Thread: Which power supply to use
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10-04-2018 #1
I am setting up the power supplies for my setup and wanting to check that I get it right.
I'm looking at having 2 psu's one 48v for the stepper motors and a secondary for the vfd, uc400eth and possibly fans.
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I have a D100S1R5B Chinese vfd which is marked up with input as ac220v 50/60htz and 8 amp output; I also have a uc400eth that takes 5amps to power from either 12-24v psu.
I have the stepper motors linked up with a 48v 5amp psu and I have a 24 10amp spare which the vfd was originally with but confirmed burnt out cooler fan so needs a replacement.
What I would like to ask is what secondary psu is best suited for the vfd, uc400eth and possibly cooler fans as I don't know this side of things at all with power usage and don't want to fry anything.
I am looking at linking the two psu's to the same mains cable is this advisable? (Mains to 48v to 24v)
Or am I looking at this wrongly and that I can use just the 48v but with converters?
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