NI 9242 User Manual and Specifications
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© National Instruments
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33
Converting L-N Measurements to L-Earth
To convert L-N measurements to L-Earth values, add the neutral
channel reading to each AI channel reading.
Refer to the following equation for an example of converting L-N
measurements to L-Earth.
Line to Earth
= AI
x
+
Neutral
where
AIx
is the analog input channel reading
Neutral
is the Neutral channel reading