Identifying which extruder board.

Deepspaceobject
Posts: 26
Joined: Wed Feb 14, 2018 8:36 pm

Identifying which extruder board.

Postby Deepspaceobject » Tue Jan 15, 2019 5:47 pm

Hello, How can I identify which version V1 or V2 breakout board on the right side of the extruder head do I have?

My printer is N1 dual head with all metal hot ends, I purchased it last March.

The reason I ask is that having bought a replacement thermocouple which I am told is now the same for N1, N2 and Pro, it does not work and apparently will not work with version V1 of the extruder board.

Thanks,

Brian

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Vicky@Raise3D
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Joined: Fri Mar 25, 2016 3:54 am

Re: Identifying which extruder board.

Postby Vicky@Raise3D » Tue Jan 15, 2019 11:57 pm

Do you still have your original thermocouplers? If so, share some pictures here, it doesn't look the same as V2 thermocoupler.

Deepspaceobject
Posts: 26
Joined: Wed Feb 14, 2018 8:36 pm

Re: Identifying which extruder board.

Postby Deepspaceobject » Wed Jan 16, 2019 8:04 am

Hi Vicky, The V2 version that I have bought has the wide part of the barrel around 9mm longer than the old one, the resistance is also higher at 6.9 ohms whereas the original reads around 2.7 ohms. The old one is still working but the wire junction at the barrel end is suspect, the spring covering is detached from the barrel which is why I attempted to change it, it is now back in the machine. I bought the thermocouple from 3DGBIRE who assured me the same thermocouple would work on N1, N2 and Pro.

Regards,

Brian

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Vicky@Raise3D
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Joined: Fri Mar 25, 2016 3:54 am

Re: Identifying which extruder board.

Postby Vicky@Raise3D » Wed Jan 16, 2019 10:55 pm

The V1 thermcoupler should have no spring. If you previous has a spring, it should be a V2.

Deepspaceobject
Posts: 26
Joined: Wed Feb 14, 2018 8:36 pm

Re: Identifying which extruder board.

Postby Deepspaceobject » Thu Jan 17, 2019 10:01 am

Thank you Vicky, one last question, does the difference in resistance 2.7 - 6.9 ohms matter? I assume at such low resistance there will be a variation.

Thanks,

Brian

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Vicky@Raise3D
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Joined: Fri Mar 25, 2016 3:54 am

Re: Identifying which extruder board.

Postby Vicky@Raise3D » Fri Jan 18, 2019 12:07 am

I'm not sure why it has one shown 6.9, it should be something lower. Does it feedback the temperature with no issue?
I just tried to measure one V1 and one V2 in our room, one is 2.1 the other is 2.7.


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