Microchip Technology ARD00342 User Manual

DS51968A-page 18

© 2012 Microchip Technology Inc.

Important! Not all registers and features
are implemented in this version of
firmware release.

8

R/W Configuration register for operating mode of the meter

8

R

STATUS register

8

R/W Configuration register for calibration control

16

R/W 2

n

 number of line cycles to be used during energy accumulation

16

R

Counter for number of line cycles

64

R

Raw

2

 RMS value from the current A/D converter in LSBs

16

R

Raw RMS value from the current A/D converter in LSBs

16

R

RMS value of the current, post Calibration

64

R

Raw

2

 RMS value from the voltage A/D converter in LSBs

16

R

Raw RMS value from the voltage A/D converter in LSBs

16

R

RMS value of the voltage, post Calibration

16

R

Line Frequency

64

R

Raw Active Power

32

R

Final Active Power, units in watts (W)

32

R

Final Apparent Power, units in volt-amperes (VA)

64

R

Raw Reactive Power

32

R

Final Reactive Power, units in volt-amperes-reactive (VAR)

32

R

Period register

32

R

Final Active Energy accumulated

RAW_ENERGY_ACT

64

R

Raw Active Energy accumulated

32

R

Final Apparent Energy accumulated

RAW_ENERGY_APP

64

R

Raw Apparent Energy accumulated

8

R

Not implemented

8

R

Not implemented

32

R

Final Reactive Energy accumulated

RAW_ENERGY_REACT

64

R

Final Reactive Energy accumulated

8

R/W Phase compensation between voltage and current

16

R/W Offset adjustment for RMS current reading

16

R/W Offset adjustment for RMS voltage reading

16

R/W Gain adjustment for RMS current

16

R/W Gain adjustment for RMS voltage

32

R/W Active Power offset

16

R/W Active Power gain adjust

32

R/W Offset correction for Reactive Power

16

R/W Reactive Power gain adjust to produce X VAR/LSB

16

R/W Not implemented

16

R/W Not implemented

16

R/W Not implemented

8

R/W Defines CF pulse width from 0 to 255 x 0.8192 ms (0.209s)

8

R/W Active Energy Pulse Output correction factor