DS3800HMHA1E1F DS3815PCLA1A1A

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描述

DS3800HMHA1E1F DS3815PCLA1A1A

对象存储设备并不适合所有的用户。”Panasas公司的CTOGarthGibson博士说。经过几年的努力,Panasas在政府,科研,能源,媒体和金融服务有了很多非常成功的案例。“Panasas是使用面向对象的存储集群,来解决计算集群的并行存储的问题”。高性能计算和存储专家胡家鎏教授说。

    高性能计算领域
    对象存储体系结构提供了一个带有NAS系统的传统的文件共享和管理特征的单系统映象(single-system-image)文件系统,并改进了SAN的资源整合和可扩展的性能。这种性能,可扩展性,可管理性以及安全性的结合,只能通过在存储体系结构上的重大革命才能被完成。
    第一个支持对象体系结构的产品现在已经问世,它就是PanasasActiveScaleStorageCluser(存储集群)。
    此产品已经被部署在国家实验室,地震资料处理机构,以及生物技术组织,它们都在用Linux集群去解决关键的科学问题,这些问题在过去是用巨型超级计算机也不能解决的。它们都期盼能解决需要高性能,可扩展的共享存储才能解决的新问题,这种存储在Panasas的存储体系之前,在市场上是没有的。Panasas存储集群及基于对象的存储体系结构已经展示了,它们能迎接由Beowolf/Linux集群计算体系结构提出的挑战,在那里,传统的基于SAN和DAS的产品都会败下阵来。Panasas在美国能源部(U.S.DepartmentofEnergy:DOE)、LawrenceLivermore国家实验室,LosAlamos国家实验室,Sandia国家实验室,PacificNorthwest国家实验室的高性能计算系统中已得到了初步的应用。在全球范围内,Panasas对象存储集群系统的性能在企业级HPC集群的关键应用中得以淋漓体现和发挥。

产品承诺:
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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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NetApp DSX-7.0TB-R5-C DS14MK2-AT 14 X267A-R5 500GB SATA
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NETAPP X900A-ESH2-R5-C DS14MK2 14x 300GB 10K 4.2TB X276
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NetApp DS14MK2 14x 300GB 10K X276A 4.2TB!! DS14 MK2
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2x ESH Control Modules, 2x Power Supplies

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Netgear DS14MK2-AT NetApp DS14mk2 AT Disk Tray

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NetApp FAS3020c iSCSI Filer 2 x CPU

NetApp Network Applicance F825 Filer

NetApp FAS270 Controller Module Filer Head

IBM N3700 NETAPP FAS270 Controller Module Filer Head

Netapp X294a-R5 2TB SATA DSMK2-AT

Netapp X291a-R5 450GB FC HDD DS14MK-4

NetApp DS14 Disk Array 14 X 144GB 2 X ESH 2GB FC

NetApp X291A-R5 450GB 15K FC DS14 MK4 FC

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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。