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Temperature drop from 208 to 195

Posted by Ohmarinus 
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the_digital_dentist
Re: Temperature drop from 208 to 195
September 21, 2015 10:15PM
I'ts generally a bad idea to try to connect two power supplies (or two separate outputs from one supply) in series, especially if they are rated for different output currents.

Ultra MegaMax Dominator 3D printer: [drmrehorst.blogspot.com]
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enif
Re: Temperature drop from 208 to 195
September 22, 2015 01:31AM
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villainous
The power supply I have has two outputs, so if I were to tie them together theoretically I could get 24V into the printer.

In addition to dentist's point, it is also quite likely that the 2 outputs of your power supply are not galvanically isolated from each other, so that they share a common ground. In this case trying to combine them in series would result in a short.
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dc42
Re: Temperature drop from 208 to 195
September 22, 2015 05:31AM
Most RAMPS boards have capacitors rated at 16V, so you can't use 24V supplies with them except on the bed heater circuit. Can you change the resistor?


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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