this will matter for you but in your bed.g instead of calling the deploy and retract macro with M98 you should probably use M401 and M402. That does the same thing as calling the macros but also allows the system to keep track of the deployment state of the probe.

      Z-Bot CoreXY Build | Thingiverse Profile

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      • infamous_pandaundefined
        infamous_panda
        last edited by

        Yes no difference with M401 or M402. It seems to ignore everything in bed.g so I am not sure what is actually running when initiating the mesh calibration. It does not first G28 home or m190 heat the bed. It just goes straight down towards the bed when I hit go. Obviously no probe deploying either.

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        • Phaedruxundefined
          Phaedrux Moderator
          last edited by

          I don't think mesh compensation will do anything other that its own probe routine. Any homing and delta calibration should be done first I believe.

          Z-Bot CoreXY Build | Thingiverse Profile

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          • infamous_pandaundefined
            infamous_panda
            last edited by

            Jeez, rookie mistake. I misread the interface and did not realize that auto bed compensation was a button. I had thought that it was only a drop down menu and those were the options I had.

            Thank you so much. I'm now one step further.

            0_1533476634242_Capture.PNG

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            • eMadmanundefined
              eMadman @dc42
              last edited by eMadman

              @dc42 said in Duet 2 Maestro BLTouch Wiring:

              You should be able to connect the BLTouch entirely to the Z probe connector. The 5th pin on the Z-probe connector provides +5V, and you can use the MOD pin on the Z probe connector as the servo pin.

              The BLTouch seems to have two GND pins - one for the z-probe, another for the servo.
              0_1537238312496_3c68f7e5-38be-4e94-81a3-379f38def905-image.png

              0_1537238222215_f9535b42-da88-4ca4-9887-db7802dcf74c-image.png

              Can I use the +3.3v pin on on the z-probe connector as the second GND?

              cabal2000undefined 1 Reply Last reply Reply Quote 0
              • dc42undefined
                dc42 administrators
                last edited by

                No, but you can connect both ground pins of the bltouch to the ground pin on the Z probe connector.

                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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                • eMadmanundefined
                  eMadman
                  last edited by

                  Awesome, thanks! I think this would be valuable information for the wiki - there's not enough there on how to set up the bltouch with the Maestro. I'm still new to the Duet boards and quite a ways off from getting mine running else I'd add some content there

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                  • cabal2000undefined
                    cabal2000 @eMadman
                    last edited by cabal2000

                    @emadman @dc42
                    SO let me get this right
                    Black/brown - ground
                    Red - 5Volt
                    White - Z_PROBE_MOD
                    Orange - Z_PROBE_IN

                    genghisnico13undefined 1 Reply Last reply Reply Quote 0
                    • genghisnico13undefined
                      genghisnico13 @cabal2000
                      last edited by

                      @cabal2000 Almost, I installed mine yesterday:
                      Black/brown - ground
                      Red - 5Volt
                      Orange - Z_PROBE_MOD
                      White - Z_PROBE_IN

                      cabal2000undefined 1 Reply Last reply Reply Quote 0
                      • cabal2000undefined
                        cabal2000 @genghisnico13
                        last edited by

                        @genghisnico13 Thanks brother. Ordered a BLtouch yesterday. Been trying to configure a Orion Piezo for the past week in which I have given up on it, Plan B=BLTouch!!!

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                        • dc42undefined
                          dc42 administrators
                          last edited by

                          I have updated the instructions for connecting a BLTouch on the wiki.

                          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

                          cabal2000undefined 2 Replies Last reply Reply Quote 0
                          • cabal2000undefined
                            cabal2000 @dc42
                            last edited by

                            @dc42
                            This is what I have in the config.g for ES and Z-Probe
                            ; Endstops
                            M574 X1 Y1 S0 ; Set active low endstops

                            ; Z-Probe
                            M574 Z1 S2 ; Set endstops controlled by probe
                            M307 H3 A-1 C-1 D-1 ; Disable heater on PWM channel for BLTouch
                            M558 P9 H5 F100 T2000 ; Set Z probe type to bltouch and the dive height + speeds
                            G31 X0 Y0 Z0 P25 ; Set Z probe trigger value, offset and trigger height
                            M557 X15:285 Y15:285 S20 ; Define mesh grid

                            Wiring
                            Red-5volt
                            Orange Z_Probe_MOD
                            Black and Brown- Ground
                            White - Z_PROBE_IN

                            Red light on the BL-Touch just keeps blinking and does nothing.

                            cabal2000undefined 1 Reply Last reply Reply Quote 0
                            • cabal2000undefined
                              cabal2000 @cabal2000
                              last edited by

                              @cabal2000

                              NEVERMIND!!!1
                              Got that figured out but now I am getting a "Error: Invalid servo index 3 in M280 command" error when i try a test

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                              • cabal2000undefined
                                cabal2000 @dc42
                                last edited by

                                @dc42 Is there a PINOUT diagram for the Maestro? I am thinking my issue is I have the wrong pin set in the config files

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                                • dc42undefined
                                  dc42 administrators
                                  last edited by dc42

                                  https://duet3d.dozuki.com/Wiki/Duet_2_Maestro_Wiring_Diagram

                                  Use pin 64 (P64) in the M280 commands, and don't use I1. You don't need to use M307 to disable a heater.

                                  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

                                  cabal2000undefined 1 Reply Last reply Reply Quote 0
                                  • cabal2000undefined
                                    cabal2000 @dc42
                                    last edited by

                                    @dc42
                                    Thanks DC42. That did the trick. Was getting tired when I was reading up on it all. Very VERY new to duet boards, was using Ramps before this and had that pretty much figured out when I switched over. Maybe its time to start a Maestro only Wiki??

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                                    • dc42undefined
                                      dc42 administrators
                                      last edited by

                                      A separate Maestro-only wiki would involve a lot of duplication because so many things are the same as for the other Duets. I updated the section on connecting and configuring a BLTouch to cover the Maestro immediately after I posted my previous reply.

                                      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

                                      gnydickundefined 1 Reply Last reply Reply Quote 0
                                      • gnydickundefined
                                        gnydick @dc42
                                        last edited by

                                        @dc42 I can't figure out where the heck the GPIO pins are in the wiring diagram for the maestro. Help!

                                        T3P3Tonyundefined 1 Reply Last reply Reply Quote 0
                                        • T3P3Tonyundefined
                                          T3P3Tony administrators @gnydick
                                          last edited by

                                          @gnydick GPIO for what?There is a small Expansion header:
                                          0_1542014590087_7cd888e6-cfed-437f-97d0-48b34397d2de-image.png

                                          But the Maestro has less expand ability than the other Duet 2s.

                                          www.duet3d.com

                                          gnydickundefined 1 Reply Last reply Reply Quote 0
                                          • gnydickundefined
                                            gnydick @T3P3Tony
                                            last edited by

                                            @t3p3tony I want to hook up LED lights, and I just need a signal pin and ground. I found all of the charts on the wiki, but mapping them to what's in the diagram isn't straight forward. I thought I had figured it all out, but after hooking everything up, nothing happened.I used TWD0/PA3 as logical pin 62. That was after pulling up two web pages side by side to map the wiring diagram to the "using servo, etc." page, to then map to the pinout page. There really should be a mapping of logical pin numbers to exact physical pin on the board.

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