NI 9244 User Manual and Specifications
|
© National Instruments
|
25
Figure 12.
Connecting a 2-Wire Measurement
Converting L-N Measurements to L-L
To convert L-N measurements to L-L values, calculate the voltage
difference between the AI channels using your application
software.
Refer to the following equation for an example of converting L-N
measurements to L-L.
Phase A to Phase B Voltage = AIO - AI1
where
AI0
is the reading from Phase A
AI1
is the reading from Phase B
NI 9244
AI0
Ne
u
tr
a
l