48V in and 24V out? (Duet 3 Main Board 6HC)
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Hello,
I want to feed the board with 48v to drive the stepper motors with 48v. But I want to operate the rest of the electronics like hotend, fan, etc. with 24V. Can I connect 48V to the HC6 and turn the other ports down to 24V?
Or can I connect both 48V (only for motor) and 24V to the HC6?Best regards
Tim -
@tkln you can't do either directly with the 6HC v1.02. You can only feed 48v into the board itself.
You can however use a separate 24v PSU and supply 24v to each of the fans and heaters and then connect the negative side of the heaters and fans to the negative on each of the corresponding connections on the board.
All duet boards switch on the negative supply on the board.
Make sure you tie the grounds of the 24v and 48v PSU's together. -
@jay_s_uk
Hey Thanks for your quick response.
Is it correct as shown in the picture?Best Regards
Tim
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@tkln yes, that looks correct
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@tkln if your hot ends take standard heater cartridges then it's possible to buy 48V cartridges - but not yet for smaller hot ends that don't use cartridges.
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undefined tkln has marked this topic as solved
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@tkln The wiring diagram is a 3HC, but you were asking about a 6HC. If you are doing this to a 3HC, again make sure you have the v1.02 board revision, which is 48V-capable. Previous versions are only 32V-capable. The 3HC expansion board can run at a different voltage from the mainboard (6HC?).
Ian
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@droftarts Thanks for the reply.
Of course I meant the hc6 just used the wrong picture. But the procedure is the same for both the hc6 and the hc3 expansion board, right? -
@tkln said in 48V in and 24V out? (Duet 3 Main Board 6HC):
But the procedure is the same for both the hc6 and the hc3 expansion board, right?
Yes
Ian
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Hi guys, did you ever resolve this? I'm going through a similar issue. Thinking of running 24V to my 6HC and 48V to the expansion board (3HC). Will this work? New topic posted here:
Thanks
