I am using ADE7878 for Energy meter purpose. I have started communication b/w ADE7878 & my micro controller. When i read Voltage RMS registers, values are reading from the registers when i apply voltage to the corresponding ADC pins of ADE7878. But the reading voltage is lower than the actual voltage. Actual voltage is 229V but the value from ADE7878 is coming as 223V.
There is six voltage difference. How to correct this to read exact actual value.
Whether i need to use PGA, GAIN or OFFSET registers for this?. Please guide me to do this.
Expecting the early reply.