Maxim Integrated 78M6610+LMU Evaluation Kit - Manual (Page 20)

78M6610+LMU Evaluation Kit User Manual
20 Rev 1
6 Alternate Sensor Configurations
6.1 Split-Phase Using Shunt (On Neutral) and One CT (On Line)
In this configuration, neutral is measured instead of Line 2. Results for Line 2 are indirectly calculated from the
measurements on Line 1 and Neutral.
Connect
USB port
to PC
AC source
Line 1
Neutral
Line 2
Load
Line 1
CT
+
1. Connect the AC source Neutral output to J15.
2. Connect J8 to Load’s Neutral input.
3. Connect the AC source Line 1 output to J2 and to Load’s Line 1 input.
4. Feed Line 1 through the CT.
5. Connect Line 1 CT’s secondary to J14 (burden resistor).
6. Connect the AC source Line 2 output to J4 and the Load’s Line 2 input.