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iEM3100 / iEM3200 / iEM3300 series user manual Power, energy and power factor
DOCA0005EN-04 109
PF value is calculated from the PF register value using the following formulas:
Related topics
• See the section for the applicable protocol for more information on the registers for that protocol.
Quadrant PF range PF register range PF formula
Quadrant 1 0 to +1 0 to +1 PF value = PF register value
Quadrant 2 -1 to 0 -1 to 0 PF value = PF register value
Quadrant 3 0 to -1 -2 to -1 PF value = (-2) - (PF register value)
Quadrant 4 +1 to 0 +1 to +2 PF value = (+2) - (PF register value)