6DP1616-8AA

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描述

6DP1616-8AA

在2004年,ANSI推出了基于对象的存储设备(OSD)的1.0版本规范。它定义了基于对象的存储设备的通讯协议。OSD规范描述了一个SCSI命令集合,由他提供一个高水平的OSD接口。这个接口允许客户端,比如文件系统和数据库存放和索引数据。SNIA’S技术工作组当前正在开发OSD规范的2.0版本,这个版本年内完成。
    一个OSD设备存放对象,他控制着从对象到物理介质的映射图。设备同时也跟踪作为属性的元数据,例如建立时间标记,从而允许在客户端非常容易地共享数据。
    可以说,OSD最大的卖点在于它结合了SAN的可扩展性和NAS的数据共享。早期的NAS架构的扩展性能并不好,因为所有的元数据的处理都集中在NAS服务器上。在有限的NAS头下扩张更多的存储受到限制,而且这个时候,NAS上的元数据处理变成了瓶颈。如果想扩展,就需要增加更多的NAS服务器,但是此时的管理成为头疼的事情,因为数据是分散的,这就是我们常说到的“NAS 孤岛”
    OSD的能力在于它将客户端和OSD设备直接联系起来,并不需要中间环节管理元数据。Panasas公司,全球第一家提供商用OSD产品的公司,同时提供面向对象的存储和并行文件系统。Panasas公司的DirectFLOW的设计,客户端从带外管理的控制刀片得到目标的分布和安全属性。所有的数据流都直接从OSD存储刀片到客户端。尽管商用的OSD产品还只是凤毛麟角,但是OSD技术还是在日新月异。 西捷和IBM已经展示了OSDc产品。 HP已经和开放源代码厂家 Lustre文件系统合作,使用OSD作为他的StorageWork可扩展文件系统的重要部分。
    对于对象存储来讲,不光是解决了数据存储的问题,同时它还解决了数据安全性的问题。存储通常已经依赖于客户端和私有网络的认证来保护系统的安全性,不管在文件服务器内用的是FCSAN或SCSI阵列。对象存储体系结构在每一个级别上都提供了安全性:存储系统对存储设备的认证;存储系统对计算节点的认证;存储系统对计算节点命令的认证;所有命令都经CRC的完整性检查;数据和命令经由IP的私有性。这样的安全水平能给用户以信心,他们可以用更经济高效,可管理并容易访问的网络,如以太网,作为存储的传输工具,同时还提高了整个存储体系的安全性。

产品承诺:
保 证 全新原装进口,
保 证 安全准时发货,
保 证售后服务质量,
优势价格,大量现货。

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 15天包退换 一年质保 大量现货  国内实力库存商家

Netapp SATA Disk Shelf DS14MK2 AT w14x 750GB X268A-R5

Netapp DS14MK2-AT 14x 750GB X268A-R5 SATA Disks 10.5TB-

NetApp DSX-10.5TB-R5-C DS14MK2-AT 14x X268A-R5 750GB

NetApp DS14MK2 SHLF,10.5TB SATA,-C,R5 X268A 10.5TB @@@@

NetApp DSK SHLF,10.5TB SATA,,R5 SATA DS14MK2-AT 10.5TB!

NetApp 14 x 750gb DS14MK2-AT X268A MK2AT 10.5TB shelf

NetApp DS14MK2 AT (14) X268A-R5 750GB SATA 10.5TB!!!!!

NetApp X294A-R5 2TB 7.2k SATA Hard Drive

NetApp, X299A-R5, 2TB, 7.2K, SATA, Hard Drive

NetApp DS14 MK2AT (14) X268A-R5 750GB SATA Disk 10.5TB!

NetApp DS14MK2-AT w/14x X268A-R5 750GB 10.5TB DS14MK2AT

NetApp DS14MK2-AT w/14x X268A-R5 750GB 10.5TB SATA @@@

NetApp DSX-10.5TB-QS-R​5 DS14MK2-AT 14) X268A-R5 750GB

NetApp DSX-10.5TB-R5-C DS14MK2-AT 14x X268A-R5 750GB

NetApp DS14MK2-AT 10.5TB w/ 14x 750GB 7.2K SATA HDs

NetApp DS14MK2-AT 10.5TB (14) X268A 750GB SATA Drives

NetApp DS14MK2-AT 10.5TB 14x X268A-R5 750GB SATA Drives

NetApp 14 x 750gb MK2 AT Disk Shelf – X268, X268A disks

NetApp X306A-R5 2TB 7.2K RPM 3Gb SATA HDD for DS4243

NetApp DS14MK2 AT 14x X268A-R5 750GB SATA HDs 10.5TB!!!

NetApp DS14MK2-AT 14x X268A-R5 750GB DS14MK2 AT 10.5TB
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NetApp DS14MK2 SHLF,10.5TB SATA,-C,R5 X268A-R5 10.5TB!!
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Network Appliance Netapp DS14MK2AT 14x 750GB X268A X268
QTY DISCOUNT AVAILABLE!! w/ACCESSORIES!​!!
One-day shipping available

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NetApp DS14MK2-AT 10.5TB 14 X 268A-R5 750GB SATA Drives
One-day shipping available

NetApp FAS3020 / FAS3050 – FAS3040 / FAS3070 Spares Kit

DECRU NetApp DataFort S110 NAS SCSI Security Appliance

NetApp F760 w/ DS14 (13×72 Gb) & FC9 (6×36 Gb)

NetApp X3128 NVRAM III Card 128MB SP-3128 – NEW

NetApp FAS2020 Filer Module X3249A-REF

NetApp X501 DS14 FC-AL Disk Shelf – NEW

NetApp X5712A-R6 IOM3 3Gb SAS Controler Module

NetApp DSX-7.0TB-QS-R5 2x DS14MK2-AT 28x X267A-R5 14TB!

(2) NetApp DS14MK2-AT w/14 X 267A-R5 500GB SATA 14TB!!

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2-NetApp DSX-7.0TB-QS-R5 DS14MK2-AT 500GB 14TB of Disk
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(2) NetApp DS14MK2-AT 14.0TB w/14 X267A-R5 500GB SATA

NetApp F740 Filer System Array With Cabinet VRIS38S

NETAPP FAS270 ONE Controllers 14 X 300GB FC 4.2TB

NetApp FAS960 Network Appliance Filer Head
We buy your NetApp, EMC, IBM, SUN surplus.

NetApp NetCache C3300 6 X 72GB 10K FC
We buy your NetApp, EMC, IBM, SUN surplus.

NETAPP FAS270 14 X 300GB FC ONE YEAR WARRANTY 4.2TB

NetApp X1937A-R5 PCIe, 256GB, PAM II Card
We buy your NetApp, EMC, IBM, SUN surplus.

NetApp FAS270C Filer Cluster w/ 14 X274A 144GB 10K 2TB!

NETAPP FAS3020 FILER W/ 3x DS14MK2 5TB X272 X262B X234

NetApp FAS3020 Filer DS14MK2 14x 144GB 10K X274B-R5 2TB
1 Year Warranty! Ask about Disk Shelves! WE BUY SURPLUS

Network Appliance NetApp VTL700 Virtual Tape Library

NetApp X900A-ESH2-QS-R​5-C DS14MK2 SHLFACPS14x300G​B

NetApp SP-2050B Dual Port FC-AL Controller (LC) – NEW

NetApp X2051A Dual Port FC-AL Controller Tape (LC) NEW

NetApp X2044A Dual Port FC-AL Card Op (SP-2044A) – NEW

NetApp Dual Optical X2044B Controller (SP-2044B) – NEW

NetApp SK-F760B Spares Kit for F760 Filer – NEW

NetApp SP-2051A Dual Port FC-AL Controller Tape – NEW

StoreVault S550 by NetApp iSCSI Storage Array 6TB
£2250 ex VAT,Free WW UPS Delivery, Tested

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NetApp C1105B NetCache

NetApp F840 Filer Head Unit
5 Year Next Business Day Warranty on All NetApp

NetApp DS14MK4 Shelf 14x 300GB 10K FC X276A-R5 4.2TB
We buy your NetApp, EMC, IBM, SUN surplus.

NetApp DS14MK4 Shelf w/ 14x 300GB 10K FC X276A 4.2TB
We buy your NetApp, EMC, IBM, SUN surplus.

NetApp DS14MK4 w/ 14x 300GB 10K FC X276A
We buy your NetApp, EMC, IBM, SUN surplus.

NetApp DS14MK4 w/ 4.2TB 14x 300GB 10K FC X276A
We buy your NetApp, EMC, IBM, SUN surplus.

Netapp X412A-R5 600GB 15K SAS Disk Drive for a DS4243

NetApp X500 14x72GB 10K DS14 Shelf

NetApp X3145A NVRAM V Card 512 MB – NEW

NetApp X2052A-R6 320MB, Dual Channel, PCIE, SCSI HBA

NetApp X2054A-R6 quad port 1/2/4 GBIT PCIE FC Initiator

NetApp C6200 NetCache System
We buy your NetApp, EMC, IBM, SUN surplus.

NetApp 2-Port X1008A-R6 10GbE NIC TOE FC Fiber NOB

NetApp X2054B-R6 FC-AL HBA FC 4-port PCIe 4Gb – New

Lot 25pc NetApp 500GB SATA SP-267 X267A-R5 108-00088
$160 each!! Qty available!! 1 yr Warranty!! 949-553-644
One-day shipping available

NetApp FAS270c FAS270C-UG2-BAS​E-B-R5 Dual Controllers

NetApp FAS270c FAS270C-UG2-BAS​E-B-R5 Dual Controllers

Netapp DS14MK4 X9400A-ESH4-QS-​R5 300GB 10K X276A
w/ Accessories – cables, railkit, gbics 1yr Warranty

NetApp NetCache X259A 100GB SATA HDD for C1300 SC300

Net app DS14MK4 (14) X276A 300GB 10K 4.2TB Disk Shelf
w/ Accessories – cables, railkit, gbics 1yr Warranty!!

**Special NetApp FAS940 Filer Head Unit
5 Year Next Business Day Warranty on All NetApp

NetApp FAS920 Filer Head Unit Network Appliance
5 Year Next Business Day Warranty on All NetApp

Netapp FAS2050 Filer Head No Disk Single Controller
We Buy Surplus Netapp, Cisco, Sun, HP, IBM, Dell

NetApp R150 Network Appliance R150 NearStore System

NetApp X1202 ATM OC-3 (UTP Copper)

NetApp X1033A Dual Ported FCP Adapter (SP-1033A)

NetApp X1203B OC12 ATM Optical SP-1203B

NetApp X1028A Dual Ported FCP Adapter SP-1028A

NetApp X5611A AT-FC Storage Controller Module

NetApp DS14 MK4 w/14x 144GB 15K X278A-R5 X278A **`
One-day shipping available

Netapp DS14 MK4 Disk shelf (14) 144gb 15K 4gbps 2TB
*****SELL ECS YOUR SURPLUS IT EQUIPMENT*****​***********
One-day shipping available

NetApp DS14MK4 Disk Shelf w/14x 144GB FC 15K X278A-R5
We Buy your Surplus NETAPP, SUN, DELL, HP, CISCO, IBM
One-day shipping available

NetApp DS14 MK4 w/14x 144GB 15K X278A-R5 FC 2TB DS14MK4
We Buy your Surplus NETAPP, SUN, DELL, HP, CISCO, IBM.
One-day shipping available

NetApp DS14MK4 X74015B-ESH4-QS​-R5 w/14x 144GB 15K FCAL
We Buy your Surplus NETAPP, SUN, DELL, HP, CISCO, IBM.
One-day shipping available

NetApp DS14 MK4 w/14x 144GB 15K X278A-R5 X278 2TB 4gbps
We Buy your Surplus NETAPP, SUN, DELL, HP, CISCO, IBM.
One-day shipping available

NetApp DS14 MK4 W/14x 144GB 15K X278A X278A-R5 15K FCAL
One-day shipping available

NetApp DS14MK4 X74015B-ESH4-R5​-C W/14x 144GB 15K FCAL
One-day shipping available

NetApp DS14MK4 X74015B-ESH4-QS​-R5 w/14x 144GB 15K FCAL
One-day shipping available

NetApp DS14MK4 SHLF,AC,14x144G​B,15K,B,ESH4,QS​,R5
One-day shipping available

NetApp DS14MK4 SHLF,AC,14x144G​B,15K,B,ESH4,-C​,R5
One-day shipping available

NetApp DS14MK4 Disk Shelf w/14x 144GB FC 15K X278A-R5
One-day shipping available

NetApp DS14MK4 Disk Shelf w/14x 144GB 15K FCAL Disk
One-day shipping available

NetApp DS14MK4 Disk Shelf w/14x 144GB 15K FCAL 2.106TB
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NetApp DS14MK4 X74015B-ESH4-QS​-R5 (14) 144GB 15K FC @@@
We Buy your Surplus NETAPP, SUN, DELL, HP, CISCO, IBM.
One-day shipping available

NetApp DS14 MK4 Shelf w/ 14x 144GB 15K FC X278A DS14MK4
One-day shipping available

NetApp DS14 MK4 w/14x 144GB 15K X278A-R5 X278A DS14MK4
One-day shipping available

NetApp DS14MK4 w/14x 144GB 15K 2.106TB! DS14 MK4 X278A
One-day shipping available

Network Appliance NETAPP DS14MK4 W/14 X 144GB 15K HD,
One-day shipping available

NetApp DS14MK4 Disk Shelf w/14x 144GB 15K FCAL 2TB ~~
One-day shipping available

NetApp DS14MK4 SHLF,AC,14x144G​B,15K,B,ESH4,-C​,R5 ~~
One-day shipping available

NetApp X306A-R5 X306A R5 2TB 7.2K RPM 3Gb SATA HDD
2 year warranty – we buy and sell networking equipment

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Netapp X290A-R5 600GB 15K SAS Hard Drive

NetApp X292A-R5 600GB FC 15K RPM Hard Disk Drive

NetApp X550 DS14mk2 FC-AL Disk Shelf Base 2 PS NEW

Lot 5pcs Netapp X269A-R5 SP-269A-R5 108-00180 1TB SATA
$740 each!! 1 Year Warranty!! Full Shelves available!!!
One-day shipping available

NetApp X411A-R5 450GB 15K SAS HD for DS4243 Disk Shelf

NetApp SK-F820B Spares Kit for F820 Filer

Lot 10 NetApp X268A-R5 SP-268A-R5 750GB SATA 108-00149
$360 each!! QTY Available!! 1yr WARRANTY!! 949-553-6444
One-day shipping available

NetApp DS14 mk2 with 14x 300Gb 10K +ESH

NetApp DS14MK2-AT 14x500GB Network Storage 7TB
Includes 1-Year Warranty+Emerg​entSX Value Added Service

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NetApp FAS270c FAS270-270C Head2 R5 Dual Controllers

NetApp FAS270c Filer No Disk Dual Controllers FAS270

NetApp DS14MK2 14 X 300GB 10K FC X276A-R5
We buy your NetApp, EMC, IBM, SUN surplus.

NetApp DS14 MK2 Fiber Storage Shelf 14 x 300GB 4TB X276
We buy your NetApp, EMC, IBM, SUN surplus.

NetApp DS14MK2 14x 300GB 10K FC X276A-R5 4.2TB
We buy your NetApp, EMC, IBM, SUN surplus.

NetApp DS14MK2 Shelf 14x 300GB 10K FC X276A-R5 4.2TB
We buy your NetApp, EMC, IBM, SUN surplus.

NetApp DS14MK2 Shelf w/ 14x 300GB 10K FC X276A 4.2TB
We buy your NetApp, EMC, IBM, SUN surplus.

NetApp X3945-R5 Motherboard No Memory FAS3020 ,R5 New

NetApp FAS2050 Controller NetApp X3248A 111-00238

NetApp FAS2050 Controller NetApp X3248A-R5

NetApp FAS3050 Filer – Ontap licenses also available

NetApp 14 x 144GB 15K rpm MK2 disk shelf, X278A disks

NetApp FAS3050 Filer Head

NetApp FAS270 Filer Head w/14 X274A 144GB 10K FCAL

NetApp FAS270 Filer Head w/14 X274A 144GB 10K FCAL

NetApp FAS940 w/2x DS14 MK2 14x 144GB 10K X274B-R5

NetApp FAS940 Filer w/2x DS14MK2 14x 144GB 10K X274B-R5

NetApp FAS940 Filer w/2x DS14MK2 14x 144GB 10K X274A

NetApp SK-F740B F740 Spares Kit – NEW Network Appliance

NetApp F760 Cluster (F760c) w/ (2) FC9 7 x 36GB
5 Year Next Business Day Warranty on All NetApp

NetApp X3146A-R5 NVRAM Card

NetApp 114-00014 Hot-Swap 650 Watt DC Power Supply

NetApp X500 14x36GB 10K DS14 Shelf Network Appliance

NetApp X1201B ATM OC-3 LANE – NEW

NETAPP X287A-6PK-R5 Disk Drives,6Pack,30​0GB,15k,SAS,R5
One-day shipping available

NETAPP X287A-R5 6-Pack 300GB 15K SAS Disk Drives
One-day shipping available

NETAPP X287A-6PK-R5 Disk Drives,6Pack,30​0GB,15k,SAS,R5
One-day shipping available

NETAPP X287A-R5 6-Pack 300GB 15K SAS Disk Drives
One-day shipping available

NetApp FAS3020c Network Appliance Filer Head 2.8GHz

NetApp X500 DS14 FC-AL Disk Shelf Base with (2) PS

NetApp X550 DS14mk2 FC-AL Disk Shelf Base 2 PS

NETAPP FAS3020 Filer Head 2x DC Power Supply FAS 3020 *
1 Year Warranty! Ask about Disk Shelves! WE BUY SURPLUS

NetApp F630 Filer Head Unit
5 Year Next Business Day Warranty on All NetApp

NetApp F810 Filer Head Unit

NetApp 14 x 300gb DS14 MK2 Shelf – X276, X276A disks

NetApp 14 x 500gb MK2 AT Disk Shelf – X267, X267A disks

Qty 20 NETAPP 300GB 10K X276A FC for DS14MK2 DS14MK4
$160 per drive!!! 1 Year Warranty!!! Full shelves avail
One-day shipping available

Qty 1 NetApp DS14MK2-AT DSX-7.0TB-R5-C 500GB SATA 7TB
Includes 1-Year Warranty

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NetApp X1131A-R6 HBA 2-Port 8Gb PCIe FCP Target Card

NetApp X410A-R5 300GB 15k R5 SAS Hard Drive

NetApp X268A-R5 750GB 7200 Disk for DS14 MK2 AT – NEW

NetApp X289A-R5 450GB 15k SAS Internal Hard Drive

NetApp 2TB DS14 mk2 w/ 14 X275 A 144GB 15K RPM HDD ESH2

NetApp FAS250 Network Appliance Filer W/ 2TB 14 x X274
We buy your NetApp, EMC, IBM, SUN surplus.

NETAPP DS14MK4 W/14 X 144GB 15K HD (x278a)
16 SHELVES AVAILABLE

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NetApp DS14mk2 AT Shelf w/ X267A-R5 X267A-R5 500GB SATA
90 day warranty

NetApp V-Series V3020c Filers 4 X 2GB FC

NetApp DS14MK4 with 14 X278A 15K 144GB drives.
We buy your NetApp, EMC, IBM, SUN surplus.

NetApp (14) X278A 15K 144GB DS14MK4
We buy your NetApp, EMC, IBM, SUN surplus.

NetApp 14 X278A 15K 144GB DS14MK4
We buy your NetApp, EMC, IBM, SUN surplus.

NetApp Hard drives 14 X278A 15K 144GB DS14MK4
We buy your NetApp, EMC, IBM, SUN surplus.

NetApp FAS980 Filer Head Network Appliance FAS 980
1 Year Warranty! Ask about Disk Shelves! WE BUY SURPLUS

NetApp FAS980 Filer Head Network Appliance FAS 980

NetApp X700B-ESH2-R5-C DS14MK2 SHLF ACPS 14x144GB

NetApp FAS980 Network Storage Filer Head 2x 2.7Ghz/6GB

NetApp X700AC DS14MK2 W/AC/PSU 14x144GB HD

NetApp FAS3020c iSCSI Filer Header

NetApp Network Appliance FAS960c Filer Unit System

NetApp SK-F810 Spares Kit for F810 Filer

NetApp X2044B FC-AL Card Dual Port Optical (SP-2044B)

NetApp X2044A FC-AL Card Dual Port Op (SC) (SP-2044A)

NetApp X2045A FC-AL Card Dual Port Optical (SP-2045A)

NetApp X2045B FC-AL Card Dual Port Optical (SP-2045B)

NetApp X3760B F760 Motherboard – NEW

NetApp FAS920 / FAS940 / FAS960 / FAS980 Filer Kit

NetApp X291A-R5 450GB FC Fibre Channel 15K Hard Drive

NetApp X289A-R5 450GB 15k SAS Internal Hard Drive

NetApp X3140A NVRAM IV Card w/ 256MB SP-3140A – NEW

NetApp X1922A FC VI Cluster Card Optical SP-1922A – NEW

NetApp X1925A Infiniband Cluster Adapter SP-1925A – NEW

NetApp X2040B QLA2200G FC-AL Fiber Channel HBA SP-2040B
One-day shipping available

NETAPP DS14 MK2 AT 14 X 500GB SATA TO FC (2) AT-FCX

NetApp DS14MK2 14 X 300GB 10K FC 2 X ESH2 1 YEAR WAR

NetApp X1125D Gigabit Ethernet Controller (SP-1125D)

NetApp X279A-R5 300GB 15K RPM Disk for DS14 MK2 – NEW

NetApp F880 X3135 NVRAM III 128MB Cache Card 110-02087
One-day shipping available

NETAPP FAS3050 Filer Head Supports DS14 MK2 MK2-AT MK4
$$$$$ WE BUY BACK YOUR SURPLUS / RETIRED EQUIPMENT $$$$

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NETAPP FAS3050 Filer Head Network Appliance FAS 3050

NetApp DS14MK2 14 X 300GB 10K FC 2 X ESH2 X276A

NetApp R200 NearStore Head Unit 6GB 2X2.4GHz XEON

NetApp FAS3020 Filer with DK14MK2 (14 X 500 GB HDD)

NetApp X3129 NVRAM III Card 64MB for F85 SP-3129

NetApp C1100A NetCache C1100 1 x 9GB – NEW

NetApp X680DC FC9 FC-AL Disk Shelf

NetApp X748A DC Power Supply

Netapp Filer FAS3020 1 Yr Warranty Network Appliance

Netapp FAS3020 Filer Head 1 YEAR WARRANTY
We Buy your Surplus NETAPP, SUN, DELL, HP, CISCO, IBM.

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NETAPP FAS3020 Filer Head Network Appliance FAS 3020
1 Year Warranty! Ask about Disk Shelves! WE BUY SURPLUS

NetApp DS14mk2 AT Shelf w/ X267A-R5 500GB SATA
We buy your NetApp, EMC, IBM, SUN surplus.

NetApp F820 Filer Head Unit
5 Year Next Business Day Warranty on All NetApp

NetApp F85 Filer Network Appliance
5 Year Next Business Day Warranty on All NetApp

NetApp DS14MK4 Disk Shelf w/ 14x 144GB 15K FC X278A qty

NetApp DS14mk2 AT Shelf 14 x X267A-R5 500GB SATA Drives
We buy your NetApp, EMC, IBM, SUN surplus.

NetApp (14) X267A-R5 500GB SATA DS14mk2 AT Shelf
We buy your NetApp, EMC, IBM, SUN surplus.

NetApp DS14mk2 (14) X267A-R5 500GB SATA AT

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。