集中器

基于MBUS总线的智能水表集中器的设计

Design of Concentrator of Intelligent Water Meter Based on M_BUS

基于ARM的多对象远程抄表系统集中器的设计与实现

Design and Implementation of the Concentrator Remote Meter Reading System Based on ARM

其中，集中器与主控计算机的通讯通过Internet网来进行。

The communication between the collectors and master computer is done by Internet .

连接集中器（connectionconcentrator）是DB2Connect特有的一个功能。

The connection concentrator is a feature that is unique to DB2 Connect .

注意：当maxconnections的值大于maxcoordagents的值时，连接集中器便被启用。

Note : Connection concentrator is enabled when max_connections is greater than max_coordagents .

基于GPRS的远程抄表系统集中器设计与研究

The research and design of concentrator of remote meter reading system based on GPRS

如果使用了大量的连接，那么请使用DB2的连接集中器（connectionconcentrator）功能。

If a large number of connections are used , investigate the connection concentrator feature of DB2 .

当INTRAPARALLEL参数是OFF，并且禁用集中器（concentrator）时，所有的排序就都是私有的。

When both the INTRA_PARALLEL parameter is OFF and the concentrator is disabled , all sorts are private .

该集中器通过web服务器给维护人员提供了简单易用的维护方式，使集中器软硬件设置、用电信息管理、系统测试等更加方便。

With the web server , this concentrator provide an easy-to-use way to maintain and manage concentrator , making the hardware configuration , management of power consumption information and system testing more convenient .

DTR是一种交换结构，在DTR集中器内把C口连接起来。

The DTR is the switching fabric the connects the C-Ports within DTR concentrator .

其SSCP300模块进行采集器和集中器的数据传输。

In system , data is transmitted with SSC P300 between terminals and concentrators .

基于MSP430的小区智能表集中器设计

Realization of Intelligent Concentrator with MSP430

与传统Web集群相比，其主要特点是后端执行服务器负责主动向集中器索取用户请求，无需传统的负载均衡机制和心跳机制。

Compared with the conventional web cluster , the main characteristic of ASACS is the servers apply for client requests from the dispatcher in a positive manner ; replacing traditional load balance and heart beat mechanisms .

基于ARM7的远程抄表载波集中器的研究与设计

The Research and Design on Remote Meter Reading Carrier Wave Concentrator Based on ARM

集中器的设计包括主控制器、电源电路、存储单元、时钟单元、GPRS模块和接口电路构成。

Concentrator design includes the main controller , power supply circuit , memory cell , the clock module , GPRS module and interface circuit .

住宅区内集中器一方面利用载波接口接收住户的数据，另一方面利用GPRS接口将集中的数据传送到Internet上。

The concentrator in residential area on one hand receives data from user 's meters via carrier interface and on the other hand transmits the data into Internet via GPRS interface .

本文简要介绍了企业路由器、路由选择桥接器、接入路由器、FDDI集中器和设备管理系统等设备。

Router Bridge . Access Router . FDDI Concentrator and Element Management System .

RS-485总线采用主从式结构进行多机通信，集中器为主机，采集器为从机，从机不能主动发送命令或数据，一切都由主机控制，各台从机之间也不能相互通信。

RS-485 bus adopts principal and subordinate mode to communicate . Concentrator is a Host . Acquisition unit is a subordinate .

DTR集中器由C-Ports（集中器端口，简称C口）和数据传输器（DTU）组成。

The DTR concentrator consists of C-Ports and a data transfer unit ( DTU ) .

由于没有语句集中器，DB2之前的版本需要单独处理上面例子中的每个语句，单独编译和执行每个语句。

Without the statement concentrator feature , prior releases of DB2 would treat each statement in the above example as unique , and would compile and execute each statement separately .

C口提供了DTR集中器与令牌环网站、标准集中器和其它DTR集中器的基本连接。

The C-Ports provide the basic connectivity from the device to token-ring stations , classic concentrators or other DTR concentrators .

在此基础上，本文对集中器应用功能的设计与实现展开详细论述，包括嵌入式数据库的设计，基于HTTPS协议的Web服务器设计，Web服务器子功能的设计，以及系统自动维护机制的设计等。

Second , this paper describes the design and implementation of the application functions of concentrator in detail , including the design of embedded database , HTTPS web server and mechanism of automatic mainterance .

远程抄表系统中集中器及M-Bus总线通信模块的设计与实现

Collector and Communication Module in Remote Meter Reading System

直接把现有令牌环网站接到DTR集中器的C口，你就能给这些站提供专用的16M位/秒带宽。

You can provide 16M bit / sec of dedicated bandwidth to existing token-ring stations by directly attaching them to DTR concentrator C-Ports .

通过分析CAN总线和RS485总线的特点，设计了CAN总线多功能集中器和网络通信协议。

After analyzing the features of CAN bus and RS-485 , multifunctional concentrator and network communication protocol is designed .

电表数据集中器的硬件系统是通过单片机来控制以太网卡，进行传输数据，加载TCP／IP协议连接到电网监控网络的。

In the hardware system of electric energy meter data collector , general microprocessor exchanges data or instructions with electric energy transportation monitoring and controlling system by means of the Internet card and TCP / IP protocol .

L2TP协议由两个部分组成：L2TP访问集中器（LAC）和L2TP网络服务器（LNS）。

L2TP consists of two pieces : the L2TP Access Concentrator ( LAC ) and the L2TP Network Server ( LNS ) .

同时利用硬件可重构技术和基于IP核的设计方法，在一个FPGA芯片上实现了抄表系统的关键部分&数据集中器，使系统能够灵活升级且不浪费已有硬件投资。

Hardware reconfiguration technologies and the IP-core-based design methodology are used to implement the concentrator , the most important part in this architecture , on a single FPGA chip , which makes it more flexible to be upgraded while saving the hardware investment .

此DTR标准定义了新的端站与集中器的要求并制定了全双工工作的协议。

The DTR standard defines requirements for new end-stations and concentrators , and it specifies a protocol for full-duplex operation .

本论文旨在开发一种基于单片机的新型智能网络电表数据集中器的软件系统，实现HFC智能网络电表系统项目的技术要求。

New microprocessor-based data collector software of intelligent network electric meters was developed in this dissertation to meet the technical requirements of Hybrid Fiber Coax ( HFC ) intelligent network electric energy meter system project .