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Analog input glitch

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  • Sylvain
    replied
    Ok found the problem, I used same power supply for 4-20mA signal and for switching outputs. I now use a separate power supply and the 4-20mA doesn't go bezerk.

    Sylvain

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  • Sylvain
    started a topic Analog input glitch

    Analog input glitch

    I am using a C0-04AD-1 to read a 4-20mA temperature transmitter, and for whatever reasons, there are sometimes missreading, probably due to unstable 24vdc powersupply, but i am not sure.

    Is there a way to prevent readings that for a millisecond go off the roof (20mA) ? Something like a damper is rising slope is too high?

    Sylvain
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