I have designed a measurement card using ADE 7880. The PCB will be ready in few days. I need help in testing procedure of ADE 7880 (hardware level). How can i test it each module wise ?
Please tell me the calibration procedure of ADE 7880.
A great resource for the ADE7880 is the Calibration Application Note, AN-1171. The idea of calibration is that first you phase calibrate the channels to remove any phase delay caused by the CT's measuring the phase currents (Page 12). Then a Gain calibration is performed in order to match all the meters to the same V/LSB, A/LSB, W/LSB and Wh/LSB constants (Page 10 for RMS, Page 13 for Energy). Then if the accuracy at low current levels is not acceptable, an offset calibration can be performed (Page 14). If your using the CF pulses to calibrate rather then the registers then refer to Page 6. Let me know if you have some specific questions on the calibration process.
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