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External PID controller for extruder heating?

Discussion in 'Mods and Upgrades' started by momoe, Jan 30, 2017.

  1. momoe

    momoe Member

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    I need to have a thermocoupler because the thermisters I have keep breaking. It's killing me when I try to print T-Glase and it shuts down because it can't read the temp anymore. My question is.
    1. can I wire my external PID controller that has a heater probe and thermocoupler, to my board anywhere and have it control the extruder temp?

    I know I can buy a board and thermocoupler and wire it all up but I have a PID and everything and don't want to drop another $100 on this. Any advise is welcome/

    thanks

    K
     
    #1 momoe, Jan 30, 2017
  2. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    #2 mark tomlinson, Jan 30, 2017
  3. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    It does mean some firmware modifications so you can't shy away from that.

    I later switched over to the metalStud thermistors. I have not needed the extra temperature range that I bought the thermocouple for in a while.
     
    #3 mark tomlinson, Jan 30, 2017
  4. momoe

    momoe Member

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    Metal stud? Do you have a link?
     
    #4 momoe, Jan 30, 2017
  5. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    If you are having thermistor issues then there is something else that needs solving, because I print T-Glase all day on the Robos with no real issues. It was some of the more esoteric nylons that needed high enough temperatures I couldn't use the thermistors for easily.
     
    #5 mark tomlinson, Jan 30, 2017
  6. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    #6 mark tomlinson, Jan 30, 2017
  7. momoe

    momoe Member

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    My issue is the wire breaks at the bead. If I can stop that, I'm good
     
    #7 momoe, Jan 30, 2017
  8. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    Then you must have an R1.
    Hexagon hotend?
     
    #8 mark tomlinson, Jan 30, 2017
  9. momoe

    momoe Member

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    #9 momoe, Jan 30, 2017
  10. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    Nope, that will work fine. I am using it on an E3D volcano myself.

    The newer E3D hotends come with a cannister thermistor and the mounting for it is not the same which will make the metalstud thermistor difficult to use.
     
    #10 mark tomlinson, Jan 30, 2017
  11. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    Sounds like you started with a beta (the one from kickstarter).
    The leadscrew updates are nice they effectively give you an R1+ (if you did the bed upgrade on the beta as well then you do have an R1+)
     
    #11 mark tomlinson, Jan 30, 2017
  12. momoe

    momoe Member

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    Where do you screw yours in?
     
    #12 momoe, Feb 6, 2017
  13. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    There is a threaded hole on the volcano where there used to be a set screw that held the old style thermistor in place.

    I would have thought they converted all of the e3d hotends to the canister style thermistor... even the volcano. If not yours should still have the threaded hole.

    Sent from my SAMSUNG-SM-G930A using Tapatalk
     
    #13 mark tomlinson, Feb 6, 2017

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