HP 3310A

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描述

HP 3310A

高可靠性是电气控制设备的关键性能。PLC由于采用现代大规模集成电路技术，采用严格的生产工艺制造，内部电路采取了先进的抗干扰技术，具有很高的可靠性。例如三菱公司生产的F系列PLC平均无故障时间高达30万小时。一些使用冗余CPU的PLC的平均无故障工作时间则更长。从PLC的机外电路来说，使用PLC构成控制系统，和同等规模的继电接触器系统相比，电气接线及开关接点已减少到数百甚至数千分之一，故障也就大大降低。此外，PLC带有硬件故障自我检测功能，出现故障时可及时发出警报信息。在应用软件中，应用者还可以编入外围器件的故障自诊断程序，使系统中除PLC以外的电路及设备也获得故障自诊断保护。这样，整个系统具有极高的可靠性也就不奇怪了。PLC发展到今天，已经形成了大、中、小各种规模的系列化产品。可以用于各种规模的工业控制场合。除了逻辑处理功能以外，现代PLC大多具有完善的数据运算能力，可用于各种数字控制领域。近年来PLC的功能单元大量涌现，使PLC渗透到了位置控制、温度控制、CNC等各种工业控制中。加上PLC通信能力的增强及人机界面技术的发展，使用PLC组成各种控制系统变得非常容易。PLC作为通用工业控制计算机，是面向工矿企业的工控设备。它接口容易，编程语言易于为工程技术人员接受。梯形图语言的图形符号与表达方式和继电器电路图相当接近，只用PLC的少量开关量逻辑控制指令就可以方便地实现继电器电路的功能。为不熟悉电子电路、不懂计算机原理和汇编语言的人使用计算机从事工业控制打开了方便之门。PLC用存储逻辑代替接线逻辑，大大减少了控制设备外部的接线，使控制系统设计及建造的周期大为缩短，同时维护也变得容易起来。更重要的是使同一设备经过改变程序改变生产过程成为可能。这很适合多品种、小批量的生产场合。以超小型PLC为例，新近出产的品种底部尺寸小于100mm，重量小于150g，功耗仅数瓦。由于体积小很容易装入机械内部，是实现机电一体化的理想控制设备。

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NEW 20-Pack Netapp X298A-R5 1TB SATA FAS2050 2020 2040

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NetApp DS14MK4 2TB w/ 14x 144GB FC 15k X278A HDs

NetApp FAS980 Filer w/4x DS14MK2-AT 14x 500GB 28TB!!

NetApp FAS980 Filer w/4x DS14MK2-AT 14x 500GB 28TB!!

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NetApp Compatible DSX-14.0TB-R5 SATA Shelf with AT-FCX

NetApp Compatible DS14Mk2-AT SATA Shelf AT-FCX 14x1TB

Network Appliance NETAPP DS14MK4 SHELVES,14 per CABINET

NetApp F880 R100 X3880C System Board VII C0 – 110-02460

NetApp FAS940c w/10x DS14MK2 14x 144GB 10K X274A 20TB!

NetApp X268A-R5 SP-268A-R5 750GB SATA 108-00149

NetApp V-Series GF980c GF980 NAS w/ ONTAP License

Netapp FAS3020 CIFS ISCSI 2x DS14MK2 X276A-R5 300GB 8TB

NetApp FAS2050 Filer 20 X X287A-R5 300GB 15K SAS

NetApp FAS960 Filer w/4x DS14MK2 14x X275A-R5 8TB!!!!!

NetApp FAS3050 Filer w/2x DS14MK4 14 144GB 15K X278A-R5

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NetApp FAS3050c Filer w/2 DS14MK2-AT 14x 750GB X268A-R5

NetApp FAS3050c Filer 2x DS14MK2-AT (14) 750GB X268A-R5

Netapp DS4243 Disk Shelf (24) X302A-R5 1TB SATA Drives

Network Appliance Netapp DS4243 w/24x 1TB X302A-R5 SATA

Netapp DS4243 SATA Disk Shelf 24x 1TB X302A-R5 24TB!!!

Netapp DS4243-0724-24A​-R5-C DS4243 w/24x 1TB X302A-R5

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Netapp DS4243-0724-24A​-QS-R5 DS4243 24x 1TB SATA X302A

Netapp DSK SHLF,24×1.0TB,7​.2K,SATA,IOM3,Q​S,R5 DS4243

NetApp FAS2050 Filer System 13 x 750GB X283B-R5 9.75TB

NetApp SPR Motherboard Enclosure 6080 R5 X3942-R5

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NETAPP FAS3050 6x DS14MK2 144GB 15K X275A-R5 12TB RAW!

NetApp FAS270C base Filer

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NetApp SK-FAS920 Spares Kit for FAS920 Filer – NEW

NetApp SK-FAS940 Spares Kit for FAS940 Filer – NEW

Netapp FAS2050C 20x X287A-R5 300GB 15K Dual Controller

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NetApp Compatible DSX-10.5TB-R5 SATA Shelf with AT-FCX

NetApp Compatible DS14Mk2-AT SATA Shelf AT-FCX 14x750GB

NetApp FAS940 Filer w/4x DS14MK2 14x 144GB 15K X275A-R5

NetApp SK-F840C Spares Kit for F840 Filer – NEW

NetApp SK-F840B Spares Kit for F840 Filer – NEW

Qty 100 NETAPP 300GB 10K X276A FC for DS14MK2 DS14MK4

Lot 100pcs NETAPP 300GB 10K X276A FC Disks SP-276A

NetApp NetCache C2100 Base Unit

Lot 20pc Netapp X269A-R5 SP-269A-R5 108-00180 1TB SATA

NETAPP FAS3020 6x DS14MK2 144GB 15K X275A-R5 12TB RAW!

NetApp DS14MK4 SHLF,14x 600GB,15K,ESH4,​QS,R5,New no box

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NetApp FAS270 w/14 X276A 300GB 6 Transferable Licenses

Netapp FAS3070 w/2x DS14MK4 X278A-R5 144GB 15K 4gpbs

Netapp FAS3070 w/2x DS14MK2 X276A-R5 300GB 10K 8.4TB

NetApp DS14mk4 Shelf w/14 x X291A 450GB 15K Drives

NetApp FAS980 Filer w/4x DS14MK2 14x 144GB 15K 8TB!!!

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NetApp FAS2020C 12 X 1TB SATA X298A-R5 FAS2020

NetApp 14 x 450gb DS14 MK4 Shelf – X291 X291A disks

Netapp FAS3070-BASE-R5​-C (2) Clustered Filer Heads

**SPECIAL NetApp FAS3020 Filer Head FAS3020-BASE1G-​R5-C

NetApp FAS3050c Filer 2x DS14MK2-AT 14x 500GB X267A-R5_

NetApp FAS3070 Filer w/2x DS14MK2-AT 14x 500GB X267A-R5

NETAPP FAS3070C Cluster (2) Filer Heads FAS3070
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NetApp FAS3050c Filer w/2 DS14MK2-AT 14x 500GB X267A-R5

NetApp FAS980 Filer w/2x DS14MK2-AT 14x X268A-R5 21TB!

Netapp FAS2050-20-X287​A-R5 FAS2050 20x 300GB 15K SAS

NetApp FAS3050 Filer 2x DS14MK2-AT (14) 750GB X268A

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NETAPP FAS3020 w/6x DS14MK2 144GB 10K X274B-R5 12TB!!!

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Network Appliance NETAPP FAS3020 W/ NFS, CIFS, ISCSI

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NetApp FAS3050c Cluster Filer w/2 DS14MK2-AT 14x 500GB

Netapp X54015A-ESH4-QS​-R5 DS14MK4 X291A 450GB 15K 6.3TB

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NetApp DS14 MK4 14x 450GB 15K X291A-R5 4.2TB 4gpbs

NetApp SK-FAS940 Spares Kit for FAS940 System

Network Appliance NETAPP FAS2020 w/CFS,NIFS,ISCS​I!!

NetApp FAS2020C 12 X X287A-R5 300GB 15K SAS FAS2020

Network Appliance NETAPP FAS940 w/TRANSFERABLE LICENSES

Rack NetApp 8x DS14MK2 w/14x 144GB 10K X274A 16.1TB!

(4) NetApp DSX-7.0TB-QS-R5 DS14MK2-AT 500GB SATA 28TB!!

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NETAPP DS14 MK2 AT 14 X 1TB SATA TO FC AT-FCX 14TB

NetApp FAS960 w/ (28) 144GB 10K 4TB Network Appliance

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NetApp DS14 MK4 (14)300GB 15K FC 2 X ESH4 4GB 1 YEAR WA

NetApp R150 Nearstore, 24TB – DataONTAP license options

Netapp FAS6030-BASE-R5​-C (2) Clustered Filer Heads 6030

Netapp FAS6030C Cluster ( 2 Heads Clustered ) FAS6030

Netapp FAS6030A Cluster Dual FAS6030 Heads

NetApp FAS980 w/2x DS14MK2 14x 300GB 10K X276A 8.4TB!!

Netapp FAS3020 CIFS ISCSI 2x DS14MK2 X274B-R5 144GB 4TB

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NetApp DS14MK2-AT Disk Shelf 14x X269A-R5 1TB SATA 14TB

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NetApp DS14MK2-AT Disk Shelf 14x X269A-R5 1TB Disks

NetApp DS14MK2-AT DSX-14.0TB-R5-C 14x 1TB X269A-R5 X269

NetApp DS14MK2-AT DSX-14.0TB-QS-R​5 14x 1TB x269a-r5

NetApp DS14MK2-AT DSK SHLF,14.0TB SATA,R5 14x 1TB Disk

NetApp DS14MK2-AT DSK SHLF,14.0TB SATA,,R5 14x 1TB Disk

NetApp DS14MK2-AT Disk Shelf DSK SHLF,14.0TB SATA,R5

NetApp DS14MK2-AT Disk Shelf 14x X269A-R5 1TB SATA X269

NetApp DS14MK2 SHLF,14.0TB SATA,-C,R5 DS14MK2-AT X269A

NetApp DS14MK2 AT Disk Shelf 14x X269A-R5 1TB SATA Disk

NetApp DS14MK2AT Shelf 14x X269A-R5 1TB SATA Disk 14TB

NetApp 14 x 1TB MK2 AT Disk Shelf – X269, X269A disks

NetApp FAS3070 Filer DS14MK2-AT 14x 500GB X267A-R5 7TB!

NEW! 12 Pack Netapp X298A-R5 1TB SATA FAS2040 FAS2050 !

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NetApp FAS3050 Filer 2x DS14MK2 14x 144GB 15K X275A-R5

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5pcs of Netapp DS14MK2AT 14x X267A 500GB SATA 35TB!!

NEW 12-Pack Netapp X298A-R5 1TB SATA FAS2020 FAS2050

NetApp FAS3050 Filer 2x DS14MK2-AT 14x 500GB X267A-R5 ~

NetApp FAS3050 Filer w/2x DS14MK2-AT 14x 500GB X267A-R5

NetApp NetCache C1200 Appliance 1U 3x 36GB HD

Netapp FAS3020 filer

Network Appliance NetApp F820C

NetApp FAS2020 Filer, 12TB. Will configure to suit

NETAPP FAS3050C Cluster Pair

NetApp DS14MK2-AT 7TB w 14 X267A 500GB 7.2K SATA HD REF

NetApp F880 w/ (28) 144GB 4TB Network Appliance

NetApp FAS250 2TB Filer System

NetApp FAS980 Filer Head Unit Network Appliance

NetApp FAS940 w/ (28) 144GB 10K 4TB Network Appliance

Netapp FAS2050-12-X287​A-R5 FAS2050 12x 300GB 15K SAS

NetApp SK-F810 Spares Kit for F810 Filer – NEW

NetApp SK-F820B Spares Kit for F820 Filer – NEW

** Special NetApp NetCache C6200-Base Unit

NetApp NetCache C1200 Appliance 1U 2x 36GB HD

NetApp FAS940 Filer w/2x DS14MK4 14x 144GB 15K X278A

NetApp X3920A Motherboard Network Appliance

NetApp X3920B Motherboard Network Appliance

NetApp X3930A FAS960 R150 R200 Motherboard

NetApp X3930B Motherboard Network Appliance

NetApp X3940A FAS980 Motherboard

NETAPP DS14MK4 w/ (14) X291A-R5 450GB 15K FC-AL

NetApp Compatible DS14Mk2 FC Disk Shelf ESH2 14 x 300GB

NetApp DS14 mk4 w/ 4.2TB ESH4 & 14x 300GB 15k X279 A R5

NetApp DS14 MK2 14 X 300GB 15K FC 2 X ESH2 2G 4.2TB

NetApp DS14mk2 AT Shelf w/ 14 X269A-R5 1TB SATA

NetApp 14 x X269A-R5 Disk Drives DS14MK2

NetApp 14 X269A-R5 1TB SATA DS14mk2 AT Shelf

NetApp DS14MK2 Hard drives 14 x X269A-R5

NetApp DS14MK2 with 14 x X269A-R5 Disk Drives

NetApp FAS3050 Filer w/ DS14MK4 14 144GB 15K X278A-R5

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

NetApp DS14 mk2 with 14x 300G 15K X279 A -R5 2x ESH2

NetApp DS14 MK4 Storage Shelf 4TB 14 X 300GB 15K X279A

Network Appliance NETAPP DS14MK4, 14 X 300GB 15K HD

Network Appliance NETAPP DS14MK4,14 X 300GB (x279a) 15K

NetApp 14 x X279A-R5 4TB w/ DS14 MK4

NetApp DS14 MK4 14 x X279A-R5 4TB w/ DS14 MK4

NetApp DS14 MK4 4TB 14 X 300GB 15K

NetApp DS14 MK4 4TB 14 X 300GB 15K X279A

NetApp DS14 MK4 4TB 14 x X279A-R5

NetApp DS14MK4 Shelf 14x 300GB 15K 4gbps X279A-R5 DS14

NetApp DS14MK4 Shelf 14x 300GB 15K 4gbps X279A-R5 MK4

Rack NetApp 14x DS14MK4 w/14x 300GB 15K X279A-R5 58.8TB

NETAPP DS14MK4 W/14 X 300GB 15K HD (x279a)

NetApp DS14MK4 Disk Shelf w/ 14x 300GB 15K FC 4.2TB

NetApp DS14MK4 14x 300GB 15K 4gb X279A-R5 4.2TB 4gbps!

Netapp Appliance DS14MK4 14x 300GB 15K X279A-R5 4gbps

NetApp DS14MK4 X94015A-ESH4-R5​-C 14x 300GB 15K 4gpbs

NetApp DS14MK4 Disk Shelf 14x 300GB 15K FC X279A-R5 4gb

NetApp DS14MK4 SHLF,AC,14x300G​B,15K,ESH4,QS,R​5

NetApp DS14MK4 X94015A-ESH4-QS​-R5 w/14x 300GB X279A-R5

NetApp DS14MK4 Disk Shelf w/ 14x 300GB 15K FC 4.2TB

NetApp DS14MK4 Shelf 14x 300GB 15K X279A 1 yr Warranty

NetApp DS14MK4 Shelf 14x 300GB 15K X279A-R5 4Gbps 4.2TB

NetApp DS14 MK4 Shelf 14x 300GB 15K FC X279A-R5 DS14MK4

NetApp DS14MK4 Shelf 14x 300GB 15K 4gbps X279A-R5 MK4

NetApp DS14MK4 X94015A-ESH4-R5​-C 14x 300GB 15K FC X279A

NetApp DS14MK4 Shelf 14x 300GB 15K 4gbps X279A-R5 MK4

NetApp DS14MK4 Shelf 14x 300GB 15K 4gbps X279A-R5 DS14

NetApp DS14 MK4 4.2TB 14x 300GB 15K FC X279A-R5 DS14MK4

NetApp DS14MK4 X94015A-ESH4-R5​-C 14x 300GB 15K FC ~

Netapp DS14MK4 14x 300GB 15K SP-279-R5 FC JBOD 4gpbs

NetApp DS14MK4 Shelf 14x 300GB 15K 4gbps X279A-R5 DS14

NetApp DS14 MK4 14x 300GB 15K X279A Fiber Channel Disk

NetApp DS14MK4 X94015A-ESH4-R5​-C 14x 300GB 15K FC X279A

NetApp DS14 MK4 14x 300GB 15K X279A-R5 4.2TB 4gpbs

NetApp FAS960 w/2x DS14MK2 14x 300GB 10K X276A 8.4TB!!

Netapp DS14 MK4 SHLF,ACPS,14×30​0GB,15K,HDD,ESH​4,-C,R5 `

NetApp DS14MK4 SHLF,ACPS,14×30​0GB,15K,HDD,ESH​4,-C,R5 “

NetApp DS14MK4 SHLF,AC,14x300G​B,15K,ESH4,QS,R​5 @@@@

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NetApp DS14MK4 Shelf 14x 300GB 15K X279A 1 yr Warranty

NetApp DS14MK4 X94015A-ESH4-QS​-R5 w/14x 300GB X279A-R5

NetApp DS14MK4 X94015A-ESH4-R5​-C 14x 300GB X279A-R5

NetApp DS14MK4 SHLF,AC,14x300G​B,15K,ESH4,QS,R​5

NetApp DS14MK4 Disk Shelf w/ 14x 300GB 15K FC 4.2TB

NetApp DS14 MK4 Shelf w/ 14x 300GB 15K FC X279A DS14MK4

NetApp DS14MK4 X94015A-ESH4-QS​-R5 w/14x 300GB 15K FCAL

NetApp DS14MK4 X94015A-ESH4-R5​-C 14x 300GB X279A-R5

NetApp DS14MK4 X94015A-ESH4-R5​-C 14x 300GB 15K FC Disks

NetApp DS14 MK4 Shelf w/ 14x 300GB 15K FC X279A DS14MK4

NetApp DS14MK4 X94015A-ESH4-QS​-R5 w/4.2Tb X279A-R5 15K

NetApp FAS940 Filer w/2x DS14MK2 14x 300GB 10K X276A

NetApp FAS940 w/2x DS14MK2 14x 300GB 10K X276A 8.4TB!!

NetApp SK-FAS980 Spares Kit for FAS980 System

NetApp 14TB DS14MK2-A-14.0T​B Shelf W/ 14x 1TB X269A-R5

NetApp C1200 NetCache C1200-Base 1U

NetApp F880 Filer Head Unit Network Appliance Net App

NetApp X3880C F880/R100 Motherboard Network Appliance

Lot 25 NetApp X268A-R5 SP-268A-R5 750GB SATA 108-00149

NetApp FAS3070 Filer – Ontap licenses also available

NetApp SK-F880 Spares Kit for F880 Filer

NetApp DS14MK2 AT shelf + 14x 1TB X269A + 2x AT-FCX

NetApp FAS270c Network Appliance Filer w/ 4TB 14 X X276

NetApp FAS6030 Filer System Head

NetApp DS14MK4 Disk Shelf w/ 14x 300GB 15K FC X279A MK4

NetApp FAS940 Filer w/2x DS14MK2-AT 14x 500GB 14TB!!!!

NetApp F840 w/ (14) 144GB 2TB Network Appliance NetApps

NetApp FAS270 Filer

NetApp FAS960 Filer w/2x DS14MK2-AT 14x 500GB 14TB!!!!

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NetApp C6100 NetCache Network Appliance Net App NetApps

NetApp C6100 NetCache

NetApp FAS940 Filer w/2x DS14MK2 14x 144GB 15K X275A

Lot 50pc NetApp 500GB SATA SP-267 X267A-R5 108-00088

NetApp FAS3020 Filer DS14MK2-AT 14x 750GB X268A-R5

NetApp FAS3020 Filer w/ DS14MK2-AT 14x 750GB X268A-R5

NetApp 14 x 1TB SATA Shelf X269A disks / N-Series Bezel

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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。

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