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71M6545HT-IGTR/F Datasheet(PDF) 60 Page - Maxim Integrated Products

Part # 71M6545HT-IGTR/F
Description  Energy Meter ICs
PDF  66 Pages
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

71M6545HT-IGTR/F Datasheet(HTML) 60 Page - Maxim Integrated Products

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Maxim Integrated │ 60
71M6545T/71M6545HT
Energy Meter ICs
www.maximintegrated.com
Table 20. CE Pulse Generation Parameters
CE ADDRESS
NAME
DEFAULT
DESCRIPTION
0x21
WRATE
547
ACC
VMAX IMAX K
Kh
Wh / pulse
WRATE N
X
⋅⋅
=
⋅
⋅⋅
where:
K = 66.1782 (Local Sensors)
K = 109.1587 (Remote Sensor)
NACC = SUM_SAMPS[12:0] (CE RAM 0x23)
X is a factor determined by PULSE_FAST and PULSE_SLOW. See
CECONFIGdefinitionformoreinformation
The default value yields 1.0 Wh/pulse for VMAX = 600 V and IMAX = 208
A. The maximum value for WRATE is 32,768 (215).
0x22
KVAR
6444
Scale factor for VAR measurement.
0x23
SUM_SAMPS
2520
SUM_SAMPS (NACC).
0x45
APULSEW
0
Wh pulse (WPULSE) generator input to be updated by the MPU when
using external pulse generation. The output pulse rate is:
APULSEW x fS x 2-32 * WRATE x X x 2-14.
This input is buffered and can be updated by the MPU during a conversion
interval. The change takes effect at the beginning of the next interval.
0x46
WPULSE_CTR
0
WPULSE counter.
0x47
WPULSE_FRAC
0
Unsigned numerator, containing a fraction of a pulse. The value in this
register always counts up towards the next pulse.
0x48
WSUM_ACCUM
0
Roll-over accumulator for WPULSE.
0x49
APULSER
0
VARh (VPULSE) pulse generator input.
0x4A
VPULSE_CTR
0
VPULSE counter.
0x4B
VPULSE_FRAC
0
Unsigned numerator, containing a fraction of a pulse. The value in this
register always counts up towards the next pulse.
0x4C
VSUM_ACCUM
0
Roll-over accumulator for VPULSE.



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