71M6511/71M6511H
Single-Phase Energy Meter IC
A Maxim Integrated Products Brand
DATA SHEET
NOVEMBER 2010
Other CE Parameters
The table below shows CE parameters used for suppression of noise due to scaling and truncation effects as well as scaling
factors.
CE
Name
Default
Description
Address
These parameters are added to the Watt calculation to compensate for input
LSB=( VMAX * IMAX / IA_8 ) *7.4162*10
LSB=( VMAX * IMAX / IB_8 ) *7.4162*10
2F
22
QUANTA
QUANTB
0
0
noise and truncation.
-10
-10
W for phase A, and
W for phase B
These parameters are added to the VAR calculation to compensate for input
LSB = ( VMAX * IMAX / IA_8 ) * 7.4162*10
LSB = ( VMAX * IMAX / IB_8 ) * 7.4162*10
34
24
QUANT_VARA
QUANT_VARB
0
0
noise and truncation.
-10
-10
W for phase A, and
W for phase B
the squaring calculations for I and V .
LSB= VMAX *7.4162*10
V ,
A 2 for phase B.
LSB= ( IMAX /IB_8 )*7.4162*10
35
23
QUANT_IA
QUANT_IB
0
0
These parameters are added to compensate for input noise and truncation in
2 2
2 -10 2
LSB= ( IMAX 2 /IA_8 2 )*7.4162*10 -10 A 2 for phase A and
2 2 -10
Scale factor for the VAR calculation. The default value of KVAR should never
3B
KVAR
6448
12880
need to be changed.
for MUX_DIV = 1
for MUX_DIV = 2
Page: 74 of 98
? 2005–2010 Teridian Semiconductor Corporation
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