CS5463 datasheet(32/46 Pages) CIRRUS

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CS5463

DS678F3

6.1.17 Reactive Power Register ( QTrig )

Address: 24

The Reactive Power (QTrig) is calculated using trigonometric identities. (See Section 4.3 Power Measurements

on page 14). The value is represented in unsigned notation and in the range of 0

 S  1.0, with the binary point

to the right of the MSB.

6.1.18 Power Factor Register ( PF )

Address: 25

Power Factor is calculated by dividing the Active (Real) Power by Apparent Power. The value is represented in

two's complement notation and in the range of -1.0

 PF  1.0, with the binary point to the right of the MSB.

6.1.19 Apparent Power Register ( S )

Address: 27

Apparent power (S) is the product of the VRMS and IRMS, The value is represented in unsigned notation and in

the range of 0

 S  1.0, with the binary point to the right of the MSB.

MSB

LSB

2-1

2-2

2-3

2-4

2-5

2-6

2-7

.....

2-17

2-18

2-19

2-20

2-21

2-22

2-23

MSB

LSB

-(20)2-1

2-2

2-3

2-4

2-5

2-6

2-7

.....

2-17

2-18

2-19

2-20

2-21

2-22

2-23

MSB

LSB

2-1

2-2

2-3

2-4

2-5

2-6

2-7

.....

2-17

2-18

2-19

2-20

2-21

2-22

2-23

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