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General Mach Discussion / Re: Basic question about DM542T hookup to PP BOB
« on: December 24, 2020, 12:50:49 PM »No, that would break optical isolation from input (PUL/DIR) and output stage of your drive.
Question: Should I connect the 5V PSU’s common to the GND terminal next to the +V terminal or should it go the ground terminals on the BOB? It’s just a simple PP BOB with no fanciness.