Automatic Pause/STOP Print



  • Am I right in assuming that the P parameter in this command isn't implemented yet? That would be very useful indeed.


  • administrators

    The P parameter of M581 isn't implemented. However, you can use any of the endstop inputs, including the 5 on the expansion bus even if no expansion board is connected.



  • Thanks for the clarification. That is great, I hope to try using this for a filament monitor, when the board arrives.



  • @RCarlyle:

    Ooh, nice, I am definitely putting one of my spare Tunell monitors on my Duet Wifi delta then.

    I just tried hooking mine up and it doesn't power up with the 3.3V provided by the Duet Wifi.


  • administrators

    Does it need 5V? You can get +5V from pin 1 of the expansion connector.



  • @dc42:

    Does it need 5V? You can get +5V from pin 1 of the expansion connector.

    I'm pretty sure it does need 5V. I'm pretty sure it'll return 5V, too. Won't that be a problem for the E0 enstop input?


  • administrators

    The end stop inputs will almost certainly tolerate 5V, however I don't want to guarantee that without further testing. So I suggest you use a 1N4148 or similar diode, connected cathode to the sensor output and anode to the end stop input.



  • @LeonMF:

    I just tried hooking mine up and it doesn't power up with the 3.3V provided by the Duet Wifi.

    Did you ever get this working? After a 40hr print failed this weeked after about 30 hrs, I'm ready to buy one of these if you've confirmed it works with the Duet WiFi.

    Thanks,
    Ian



  • Ian,

    I gave up on the Tunell monitor as I didn't want to risk the electronics on my Duet.

    I designed a simpler filament monitor using an optical sensor and a housing to hold the filament in the path of the sensor. You could do the same thing with optical or mechanical endstops. It will get you the filament out detection but not the tangled filament or clogged nozzle detection.



  • @LeonMF:

    I gave up on the Tunell monitor as I didn't want to risk the electronics on my Duet.

    I designed a simpler filament monitor using an optical sensor and a housing to hold the filament in the path of the sensor. You could do the same thing with optical or mechanical endstops. It will get you the filament out detection but not the tangled filament or clogged nozzle detection.

    Thanks for the update, Leon.

    Ian


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