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ADE7878A Calibration Issue

Question asked by AshishT on Sep 21, 2015
Latest reply on Sep 24, 2015 by hmani

hi ,

i am  using  energy meter ic evaluation board ADE7878A.

I am getting some issue in calibration of voltage as well as current.

1) i have calibrated board using  Quick Setup. but what if, i want to calibrated it without quick Startup ?

2) I am using CT for current measurement i.e 200/80mA, given nominal voltage is 200V, Current as 2.6A

RMS value read by AVRMS register is 2325262 , AIRMS reg value is 1102731. what is does it means??

3) also when i try to read AWATTHR reg its value is nagative??