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08-14-2014, 05:36 PM #2
If you have converted an computer ATX PSU to power your printer, you will know that you had a bundle of yellow wires which are the 12V wires. When I did my set up, I connected only one (1) yellow wire to an output socket. Then I connected three wires to the output pin.
Two of these output wires are connected to my RAMPS board. The third wire runs to my heat bed (via a relay which is switched from the RAMPS board).
Basically, what you have done is OK. The reason that I have wired my PSU the way I have is so that I can eaasily disconnect it from the printer if I have to move things around. Here's a picture of my connections (the negative wires from the RAMPS board and heat bed appear towards the top side of the PSU, and the 12V wires are below. I used heavy duty speaker cable (goldish coloured) just to reduce the amount of resistance in the wiring.
Lights Off - flashlit.jpg
52A is a lot of grunt. My PSU is 18A and runs everything quite OK.
Old Man EmuLast edited by old man emu; 08-14-2014 at 05:42 PM.
Printer will print perfect...
06-14-2024, 10:44 AM in Tips, Tricks and Tech Help