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  • Users: GTodd
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  1. GTodd

    Voltage drop

    I've got a 120V relay that pulls 5.5 mA at rated voltage. The specs say it will operate at 80% of rated voltage. My circuit length is 1100 ft (one way). I've done the voltage drop calculation for #14 AWG. The loss is negligible, but I'm concerned that simply following the formula might be...
  2. GTodd

    Analog signal...mA vs. DC?

    I'm designing a new controller that has several analog inputs...pressure and motor current. I have a choice of 4-20mA or 0-5VDC transducers. Is one type more desirable or beneficial over the other?

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