Here is the thing about SMPS for motor drive applications. You have to evaluate their suitability for handling load transients, like when you turn a motor on. Starting a motor can take up to 4 times the steady state running current. Many SMPS are not well suited to that task. You should evaluate candidate SMPS very carefully.I was thinking of using a 10 amps 24 volt power supply and use buck converters to regulate the output for my servos, using these many power supplies is not challenging right now but I plan to scale this implementation and if that happens I will have to make a separate space but more than required psu's.
I have a 12 volt 8 channel power supply so I think that is fine with me as I can hook up more steppers to it. But I am not able to find a power supply unit that is capable of providing multiple outputs of 24 volts while still giving 2.5 to 3 amps of current, if you have anything like that on your mind please share that with me, I would really hope to buy that for my project.
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