ADM1293 Delta Power negative issue

Hi Sir,

        Please help check below formula is correct?

"delta_power = [Accumulated_power(n) + (rollover_count(n) * 2^15)] - [Accumulated_power(n-1) + (rollover_count(n-1) * 2^15)]"

Because use (Data 2 - Data 1) and (Data 8 - Data 7) the delta_power is negative. Thanks!

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