参数资料
型号: 71M6521FE-IMR/F
厂商: Maxim Integrated
文件页数: 85/107页
文件大小: 0K
描述: IC ENERGY METER 32K FLASH 68-QFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
系列: Single Converter Technology®
测量误差: 0.4%
电源电压: 3 V ~ 3.6 V
测量仪表类型: 单相,双相
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 64-VFQFN 裸露焊盘
供应商设备封装: 64-QFN(7.5x7.5)
包装: 带卷 (TR)
71M6521DE/DH/FE Data Sheet
Default
1.5 * 2 = 6
CECONFIG
[bit]
[15:8]
[7]
[6]
[5]
[4]
[3]
[2]
[1]
Name
SAG_CNT
--
FREQSEL
EXT_PULSE
--
IB_SHUNT
IA_SHUNT
PULSE_FAST
2B
80
(0x50)
0
0
1
0
0
0
0
Description
Number of consecutive voltage samples below SAG_THR before a sag
alarm is declared. The maximum value is 255. SAG_THR is at address
0x14.
Unused
Selected phase for frequency monitor (0 = A, 1 = B).
When zero, causes the pulse generators to respond to WSUM_X and
VARSUM_X . Otherwise, the generators respond to values the MPU places
in APULSEW and APULSER .
Unused
When 1, the current gain of channel B is increased by 8. The gain factor
controlled by In_SHUNT is referred to as In_8 throughout this document.
When 1, the current gain of channel A is increased by 8.
When PULSE_SLOW = 1, the pulse generator input is reduced by a factor of
64. When PULSE_FAST = 1, the pulse generator input is increased 16x.
These two parameters control the pulse gain factor X (see table below).
Allowed values are eithe   r 1 or 0. Default is 0 ( X = 6).
PULSE_SLOW
PULSE_FAST
X
2
0
0
1.5 * 2 = 0.09375
[0]
PULSE_SLOW
0
1.5 * 2 6 = 96
-4
0
1
1
0
1.5
1
1
CE TRANSFER VARIABLES
When the MPU receives the XFER_BUSY interrupt, it knows that fresh data is available in the transfer variables. The
transfer variables can be categorized as:
Rev 3
1.
2.
3.
4.
5.
6.
Fundamental energy measurement variables
Instantaneous (RMS) values
Other measurement parameters
Pulse generation variables
Current shunt variables
Calibration parameters
Page: 85 of 107
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