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PDF ATT7022C Data sheet ( Hoja de datos )
| Número de pieza | ATT7022C | |
| Descripción | Poly Phase Multifunction Energy Metering | |
| Fabricantes | Actions | |
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ATT7022C User Manual
V0.6
1 page  
Poly Phase Multifunction Energy
Metering IC with Per Phase Infomation ATT7022C
the frequency register indirectly, Ua (k), Ub (k) can be obtained from the
synchronous sampling ‘Ua+Ub+Uc’ mode buffer.
Our simulation shows the error is less than 0.2 degrees when the angle is
above 10 degrees.
Note that the original ADC data has no gain compensation, in actual
calculation the final sum need to be multiplied by the corresponding gain.
Register Description
1. The command register 0xC0 0xC1 and the parameter registers 0x7E 0x7F
relate to sampling data function.
2. Strengthening the accuracy of small-signal current modified the default value
of register 0x1F , and lead to the default value of parameters register 0x3E
and 0x5F changed at the same time .
operation address
name
reset value function description
0xC0 gWaveCommand 0x000000 If 0xCCCCCY, then
SPI start the waveform data
Send
buffer; or the format is
command
invalid. The Y means
the channel number of
the data need to be
preserved, 0 ~ 0x0B is
effective, followed by:
Ua \ Ia \ Ub \ Ib \ Uc \ Ic
\ In, \ Ua + Ia \ Ub + Ib \
Uc + Ic, \ Ua + Ub + Uc
\ Ia + Ib + Ic
0xC1 gWaveAddress 0x000000 User specify the read
location, its value is
valid ranging from 0 to
239, and is auto-zero
when over the border .
0x1F
W_Istartup
0x0001F0 Setting the starting
current threshold . User
can overwrite the
default value.
0x7E ptrWaveFormRd 0x000000 The next location for
SPI writing data, the
Get data
effective range is 0 ~
240.Its value stops at
240 after all the data
Page 4
5 Page 
Poly Phase Multifunction Energy
Metering IC with Per Phase Infomation ATT7022C
On the standard platform, ‘Ua+Ub+Uc’ mode, corresponding to Y = 0x0A:
x 104
1.5
1
0.5
0
-0.5
-1
-1.5
0
50 100 150 200 250
On the standard platform, ‘Ia+Ib+Ic’ mode, corresponding to Y = 0x0B:
5000
4000
3000
2000
1000
0
-1000
-2000
-3000
-4000
-5000
0
50 100 150 200 250
Page 10
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet ATT7022C.PDF ] | |
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