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Register value calculation for ADE7880

Question asked by anur on May 3, 2013
Latest reply on May 9, 2013 by hmani

Hello,

 

I have doubt in register value calculation:

 

say i am calculating value of vathr register using below formula:

 

Ufs=353V(according to my attenuator network for full scale adc voltage )


ifs=7amps(for full scale adc input)
value of n=3 each LSB represents 1kwh

result of vathr using above formula is very large-----------not possible to store in 8 bit register. so how this formula can be used to calculate vathr.
Thanks and Regards
anur

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