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Product FAQs

QUESTION

How do I convert raw data received through the analog input (AI) channels of an ioLogik E2000 to engineering units?

SOLUTION

You can use one of the following formulas to convert raw data (AI channel value; N-bit resolution) to engineering units:

  • If the raw data is > the square of 2(N-1), apply the following formula:1-4.png
  • If the raw data < the square of 2(N-1), apply the following formula:
    2-1.png Example:
    If the AI channel value and N-bit resolution are +/-10 V and 16-bit respectively, the FullScale value is 20 V and the HalfScale value is 10 V; square of 2(N-1) is 32768.
  • If the raw data is 26210, which is < 32768, the equivalent engineering unit is calculated as follows:
    3-1.png
  • If the raw data is 39344, which is > 32768, the equivalent engineering unit is calculated as follows:
    4-1.png

Relevant Products

ioLogik E2200 Series ·

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