Gallery, Projects and General > How do I??
Power supply for Nema 23 Stepper ?
Buell:
No doesn't want to Work for me
mc:
--- Quote from: Buell on November 30, 2018, 05:36:33 PM ---Your prob correct ! The ENA- at the moment goes to another terminal in the controller marked EN....IM guessing I dont need this one !
--- End quote ---
That is the wire you need to connect to 0V.
With power connected (and the controller still switched off), measuring across the ENA + and - terminals on the driver, you should get 5V.
Buell:
On the driver if i Measure ENA _ AND ENA+ i get 3.45v IF I measure ground on the driver and the ENA + i get 5 volts.
This is what i have and this is what I tried
mc:
That must not be a 0V terminal on the controller then, and it must be floating up under load for some reason. The driver inputs must need nearer to 5v to activate properly.
Try wiring the ENA- terminal directly to the Gnd/0V at the power supply (you could try bridging it across to the main supply Gnd at the driver, but that could potentially cause problems, and I wouldn't recommend it other than for a quick test).
Buell:
Thought It was too good to be true... Simple controller power supply etc...Looks like I will need a bigger pair of vice grips now !
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