Maestro always disconnect and Z offset issues



  • Hi all,

    I'm having a big issue with my maestro losing connection. It's connected through an unmaneged hub. On the same hub there's 2 raspberry pi who don't lose connection. I also tried to connect the maestro directly with the wire feeding the hub switch, same issue. It may disconnect after a few second or after a few hours of running, but it always disconnect. It doesn't have any issues with conflicting address nor do i have any issues running the hub.

    Another issue i got is with the Z probe offset. My BL-Touch is 20mm to the left right and 48mm in front of my nozzle. So i setted the offset as X20 Y-48. But the BlTouch doesn't comes back over the bed while homing... I got it to work by putting Y-30 in the minima of the axis, but that doesn't make any sense to me.

    Thanks for the help folks.



  • @wbzial

    Are you sure you are using a hub and not a switch?

    Well on my printer the X & Y mins are to the left and front.

    So if my probe was 20mm to the left of the nozzle the offset would be X-20

    Frederick



  • @fcwilt You're right, i edited the post.



  • OK good.

    So what do you mean by "doesn't come back over the bed while homing"?

    Frederick



  • @fcwilt since the bl-touch is in front of the nozzle, it is not over the bed by default. So while homing, it's like if the z offset wasn't considered and it try to home in front of the bed. It does comes back a bit, but not enough to touch the bed (about 20mm short)



  • @wbzial

    Hmm...

    Not sure what you are getting at but let's try this.

    If you are using a simple G30 command for homing using your Z probe you have to position it first using a G1 command which DOES NOT take into account the Z probe offsets.

    Does that answer your question?

    Frederick



  • @wbzial
    post your homing script.

    most likely you want to issue the G1 X?? Y?? command before the G30 command in those files to move to your desired location.



  • what do you mean it disconnects? does the light on the network connector turn off?

    do you have the usb cable connected? you might be creating a grounding loop.



  • @Veti said in Maestro always disconnect and Z offset issues:

    what do you mean it disconnects? does the light on the network connector turn off?

    do you have the usb cable connected? you might be creating a grounding loop.

    No usb cable. No light on ethernet connector.

    The web interfaces shows the warning " Connection Loss - Trying to reconnect"



  • see this guide, but ignore the wifi related parts
    https://duet3d.dozuki.com/Wiki/WiFi_disconnections_and_AJAX_timeout_errors


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