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  • Users: RFred
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  1. RFred

    AC/DC Relays

    I always thought I had a solid understanding of AC/DC relays, but something happened today and I'm completely confused. Today, I saw a DC coil relay operate perfectly fine (as far as we could tell) with reverse polarity on the coil (+24V on A2 and an open drain input on A1, sinking). I always...
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