CNC Electronics: Explaining What Parts Are Needed And What They Do

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A four axis machine with plasma, spindle, rotary axis, Auto Tool Changer (ATC), running on shop-made three phase power. This is a series on how I did it, and what I learned.

Playlist for this series


Industrial Sensing Fundamentals – Back to the Basics: NPN vs PNP

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Technical corrections

In the video at 12:06 I show the switches wired in parallel and say they can’t be in the “normally closed position and be wired together… that is true only in the parallel condition. If the switches are wired in series the problem is overcome.

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