參數(shù)資料
型號(hào)： 71M6533H-IGT/F
廠商： TERIDIAN SEMICONDUCTOR CORP
元件分類： 模擬信號(hào)調(diào)理
英文描述： SPECIALTY ANALOG CIRCUIT, PQFP100
封裝： LEAD FREE, LQFP-100
文件頁數(shù)： 124/124頁
文件大?。?/td> 2008K
代理商： 71M6533H-IGT/F
FDS_6533_6534_004
71M6533/71M6534 Data Sheet
v1.1
2007-2009 TERIDIAN Semiconductor Corporation
99
0x2E
QUANT_IA
0
These parameters are added to compensate for input noise and
truncation in their respective channels in the squaring calcula-
tions for I
2 and V2.
LSB=VMAX
2*5.08656*10-13 V2 and
LSB= (IMAX
2/In_82)* 5.08656*10-13 A2
0x2F
QUANT_IB
0
0x30
QUANT_IC
0
0x35
0x63653333
Text strings holding the CE version information as supplied by
the CE data associated with the CE code. For example, the
words 0x63653333 and 0x61303463 form the text string
“ce33a04c”.
These locations are overwritten in operation.
0x36
0x61303463
0x37
0x00000000
4.3.10 CE Calibration Parameters
Table 61 lists the parameters that are typically entered to effect calibration of meter accuracy.
Table 61: CE Calibration Parameters
CE Ad-
dress
Name
Default
Description
0x10
CAL_IA
16384
These constants control the gain of their respective channels. The
nominal value for each parameter is 2
14 = 16384. The gain of each
channel is directly proportional to its CAL parameter. Thus, if the
gain of a channel is 1% slow, CAL should be increased by 1%.
0x11
CAL_VA
16384
0x12
CAL_IB
16384
0x13
CAL_VB
16384
0x14
CAL_IC
16384
0x15
CAL_VC
16384
0x18
PHADJ_A
0
These constants control the CT phase compensation. No com-
pensation occurs when PHADJ_X = 0. As PHADJ_X is increased,
more compensation (lag) is introduced. The range is
± 215 – 1. If it
is desired to delay the current by the angle
Φ, the equations are:
Φ
Φ
=
TAN
X
PHADJ
0131
.
0
1487
.
0
02229
.
0
2
_
20
at 60Hz
Φ
Φ
=
TAN
X
PHADJ
009695
.
0
1241
.
0
0155
.
0
2
_
20
at 50Hz
0x19
PHADJ_B
0
0x1A
PHADJ_C
0
4.3.11 CE Flow Diagrams
Figure 42 through Figure 44 show the data flow through the CE in simplified form. Functions not shown
include delay compensation, sample interpolation, scaling and the processing of meter equations.
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