P0800EB

描述

为了解决高速的数据采集和低速的Flash访问速度之间的矛盾，采取将数据流串并转换，复制多个操作模块并行处理的设计方法。通过利用FPGA内部的存储区实现4个双口RAM作为缓冲区。每条外部Flash总线用一个双口RAM，采集到的数据分时加载到4个RAM中，然后再写入Flash。写入Flash的操作以流水方式进行，具体方式如图3所示。首先，外部A／D采样通道写数据到RAM1。当RAM1写满时，加载数据到第一组Flash数据寄存器，加载完成后第一组Flash进入自动编程阶段；当RAM2写满时，第2组Flash加载开始，数据加载完成后，进入自动编程阶段。依次加载RAM3，当RAM4写满，第4组Flash开始加载后，FPGA内部控制重新写RAM1，开始对第5组Flash操作，然后依此循环方式对第6～16组Flash进行操作；当第16组数据加载完成后，第1组Flash已经编程结束，接着从第1组Flash开始加载和编程。可看出向16组Flash写入数据是并行的，通过并行写操作，可存储高速采集的数据。

欧美品牌停产的，常用的“PLC”备品备件

我司产品应用于以下领域：

1,《发电厂DCS监控系统》

2,《智能平钢化炉系统制造》

3,《PLC可编程输送控制系统》

4,《DCS集散控制系统》
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5,《智能型消防供水控制系统》

6,《化工厂药液恒流量计算机控制系统》

7,《电气控制系统》造纸,印染生产线,变电站综合自动化控制系列

本特利，英维思，伍德沃德，福克斯波罗、西屋、瑞恩、施耐德莫迪康、ABB、AB、西门子、摩托罗拉、GE发那科、安川、博世力士乐，ACSO，力士乐等各大品牌的DCS系统配件，机器人系统配件，大型伺服系统备件。

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