Duet Hardware and wiring

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  Guide for posting requests for help
  • T3P3Tony  

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  BlTouch 3.1 Flashing and Troubleshooting
  • H2B  

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  @H2B said in BlTouch 3.1 Flashing and Troubleshooting: The Duex is wired with Vin straight from my PSU in parallel with the Duet (nothing else is running across it right now, I know the correct wiring is from Vin on Duet to the Duex), and I can't seem to crack this one.. Any ideas? there is a very big warning not to do that in bold here https://duet3d.dozuki.com/Wiki/Duex2_and_Duex5_Features Connect VIN and GND terminals of the Duex 5 to the corresponding terminals of the Duet 2. Do not run separate ground wires from each terminal block back to the power supply unless the power supply is very close (less than 100mm) to the Duet 2 and Duex. Instead, run a very short and thick ground wire directly from the negative (-) terminal of the VIN terminal block on the Duex board to the negative VIN terminal of the Duet. Also connect the negative wire from your power supply to the negative VIN terminal of the Duet. You can run separate +VIN wires from the Duet 2 and Duex back to the positive terminal of the power supply if you wish.
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  All Drivers give me disconnected reported by driver
  • DruckKlaus  

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  @gueee78 said in All Drivers give me disconnected reported by driver: @dc42 what could be the reason that the ENN is stuck high. rather damaged hardware like a cap, or a firmware problem? Blown microcontroller pin caused by a wiring short to that pin; or short circuit, or poor soldered joint on the microcontroller pin. if you have a multimeter, you could measure the voltage on that pin.
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  Brand new Duet Maestro does not start/is inaccessible
  • yonutz33  

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  the duet maestro does not come with a default menu for the lcd you will have to do that yourself or use an existing one like https://github.com/mudcruzr/Duet-Maestro-12864-Menu-Files also do you have the config line to activate the display like M918 P1 E4 F2000000 ; configure direct-connect display in your config?
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  Duet3 setup requirements for 3D printer
  duetwifi duet3 upgrade • • gnydick  

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  Slightly OT, but as the Pi image has a FAT /boot partition it could possibly contain the default standalone config and files so the same card could maybe cover both use cases.
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  Dual Magnetic filament sensor and Endstop limitations/mapping
  • clegg78  

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  There are two endstop inputs on CONN_LCD. I suggest you use those for your filament monitors. See the table at https://duet3d.dozuki.com/Wiki/Using_external_stepper_motor_drivers for the pinout. Using recent firmware versions, it's possible to use DueX inputs for endstops, although the latency is higher and there is a risk of the endstop not working of I2C communication breaks down. So it's safer to use the CONN_LCD inputs.
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  Aux Comms Issue
  • cjm  

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  @cjm said in Aux Comms Issue: So, it looks as though via the Aux channel, the Maestro is only responding to commands that request a JSON format response. That's correct. Responses to other commands are saved until you ask for them using M408.
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  SOLVED Duet 3 Stepper coils pairing
  • LordOfDav11  

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  The notation using AB and 12 is confusing indeed. Had the same problem in the past. A more intuitive notation would be for example A+,A-, B+,B-.
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  Online phone or video help
  • alp101  

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  @alp101 said in Online phone or video help: ground fault errors on the exchange Not sure what that means. Where does this message appear? Can you copy/paste, or photo it, and post here? Let's see if we can get some basics fixed, quickly, here, and then go to phone or screen share only if we get stuck.
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  Smart Effector hotend fan and Lights
  • oryhara  

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  1.8 amps is the full current requirements of the motors fitted to the predator. Try dropping the current to 1400. That's what I have mine set at.
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  Two machines from single 2 wifi + exspansion board, possible?
  • malium  

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  Yes, the more I think about it, I see it might be too much of a hassle. I have 2 wifi and expansion board already from never realised project of a big printer I have no time to build, so I just bought two kit frames that seemed like too good to pass, but smaller in print area, so was thinking as I already have an option for that much motors, why not to try and run them both side by side, It it would have its merits, single power supply, single board, single centralised control... And half the print time.
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  Odd homing behaviour
  • Stevo  

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  if it consistent on the macro but the offset is wrong then you need to adjust the offset.
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  BlTouch setup on Duet 3
  • Jonvdk  

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  @Jonvdk said in BlTouch setup on Duet 3: I am trying to connect a Bl touch to a duet 3 but can not get it working. I was wondering if anyone has managed get a bltouch working with a duet 3. currently the dozuki and the config tool have conflicting information on setup and wiring. Any insight would be appreciated. Cheers, Jon The Dozuki should be correct. Which firmware version are you using?
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  Duet WiFi Parts Kit?
  • 3dmntbighker  

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  @jens55 said in Duet WiFi Parts Kit?: If you are looking for a 'connector kit', that is available from some retailers. Thanks, ordered from Filastruder.
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  Fancy Filament sensor power draw
  • Andrer  

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  Should be correct. i'm plugging it to E1 stop. and the cable was crimped as follows.
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  E1 Heater not working - check for board defect?
  • PatrickC93  

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  its on the bottom right of the picture
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  fans with shared positive
  • matt3o  

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  thank you for your super fast reply @dc42 . I finally replaced all the spaghetti wiring with a nice and tidy cat6 cable and everything works as expected. All the fans together drain 0.2A at full speed, so that shouldn't be a problem!
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  Replacing Infant Mortality TMC2660
  • spiffyriceburner  

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  I'm glad you managed to remove the driver chip. No, there is nothing else to replace. BTW if a driver not only reports short to ground but also reports other status bits such as over temperature error, even before you issue the first movement command, then it may not indicate a blown driver, it may just mean a bad connection on the SPI data out pin.
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  External Triggers
  • hayseed_byte  

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  @Eduma said in External Triggers: @dc42 Just wondering if the reprint capability has been added in to the latest release? What "reprint capability" at you referring to? Also wondering if there are any plans to have a "print another" in the panel due. I could've sworn there was a pop up at one point. I will add that to the wish list.
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  Bed Heater making duet WiFi crash
  • garevalo  

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  Most likely, the PSU can't handle the current draw of the bed heater. What is the PSU output current rating? Is the bed heater definitely intended for 24V operation?