Idiot check… 12/24VDC supply to V-IN or 12 to 24VDC supply?



  • Hi All,

    Hopefully a very easy question.

    Is the required V_IN 12VDC or 24VDC or somewhere from 12 to 24VDC? I'm 90% sure it's the latter but want to ask rather than cook someone elses DuetWifi!

    I'm in the process of gutting an Up Plus 2 printer of it's original CPU/board and replacing it with a duet. I've had everything moving with a PC ATX PSU but the steppers need a bit more poke and the heaters are both 24V 80W cartridge heaters run at 19V. I'd like to chuck 24V at it but it's not mine, and re-using the 19V PSU in conjunction with the ATX would appear the best way forward. This would allow 5VDC standby, switched 12VDC for the fans (original printer had a regulator for the fans) and hot end cartridge heater (80W is too much!), and switch the mains side of the 19VDC PSU with one of the switched 12VDC outputs from the ATX PSU.

    Thanks!


  • administrators

    Yes VIN can anywhere between 11V and 25V.



  • Thanks!

    It may be worth editing the wording in the power wiring and PSU choosing sections of the documentation to make it clear it can tolerate the range.


  • administrators

    @DocTrucker:

    Thanks!

    It may be worth editing the wording in the power wiring and PSU choosing sections of the documentation to make it clear it can tolerate the range.

    Done, thanks for the suggestion.


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