Hot answers tagged

1

Try putting a small capacitor (units to hundreds of nF) between the primary and secondary ground under your isolated DC/DC converter. EDIT: okay so I misunderstood your schematic... the ADM2682 apparently supplies its own power for the line interface. But the advice about grounding is generic. It could be a DC/DC in your off-the-shelf 485 dongle, or in the ...


Only top voted, non community-wiki answers of a minimum length are eligible