71M6534 MAXIM [Maxim Integrated Products], 71M6534 Datasheet - Page 105
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71M6534
Manufacturer Part Number
71M6534
Description
Exceeds IEC 62053/ANSI C12.20 Standards
Manufacturer
MAXIM [Maxim Integrated Products]
Datasheet
1.71M6534.pdf
(132 pages)
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5.3.13 CE Flow Diagrams
Figure 45
include delay compensation, sample interpolation, scaling and the processing of meter equations.
Rev 2
ID
IA
VA
IB
VB
IC
VC
IA_RAW
VA_RAW
through
Generator
OFFSET
OFFSET
F0
F0
NULL
NULL
multiplexer
F0
Figure 46: CE Data Flow: Scaling, Gain Control, Intermediate Variables
...other phases
F
Per channel
S
Figure 47
= 2184 Hz
CAL_IA
CAL_VA
x
x
Figure 45: CE Data Flow: Multiplexer and ADC
show the data flow through the CE in simplified form. Functions not shown
GAIN_ADJ
VREF
F
CLK
x
x
mod
x
ΔΣ
= 4.9152MHz
FIR
PHASE
PHADJ_A
COMP
90°
x
de-multiplexer
F
Per channel
S
= 2184 Hz
x
LPF
LPF
IA_RAW
VA_RAW
IB_RAW
VB_RAW
VC_RAW
ID_RAW
IC_RAW
VAR0
F0
IA
W0
V0
105