12/24v hot end?
Posted by sarf2k4
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12/24v hot end? June 18, 2015 03:41AM |
Registered: 9 years ago Posts: 476 |
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Re: 12/24v hot end? June 18, 2015 03:59AM |
Registered: 10 years ago Posts: 14,672 |
Use a multimeter to measure its resistance. It will be between 2.5 and 5 ohms if it is 12V, and between 10 and 20 ohms if it is 24V.
Large delta printer [miscsolutions.wordpress.com], E3D tool changer, Robotdigg SCARA printer, Crane Quad and Ormerod
Disclosure: I design Duet electronics and work on RepRapFirmware, [duet3d.com].
Large delta printer [miscsolutions.wordpress.com], E3D tool changer, Robotdigg SCARA printer, Crane Quad and Ormerod
Disclosure: I design Duet electronics and work on RepRapFirmware, [duet3d.com].
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Re: 12/24v hot end? June 18, 2015 04:02AM |
Registered: 9 years ago Posts: 476 |
Quote
dc42
Use a multimeter to measure its resistance. It will be between 2.5 and 5 ohms if it is 12V, and between 10 and 20 ohms if it is 24V.
Will the resistance increase with longer cable and this method applies to all heater cartridge?
Edited 1 time(s). Last edit at 06/18/2015 04:03AM by sarf2k4.
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Re: 12/24v hot end? June 18, 2015 04:08AM |
Registered: 10 years ago Posts: 14,672 |
Unless your cables are too thin, they should not make an appreciable difference to the resistance. The figures I gave assume that the heater power is within a range of about 30W to 50W.
Large delta printer [miscsolutions.wordpress.com], E3D tool changer, Robotdigg SCARA printer, Crane Quad and Ormerod
Disclosure: I design Duet electronics and work on RepRapFirmware, [duet3d.com].
Large delta printer [miscsolutions.wordpress.com], E3D tool changer, Robotdigg SCARA printer, Crane Quad and Ormerod
Disclosure: I design Duet electronics and work on RepRapFirmware, [duet3d.com].
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Re: 12/24v hot end? June 18, 2015 08:46PM |
Registered: 9 years ago Posts: 476 |
Quote
dc42
Unless your cables are too thin, they should not make an appreciable difference to the resistance. The figures I gave assume that the heater power is within a range of about 30W to 50W.
Thank you, I measured between 2 poles and gives me about 4ohms, what happens if I put wrong heater cartridge to the wrong board systems, will it fry my board or it will not fire up?
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Re: 12/24v hot end? June 19, 2015 03:10AM |
Registered: 10 years ago Posts: 14,672 |
That's definitely a 12V heater then. Powering a 12V hot end heater from 24V might well damage it, but most printer electronics boards would probably survive the mistake. Powering a 24V heater from 12V would not damage anything.
Large delta printer [miscsolutions.wordpress.com], E3D tool changer, Robotdigg SCARA printer, Crane Quad and Ormerod
Disclosure: I design Duet electronics and work on RepRapFirmware, [duet3d.com].
Large delta printer [miscsolutions.wordpress.com], E3D tool changer, Robotdigg SCARA printer, Crane Quad and Ormerod
Disclosure: I design Duet electronics and work on RepRapFirmware, [duet3d.com].
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Re: 12/24v hot end? June 20, 2015 04:35AM |
Registered: 9 years ago Posts: 476 |
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