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An issue about ADE7880: current zero calibration

Question asked by hpkamen on Oct 9, 2015
Latest reply on Oct 14, 2015 by hmani

Dear Sir/Madam,

I could use ADE7880 to get right voltage value, but I don't know how to do current calibration.

After power-up without load, i read the register of AIRMS, and it always has a deviation of 0x6aa. I try to write different value to it, however, I always get the same value. I wonder the reason for it, and how to do current calibration.

could you please clarify it.