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71M6513/71M6513H Demo Board User’s Manual
The nominal external RMS voltage that corresponds to 250mV peak at
0x09
6000
VMAX
the ADC input. The meter uses this value to convert internal quantities
to external. LSB=0.1V
The nominal external RMS current that corresponds to 250mv peak at
0x0A
2080
IMAX
the ADC input. The meter uses this value to convert internal quantities
to external. LSB=0.1A
Sample rate control for neutral current detection (D6513T3C1 Demo
Boards only). The frequency of alternative multiplexer cycles
(measuring V3 and temperature) is given by:
f =
0x0F
10
ALT_MUX_RATE
2520 . 6
ALT _ MUX _ RATE
The default setting results in a frequency of 252Hz. See section 1.10.4
for details.
This address is only used by the “Neutral Current”
Demo Code. For other Demo Code revisions, XRAM
word address 0x0F is a reserved location.
For each element, if ISQSUM_X of that element exceeds
ICREEP_THR , the sample values for that element are not zeroed.
Otherwise, the accumulators for Wh, VARh, and VAh are not updated
0x13
44
ICREEP_THR
and the instantaneous value of IRMS for that element is zeroed.
LSB = 9.4045*10 -13 IMAX 2 Wh
Demo Code revision 3.05: The default value 44 is equivalent to
0.00644A 2 .
Table 1-6: MPU Input Parameters for Metering
MPU Input Parameters for Temperature Compensation
XDATA
Word
Address
0x04
Default
Value
0
Name
Y_CAL
Implement RTC trim.
Description
0x05
0x06
0
0
Y_CALC
Y_CALC2
CORRECTION ( ppm ) =
Y _ CAL
10
+ T ?
Y _ CALC
100
+ T 2 ?
Y _ CALC 2
1000
PPM/C*26.84. Linear temperature compensation. A positive value will
0x0B
0
PPMC
cause the meter to run faster when hot. This is applied to both V and I
PPM/C *1374. Square law compensation. A positive value will cause the
and will therefore have a double effect on products. Default is 0.
2
0x0C
0
PPMC2
meter to run faster when hot. This is applied to both V and I and will
therefore have a double effect on products. Default is 0.
0x0D
22721
DEGSCALE
Scale factor for TEMP_X.
TEMP_X=DEGSCALE*2 -22 *(TEMP_RAW_X-TEMP_NOM).
Y_CAL, Y_CALC, Y_CALC2 are 16-bit signed integers, i.e. the range is –32,767 to +32,768
Table 1-7: MPU Input Parameters for Temperature Compensation
Page: 35 of 112
? 2005-2006 TERIDIAN Semiconductor Corporation
Revision 5.6
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71M6513H-IELR/F 功能描述:计量片上系统 - SoC 3-Phase Energy Meter I/C RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 处理器系列:71M6511 类型:Metering SoC 最大时钟频率:70 Hz 程序存储器大小:64 KB 数据 RAM 大小:7 KB 接口类型:UART 可编程输入/输出端数量:12 片上 ADC: 安装风格:SMD/SMT 封装 / 箱体:LQFP-64 封装:Reel
71M6513H-IGT/F 功能描述:计量片上系统 - SoC 3-Phase Energy Meter I/C RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 处理器系列:71M6511 类型:Metering SoC 最大时钟频率:70 Hz 程序存储器大小:64 KB 数据 RAM 大小:7 KB 接口类型:UART 可编程输入/输出端数量:12 片上 ADC: 安装风格:SMD/SMT 封装 / 箱体:LQFP-64 封装:Reel
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