Datasheet

71M6541D/F/G and 71M6542F/G Data Sheet
Rev 4 135
5.3.10 Other CE Parameters
Table 91 shows the CE parameters used for suppression of noise due to scaling and truncation effects.
Table 91: CE Parameters for Noise Suppression and Code Version
CE
Address
Name Default Description
0x25
QUANT_VA
0
Compensation factors for truncation and noise in voltage, current,
real energy and reactive energy for phase A.
0x26
QUANT_IA
0
0x27
QUANT_A
0
0x28
QUANT_VARA
0
0x29
†
QUANT_VB
0
Compensation factors for truncation and noise in voltage, current,
real energy and reactive energy for phase B.
†
71M6542 only.
0x2A
QUANT_IB
0
0x2B
QUANT_B
0
0x2C
QUANT_VARB
0
0x38
0x43453431
CE file name identifier in ASCII format (CE41a01f). These values
are overwritten as soon as the CE starts
0x39
0x6130316B
0x3A
0x00000000
LSB weights for use with Local Sensors:
)(10
08656
.
5
__
22
13
Amps
IMAXLSB
Ix
QUANT ⋅
⋅
=
−
For ce41a04,
QUANT_Ix_LSB = 3.6212·10
-13
· IMAX
2
(Amps
2
)
)(1004173.
1__
9
WattsIMAXVMAXLSBWxQUANT ⋅⋅⋅
=
−
For ce41a04,
QUANT_Wx_LSB = 7.4162·10
-10
· VMAX · IMAX (Watts)
)(
1004173
.1
__
9
VarsIMAXVMAXLSB
VARxQUANT ⋅⋅⋅
=
−
For ce41a04,
QUANT_VARx_LSB = 7.4162 · 10
-10
· VMAX · IMAX (Vars)
LSB weights for use with the 71M6x01 isolated sensors:
)(1038392.1__
2212
AmpsIMAXLSBIxQUANT ⋅⋅=
−
)(1071829.1__
9
WattsIMAXVMAXLSBWxQUANT ⋅⋅⋅=
−
)(1071829.1__
9
VarsIMAXVMAXLSBVARxQUANT ⋅⋅⋅=
−