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2 X 4-20mA signals????

Discussion in 'General Electronics Discussion' started by Nick_K, Oct 8, 2013.

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  1. Nick_K

    Nick_K

    4
    0
    Oct 7, 2013
    Hi guys,

    I was wondering how it would be best to add together two 4-20mA signals?

    I would like to know what reasonably priced components could do this operation and the output needs to be in a singular 4-20mA output from the two 4-20mA inputs.

    Thanks in advance for any help you can give!
     
  2. shrtrnd

    shrtrnd

    3,744
    482
    Jan 15, 2010
    Sounds like you want a 'summer'.
    Check Wilkenson Instruments, Red Lion, other mfgrs that make them for 4-20ma devices.
    You get a lot of information from reading the specs on their devices, and often-times
    you can contact technical support on-line to ask specific questions about what you
    need to do the job.
     
  3. Nick_K

    Nick_K

    4
    0
    Oct 7, 2013
    thank you for your advice shrtrnd!
     
  4. gorgon

    gorgon

    603
    24
    Jun 6, 2011
  5. Nick_K

    Nick_K

    4
    0
    Oct 7, 2013
    yeah that looks great! thanks gorgon
     
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