G3电力线通信数据集中器设计指南

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　　Data concentrator with BeagleBone BLACK

　　Host PC

　　（Terminal）

　　Data concentrator Service node

　　BeagleBone Black½ TMDSPLCKITV4 ½ TMDSPLCKITV4

　　USB-RS232BeagleBonePLC modemPowerlinePLC modemHost PC

　　bridge（Terminal）

　　BLACK

　　（CMOS）

　　Legend： Modem SubSystem

　　 Processor SubSystem

　　Supporting function

　　Design Features

　　• Simplified， Cost-Effective Solution for Evaluating G3-Power Line Communications （PLC） Using BeagleBone Black （BEAGLEBK） and TI‘s PLC Modem Kit （TMDSPLCKITV4-CEN kit）

　　• Forms a Small End-to-End G3-PLC Network Using Two Modems from TMDSPLCKIT Kit：

　　– One for Data Concentrator PHY and One for Service Node

　　• Demonstrates Single-Phase Coupling

　　• Based on Kits Available from the TI Store or Distributors that Include Linux Applications， Middleware， Drivers， Hardware Schematics， Bill of Materials， and Design Files

　　Design Description

　　This PLC Data Concentrator design offers a simplified approach for evaluating G3-PLC using BeagleBone Black powered by the Sitara™ AM335x processor. Users can establish a G3-PLC network with one service node. This design supports single-phase coupling.

　　An IMPORTANT NOTICE at the end of this TI reference design addresses authorized use， intellectual property matters and other important disclaimers and information.

　　All trademarks are the property of their respective owners.

　　SPRUHT4 –May 2015G3 Power Line Communications Data Concentrator on BeagleBone Black1

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　　Copyright © 2015， Texas Instruments Incorporated

　　Required Hardware www.ti.com

　　1 Required Hardware

　　• One Linux computer， or a virtual machine running Linux

　　• One microSD （2GB+）

　　• One BeagleBone black board

　　• One TMDSPLCKITV4 kit

　　• One FTDI-RS232 bridge

　　2 Step-by-Step Description

　　This walkthrough will enable users to build a G3 PLC network with one node. Users can build up a PRIME PLC network in a similar fashion. Users will also learn how to configure and compile a Linux kernel required for this task.

　　Create a Standard Image on an SD Card

　　The base for this DC image will be the default image provided by the TI SDK. To modify the image：

　　1. Install the latest SDK on your Linux machine （or virtual machine）。

　　（a） Download the latest SDK， here “ti-sdk-am335x-evm-07.00.00.00-Linux-x86- Install.bin” from http://software-dl.ti.com/sitara_linux/esd/AM335xSDK/latest/index_FDS.html.

　　（b） Install the package on the Linux machine using a console window.

　　。/ti-sdk-am335x-evm-07.00.00.00-Linux-x86-Install.bin

　　Use the suggested directory， for example /home/user/ti-sdk-am335x-evm-07.00.00.00/。

　　NOTE： The abbreviation through the guide for this path is $SDK.

　　2. Make an SD card （2GB or more） available to the Linux machine and install the standard （pre-built） image on it.

　　cd $SDK/bin

　　sudo 。/create-sdcard.sh

　　Options： Create two partitions and use the pre-built image.

　　3. If necessary， remove and insert the SD card to mount it properly to the Linux environment.