Maxim Integrated 71M6513H Power Meter IC Family Software User Manual
Page 75
71M651x Software User’s Guide
XRAM
Word
Address
Name
Description
0x14
0x15
0x16
Vrms_A
Vrms_B*
Vrms_C*
V
rms
from element 0, 1, 2.
Nacc
VMAX
LSB
8
10
4575
.
4
−
⋅
=
0x17
0x18
0x19
Irms_A
Irms_B
Irms_C*
I
rms
from element 0, 1, 2.
Nacc
In
IMAX
LSB
8
10
4575
.
4
8
−
⋅
=
0x1A
0x1B
0x1C
IPhase_A
IPhase_B*
IPhase_C*
In-Vn phase from element n. The number of degrees In lags Vn.
LSB=0.001°. Range = 0 to +360.
0x1D
Frequency
Frequency of voltage selected by CE input. If the selected voltage is below
the sag threshold, Frequency=0.
LSB
6
32
10
587
.
0
2
−
⋅
≈
≡
S
F
Hz
0x1E
Delta_T
Deviation from Calibration temperature.
LSB = 0.1
0
C.
0x1F
0x20
VPhase_AB*
VPhase_BC*
Amount phase B lags phase A and amount phase B lags phase C. LSB=1°
(0,360). If V
rms
_A<5% of VMAX, VPhase_AB and VPhase BC are cleared
to 0.
0x21
Status
MPU Status Word
Table 5-7: MPU Instantaneous Output Variables (6513)
Revision 2.4
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