71M6513/71M6513H
A Maxim Integrated Products Brand
3 -Phase      Energy Meter IC
DATA SHEET
SEPTEMBER 2011
CE
Address
Name
Default
Description
When PULSE_SLOW > 0, the pulse generator input is reduced 64x.
When PULSE_FAST > 0, the pulse generator input is increased 16x.
1.5 * 2 = 6
0x28
PULSE_SLOW
1
These two parameters control the pulse gain factor X (see table below).
Allowed values are either 1 or –1.
X
PULSE_SLOW
PULSE_FAST
2
-1
-1
1.5 * 2 = 96
0x29
PULSE_FAST
1
6
-1
1
1.5 * 2 = 0.09375
1.5
-4
1
1 (default)
-1
1 (default)
0x2D
0x36
WRATE
SUM_PRE
683
2520
Kh = VMAX * IMAX *66.1782 / ( In_8 * WRATE *N ACC *X) Wh/pulse.
PRE_SAMPS * SUM_CYCLES (N ACC )
Should be 15 or 0. When zero, causes the pulse generators to respond to
0x37
EXT_PULSE
15
WSUM_X and VARSUM_X. Otherwise, the generators respond to values the
MPU places in APULSEW and APULSER .
0x3C
PULSE_WIDTH
50
The maximum pulse width (low-going pulse) is:
(2 * PULSE_WIDTH + 1) * 66μs. 0 is a legitimate value.
Wh pulse generator input, to be updated by the MPU when using external pulse
* WRATE * 2 -14
APULSEW * F S * 2
0x26
APULSEW
0
generation (see DIO_PW bit). The output pulse rate is:
-32
This input is buffered and can be updated by the MPU during a computation
interval. The change will take effect at the beginning of the next interval.
VARh pulse generator input, to be updated by the MPU when using external
* WRATE * 2 -14
APULSER * F S *2
0x27
APULSER
0
pulse generation (see DIO_PV bit). The output pulse rate is:
-32
This input is buffered and can be updated by the MPU during a computation
interval. The change will take effect at the beginning of the next interval.
? 2005-2011 Teridian Semiconductor Corporation
Page: 75 of 104
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