Maxim Integrated 71M6534 Energy Meter IC Family Software - Manual (Page 73)

71M653X Software User’s Guide
Vbat
Last measured battery voltage.* (Note: battery
voltage is measured once per day, except
when it is being displayed).
]7 / (2^9) (ADC counts,
logically shifted right 9 bits)
)22 unsigned 32
Vrms_A Vrms, element A sqrt(v0sqsum)*(2 16 ) )24 unsigned 32
Irms_A Irms, element A sqrt(i0sqsum)*(2 16 ) )25 unsigned 32
Vrms_B Vrms, element B**,† sqrt(v1sqsum)*(2 16 ) )26 unsigned 32
Irms_B Irms, element B sqrt(i1sqsum)*(2 16 ) )27 unsigned 32
Vrms_C Vrms, element C‡ sqrt(v2sqsum)*(2 16 ) )28 unsigned 32
Irms_C Irms, element C‡ sqrt(i2sqsum)*(2 16 ) )29 unsigned 32
Status Status of meter
Bits:
See table below.
)2A unsigned 32
CAI
Count of accumulation intervals since reset, or
last clear (“)1=2”)
count )2b signed 32
Whi** Imported Wh, all elements. LSB of w0sum )2c signed 64
Whi_A** Imported Wh, element A “ )2e signed 64
Whi_B** Imported Wh, element B “ )30 signed 64
Whi_C**‡ Imported Wh, element C “ )32 signed 64
VARhi* Imported VARh, all elements. LSB of w0sum )34 signed 64
VARhi_A Imported VARh, element A “ )36 signed 64
VARhi_B Imported VARh, element B “ )38 signed 64
VARhi_C*‡ Imported VARh, element C “ )3A signed 64
VAh** Volt-amps, all elements. LSB of w0sum )3C signed 64
VAh_A** Volt-amps, element A “ )3e signed 64
VAh_B** Volt-amps, element B “ )40 signed 64
VAh_C**‡ Volt-amps, element C “ )42 signed 64
Whe** Exported Wh, all elements. LSB of w0sum )44 signed 64
Whe_A** Exported Wh, element A “ )46 signed 64
Whe_B** Exported Wh, element B “ )48 signed 64
Whe_C**‡ Exported Wh, element C “ )4A signed 64
VARhe** Exported VARh, all elements. LSB of w0sum )4C signed 64
VARhe_A** Exported VARh, element A “ )4e signed 64
VARhe_B** Exported VARh, element B “ )50 signed 64
VARhe_C**‡ Exported VARh, element C “ )52 signed 64
Whn Net metered, all elements LSB of w0sum )54 signed 64
Whn_A Net metered Wh, element A, for autocalibration “ )56 signed 64
Whn_B Net metered Wh, element B, for autocalibration “ )58 signed 64
Whn_C‡ Net metered Wh, element C, for autocalibration “ )5A signed 64
VARhn Net metered VARh, sum, all elements LSB of w0sum )5c signed 64
VARhn_A
Net metered VARh, element A, for
autocalibration
“ )5e signed 64
v1.1v1.1 TERIDIAN Proprietary 73 of 116
© Copyright 2005-2008 TERIDIAN Semiconductor Corporation