MAXQ3180 Maxim, MAXQ3180 Datasheet - Page 50
MAXQ3180
Manufacturer Part Number
MAXQ3180
Description
The MAXQ3180 is a dedicated electricity measurement front-end that collects and calculates polyphase voltage, current, power, energy, and many other metering
and power-quality parameters of a polyphase load
Manufacturer
Maxim
Datasheet
1.MAXQ3180.pdf
(101 pages)
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Low-Power, Multifunction, Polyphase AFE
This register contains the value by which the raw accumulated energy value in each phase is multiplied before being
presented to the virtual energy registers. The table below lists the raw energy accumulators and the corresponding
virtual registers.
* These registers represent the algebraic sum of the positive and reverse energy in the two “raw” registers noted. Thus, the energy
returned in these virtual registers represents the net energy.
50
Real energy, phase A, positive direction
Real energy, phase A, reverse direction
Real energy, phase B, positive direction
Real energy, phase B, reverse direction
Real energy, phase C, positive direction
Real energy, phase C, reverse direction
Real energy, total
Reactive energy, phase A, positive direction
Reactive energy, phase A, reverse direction
Reactive energy, phase B, positive direction
Reactive energy, phase B, reverse direction
Reactive energy, phase C, positive direction
Reactive energy, phase C, reverse direction
Reactive energy, total
Apparent energy, phase A
Apparent energy, phase B
Apparent energy, phase C
Apparent energy, total
Real energy, phase A, positive direction, fundamental only
Real energy, phase A, reverse direction, fundamental only
Real energy, phase B, positive direction, fundamental only
Real energy, phase B, reverse direction, fundamental only
Real energy, phase C, positive direction, fundamental only
Real energy, phase C, reverse direction, fundamental only
Real energy, total, fundamental only
Reactive energy, phase A, positive direction, fundamental only
Reactive energy, phase A, reverse direction, fundamental only
Reactive energy, phase B, positive direction, fundamental only
Reactive energy, phase B, reverse direction, fundamental only
Bit:
Name:
Reset:
Bit:
Name:
Reset:
______________________________________________________________________________________
15
7
DESCRIPTION
14
6
13
Energy Units Conversion Coefficient High Byte
5
Energy Units Conversion Coefficient Low Byte
Energy Units Conversion Coefficient (ENR_CC) (0x01A)
12
4
0x00
0x01
11
3
A.EAFNEG
B.EAFNEG
C.EAFNEG
A.ERFNEG
B.ERFNEG
A.EAFPOS
B.EAFPOS
C.EAFPOS
A.ERFPOS
B.ERFPOS
A.EANEG
B.EANEG
C.EANEG
A.ERNEG
B.ERNEG
C.ERNEG
A.EAPOS
B.EAPOS
C.EAPOS
A.ERPOS
B.ERPOS
C.ERPOS
RAW
C.ES
10
A.ES
B.ES
2
—
—
—
—
9
1
ENRQF.A*
ENRQF.B*
ENRPF.A*
ENRPF.B*
ENRPF.C*
VIRTUAL
ENRQ.A*
ENRQ.B*
ENRQ.C*
ENRP.A*
ENRP.B*
ENRP.C*
ENRPF.T
ENRP.T
ENRQ.T
ENRS.A
ENRS.B
ENRS.C
ENRS.T
8
0