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90E32 Datasheet, PDF (55/71 Pages) Integrated Device Technology – Poly-Phase High-Performance Wide-Span Energy Metering IC
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90E32
POLY-PHASE HIGH-PERFORMANCE WIDE-SPAN ENERGY METERING IC
6.4.4 FUNDAMENTAL/HARMONIC ENERGY CALIBRATION REGISTERS
Table-7 Fundamental/Harmonic Energy Calibration Registers
Register
Address
Register Name
Read/Write
Type
Functional Description
Power-on Value
50H
HarmStart
R/W
Harmonic Calibration Startup Command
6886H
51H
POffsetAF
R/W
Phase A Fundamental Active Power Offset
0000H
52H
POffsetBF
R/W
Phase B Fundamental Active Power Offset
0000H
53H
POffsetCF
R/W
Phase C Fundamental Active Power Offset
0000H
54H
PGainAF
R/W
Phase A Fundamental Active Power Gain
0000H
55H
PGainBF
R/W
Phase B Fundamental Active Power Gain
0000H
56H
PGainCF
R/W
Phase C Fundamental Active Power Gain
0000H
57H
CS2*
R/W
Checksum 2
0000H
Note: The calculation of the CS2 register is similar as the CS0 register by calculating the 51H-56H registers. For details, please refer to IDT application note AN-644.
6.4.5 MEASUREMENT CALIBRATION
Table-8 Measurement Calibration Registers
Register
Address
Register Name
Read/Write
Type
Functional Description
Power-on Value
60H
AdjStart
R/W
Measurement Calibration Startup Command
6886H
61H
UgainA
R/W
Phase A Voltage RMS Gain
CE40H
62H
IgainA
R/W
Phase A Current RMS Gain
7530H
63H
UoffsetA
R/W
Phase A Voltage RMS Offset
0000H
64H
IoffsetA
R/W
Phase A Current RMS Offset
0000H
65H
UgainB
R/W
Phase B Voltage RMS Gain
CE40H
66H
IgainB
R/W
Phase B Current RMS Gain
7530H
67H
UoffsetB
R/W
Phase B Voltage RMS Offset
0000H
68H
IoffsetB
R/W
Phase B Current RMS Offset
0000H
69H
UgainC
R/W
Phase C Voltage RMS Gain
CE40H
6AH
IgainC
R/W
Phase C Current RMS Gain
7530H
6BH
UoffsetC
R/W
Phase C Voltage RMS Offset
0000H
6CH
IoffsetC
R/W
Phase C Current RMS Offset
0000H
6FH
CS3*
R/W
Checksum 3
8EBEH
Note: The calculation of the CS3 register is similar as the CS0 register by calculating the 61H-6EH registers. Here the value of 6DH and 6EH registers can only be
read, VALUE6DH=7530H and VALUE6EH=0000H.
Register
55
December 9, 2011
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