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71M6513/71M6513H
A Maxim Integrated Products Brand
3 -Phase Energy Meter IC
DATA SHEET
AUGUST 2011
During operation, the MPU is in charge of controlling the multiplexer cycles, for example by inserting an alternate multiplexer
sequence at regular intervals using MUX_ALT . This enables temperature measurement. The polarity of CHOP must be altered
for each sample. It must also alternate for each alternate multiplexer reading.
The MPU must program CHOP_EN alternately between 01 and 10 on every CE_BUSY interrupt except for the first CE_BUSY
after an XFER_BUSY interrupt. Note that when XFER_BUSY occurs, it will always be at the same time as a CE_BUSY
interrupt.
Operating CE codes with environment parameters deviating from the values specified by Teridian will lead to
unpredictable results.
CE Calculations
The CE performs the precision computations necessary to accurately measure power. These computations include offset
cancellation, phase compensation, product smoothing, product summation, frequency detection, VAR calculation, sag
detection, peak detection, and voltage phase measurement. All data computed by the CE is dependent on the selected meter
equation as given by EQU ( in I/O RAM ) . As a function of EQU , the element components V0 through I2 take on different
meanings.
EQU
Watt & VAR Formula
( WSUM/VARSUM )
W0SUM/
VAR0SUM
Element Input Mapping
W1SUM/ W2SUM/ I0SQ
VAR1SUM VAR2SUM SUM
I1SQ
SUM
I2SQ
SUM
0
1
2
3
4
5
VA IA (1 element, 2W 1 φ )
VA*(IA-IB)/2
(1 element, 3W 1 φ )
VA*IA + VB*IB
(2 element, 3W 3 φ Delta)
VA*(IA-IB)/2 + VC*IC
(2 element, 4W 3 φ Delta)
VA*(IA-IB)/2 + VB*(IC-IB)/2
(2 element, 4W 3 φ Wye)
VA*IA + VB*IB + VC*IC
(3 element, 4W 3 φ Wye)
VA*IA
VA*(IA-IB)/2
VA*IA
VA*(IA-IB)/2
VA*(IA-IB)/2
VA*IA
-
VB*IB
-
VB*(IC-IB)/2
VB*IB
-
-
-
VC*IC
-
VC*IC
IA
(IA-IB)
IA
IA-IB
IA-IB
IA
-
IB
IB
IB
IC-IB
IB
-
-
-
IC
IC
IC
CE RAM Locations
The information given in the following tables apply to CE code Version CE13B09D.
Page: 68 of 104
? 2005-2011 Teridian Semiconductor Corporation
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相关代理商/技术参数
71M6513H-IGTR/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-IGTR/F1
功能描述:计量片上系统 - SoC
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
71M6513-IEL
制造商:未知厂家 制造商全称:未知厂家 功能描述:71M6513
71M6513-IEL/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
71M6513-IELR/F
制造商:Maxim Integrated Products 功能描述:Metering Systems on a Chip - SoC 3-Phase Energy Meter I/C
71M6513-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
71M6513-IGT/F1
功能描述:计量片上系统 - SoC
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
71M6513-IGTR/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