PMES-16A2F

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描述

PMES-16A2F

到目前为止,富士通半导体已经开发出了高频段(13.6MHz)和超高频段(860MHz到960MHz)RFIDLSI产品。这些产品最重要的特点就是它们内嵌FRAM。由于擦写速度快、耐擦写次数高,它们已经作为数据载体型被动RFIDLSI而被全世界广泛采用。
    大存储数据载体的优势就是RFID可以记录可追溯数据,如制造数据、生产数据、物流数据、维护数据等,因此它可用于各种资产、产品和零部件的管理。由于大存储数据载体具有这些优势,人们希望进一步利用FRAMRFID来连接传感器等设备。
    基于这些市场需求,我们开发出了一种带有串行接口的技术;超高频段RIFDLSI上的串行外围接口(SPI)。
    FRAMFRIDLSI的附加值
    FRAM是一种非易失性存储器,使用铁电材料作为数据载体,结合了随机存储器(RAM)和只读存储器(ROM)的优势。作为用在RFID中的非易失性存储器,电擦除可编程只读存储器(E2PROM)已经得到广泛应用,但是当数据被写入时,E2PROM需要内部升压电压,因为数据存储的原则就是要看是否带有电子电荷,所以它的写入速度非常慢(需要数毫秒),耐擦写次数也仅限于10万次。因此,大部分基于E2PROM的RFIDLSI都是小存储容量产品,只适合读,不适合写。
    相比较而言,FRAM在写和读方面的性能一样好,因为二者的原则一样。FRAM本身的擦写速度是100纳秒,耐读/写次数是100亿次。这就是FRAMRFID为什么可以作为数据载体提供大存储容量的原因。
    存储容量大、擦写速度快的RFID的最重要的优势在于,它可以在自己的存储器上记录数据,由此可以将数据处理方式从集中数据管理转变为分散数据管理。传统的E2PROMRFID在很多情况下都采用集中管理的方式,在这种模式下,数据存在了服务器端,需要与标签本身的ID相关联。而FRAMRFID可以实现分散数据管理,数据可以存在标签上,由此减轻了服务器的载荷。这种方式尤其适合工厂自动化(FA)和维修领域中的生产历史管理。在工厂自动化领域中,有数百个流程都需要经常写入数据;在维修领域中,现场数据确认时也需要经常写入数据,如维修历史、零部件信息等,这样就不需要询问数据服务器。

产品承诺:
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保 证 安全准时发货,
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主营DCS系统配件
机器人系统配件
大型伺服系统配件
品牌:ABB   ,AB  ,GE,FOXBORO,本特利,英维思,伍德沃德,西屋,瑞恩,施耐德,西门子,摩托罗拉,安川。力士乐。ACSO,横河等进口品牌。 专业销售进口DCS  PLC系统备件模块
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专业销售进口DCS  PLC系统备件模块

PLC模块,可编程控制器,CPU模块,IO模块,AI模块,通讯模块。AB/施耐德/ABB/GE/本特利/西屋/英维斯/霍尼韦尔/黑马/FU克斯波罗

15天包退换 一年质保 大量现货  国内实力库存商家


选择深圳长欣,选择放心,售后无忧大量现货,当天顺丰发货!
主营: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。

先介绍几点经验。
1、先通读一遍“系统手册”(不管能不能看懂,先了解个大概,以便学习编程时查找);
2、由位控逻辑入手,逐渐增加定时、计数等条件,把或、与、非关系理顺;
3、进而练习整数运算、实数运算、类型转换;
4、量程转换、PID调节回路的建立及P、I、D参数的理解(最好是有个物理回路验证,比如变频器+电机+测速传感器);
5、循环、顺序、跳转等程序控制(尽量避免跳转,非跳不可时也是跳的越近越好);
6、中断、通讯、位置控制....

本人以ABB工业机器人配件DSQC系列和Motorola MVME系列,GE 卡件 模块 驱动器系列为主攻。各位电工朋友可根据自己的条件选择适合自己的PLC品牌,由于PLC的基本框架大同小异,学会一种至于其它的学习起来也就简单了。