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| 型号： | 71M6511-DB |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 27/115页 |
| 文件大小： | 0K |
| 描述： | BOARD DEMO 71M6511 ENERGY METER |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 主要目的： | 电源管理，电度表/功率表 |
| 嵌入式： | 否 |
| 已用 IC / 零件： | 71M6511 |
| 已供物品： | 2 个板，线缆，CD，电源 |
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71M6511/71M6511H Demo Board User’s Manual
In this configuration, the whole Demo Board will be at line voltage! Touching the board or
any components must be avoided!
The routing of the input sensing traces for the reference V3P3 at the voltage and shunt
inputs is very critical.
Current shunts used in energy meters are usually of very low resistance, typically 100μ ? to 400μ ? . This is
because self-heating of the resistor that could lead to non-linear behavior must be avoided. A current shunt
of 200μ ? operated at 40A (at a power of 320mW) will only generate 8mV, far below the maximum range of
176mV for the current inputs of the 71M6511/6511H.
The 71M6511/6511H has an optional digital gain stage that can be used to increase low signals, as
generated by current shunts, by eight.
In order to operate the 71M6511/6511H Demo Board (D6511BT4A4, D6511BT4A5, D6511BT4A7 or later)
with a current shunt sensor, the following measures must be taken:
a)
b)
c)
d)
e)
f)
g)
Remove the jumpers on JP16 and JP17.
Remove R24 and R25 if IA_IN is the input channel for the current shunt or remove R106 and R107 if
IB_IN is the input channel for the current shunt.
Add a 10k ? resistor at R24 if IA_IN is the input channel for the current shunt or add a 10k ? resistor at
R106 if IB_IN is the input channel for the current shunt. This resistor will provide noise termination and
will suppress unwanted readings.
The LIVE line must be connected to the spade terminal J4 (bottom of the board).
The blue and white pair of wires from the shunt resistor must be connected to contacts 1 and 2 on J3, as
shown in Error! Reference source not found. , if IA_IN is the input channel or contacts 1 and 2 on J16
if IB_IN is the input channel.
Connect the green wire to pin1 of JP16 (pin closest to the regulator output, power supply pin) and the
red wire to pin 2 of JP17 (resistor divider output). Both wires are joined at the shunt.
Through the serial terminal (command line interface), the Demo Program can be set to run in current
shunt mode. This is done by issuing the commands >]2A=1 if IA_IN is connected to the shunt or
>]2B=1 for IB_IN connected to the shunt. This will cause the Demo Program to select the proper input
channels and to apply the gain of 8 to the shunt input channel from the ADC output before processing
for power measurement.
Revision 5.4
? 2005-2007 TERIDIAN Semiconductor Corporation
Page: 27 of 115
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 71M6511H | 制造商:TERIDIAN 制造商全称:TERIDIAN 功能描述:Single-Phase Energy Meter IC |
| 71M6511H-DB | 功能描述:开发板和工具包 - 8051 71M6511H Demo Brd RoHS:否 制造商:Silicon Labs 产品:Development Kits 工具用于评估:C8051F960, Si7005 核心: 接口类型:USB 工作电源电压: |
| 71M6511H-IGT | 制造商:TERIDIAN 制造商全称:TERIDIAN 功能描述:Single-Phase Energy Meter IC |
| 71M6511H-IGT/F | 功能描述:计量片上系统 - SoC Highly Integrated SoC w/MCU Core 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 |
| 71M6511H-IGTR | 制造商:Maxim Integrated Products 功能描述:RESID. HI PRECISION METR (1P, .1%) - Tape and Reel |
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