This disclosure relates to a sensing system and method comprising a plurality of resistive elements coupled to a plurality of nodes and a control system configured to index through a plurality of modes to measure electrical properties for each resistive element. Each of the plurality of modes represents a different combination of power, return, or open circuit state applied to each of the plurality of nodes, and the control system determines the physical parameter to each of the modes. Configured to calculate the total power consumed by the sensing system and the power consumed by each of the resistive elements based on the electrical characteristics measured for.
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