DS3800NADA1F1F

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描述

DS3800NADA1F1F

 PLC已经普及到各行各业,几乎每个企业都在使用PLC,PLC控制系统的维护已经成为电工的日常工作。

    PLC本身几乎不会出现什么问题,系统中的故障一般都出在PLC之外的传感器(例如限位开关和接近开关等)和执行机构(例如接触器和电磁阀)上。外部故障的维修一般只需要PLC的外部接线图和了解PLC的基础知识。从这个意义上说,PLC控制系统的维修与继电器控制系统的维修差不多,甚至还要简单和方便一些。PLC模块上的LED(发光二极管)用来指示各开关量输入/输出点对应的ON/OFF状态,它们给故障的查找带来了很大的方便。
    PLC的程序对于比较复杂的控制系统的故障查找是很有用的,如果设备的制造商提供了程序,或者没有对程序加密,为了更好地维修系统,需要读懂PLC的程序。如果需要对现有的系统进行改造,或设计新的系统,应具备阅读和设计程序的能力。
    PLC来源于继电器控制系统,梯形图程序与继电器电路图的表示方法非常接近,PLC是专门为工厂的电气人员设计的。如果只涉及到取代继电器控制的开关量控制,一般仅需要二三十条基本逻辑指令,这类程序的阅读、修改和设计的难度都不大。实践证明。即使文化程度不高,如果对继电器电路化比较熟悉,经过努力,是能阅读和设计较简单的开关量控制系统的梯形图程序的。
    阅读或设计复杂的控制系统的程序需要了解计算机的基础知识,掌握PLC数量众多的应用指令、各种硬件模块的使用方法、网络通信和模拟量闭环控制等相关领域的知识。如果没有系统的专业知识,阅读和设计这类系统的程序是比较困难的。

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
Triconex Siemens Yaskawa ABB GE Ovation AB Foxboro Motorola Schneider XYCOM KUKA
  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 FAS6070-A Cluster 25.2TB 4 MK4s 56 450GB 15k FC

NetApp FAS6030-A 24.2TB Cluster w/ 56 450GB 15K FC

Netapp Lot (20) DS14MK2-AT w/14x 1 TB X269A-R5 SATA

Netapp FAS6030C w/48x DS14MK2 300GB X267A-R5 201TB!!

NetApp FAS3050C 10 Transferable Licenses 168TB X269A-R5

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

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

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

NetApp FAS3020C 10 Transferable Licenses 168TB X269A-R5

Full Rack Netapp 14x DS14MK2AT 1TB X269A-R5 168TB!!

NetApp FAS3050C CIFS NFS ISCSI Multistore DSANIT X279A

Full Netapp Rack w/PDUs 14x DS14MK2-AT w/14x X269A 1TB

NetApp FAS3050C CIFS NFS ISCSI DSANIT FCP 50TB 4gbps

NetApp FAS3070C w/12x DS14MK2-AT 14x 1TB X269A-R5 168TB

Netapp FAS6070 w/12x DS14MK2-AT 1TB X269A-R5 168TB!!!!!

Netapp FAS6030C 24x DS14MK2AT 750GB X268A 252TB FAS6030

Netapp FAS6030C w/48x DS14MK2-AT 500GB 336TB!!! FAS6030

NetApp FAS3050C w/12x DS14MK2-AT (14) X269A-R5 1TB Disk

Netapp FAS6030 w/12x DS14MK2-AT 1TB X269A-R5 168TB!!!!

NetApp FAS3020C w/12x DS14MK2-AT (14) X269A-R5 1TB Disk

Netapp FAS3140 w/9x DS4243 (24) X302A-R5 216TB SATA!!!!

NetApp DS4243-0748-24A​-QS-R5 48TB DS4243 Disk Shelf

NetApp FAS6070 Filer System Head Refurbished

Netapp Lot (10) DS14MK2-AT w/14x 1 TB X269A-R5 SATA

Netapp FAS6030C 24x DS14MK2 300GB X276A 100TB FAS6030

NetApp FAS3070-A Cluster 17TB 112x 144GB FC 10K REF

NetApp DS4243 Shelf w/ (24) X411A-R5 450GB 15K SAS HDs

NetApp FAS3050C 10 Transferable Licenses MK4 24TB 15K!!

NetApp FAS3020C 10 Transferable Licenses 24TB MK4 X278A

NetApp FAS3050C 10 Transferable Licenses 24TB MK4 X278A

NetApp FAS3050C CIFS NFS ISCSI CLUSTER 24TB DS14MK4

NetApp FAS3070-A Cluster 28TB 56 500GB SATA 7.2K

NetApp FAS3020C 6 Transferable Licenses 24TB X278A MK4

Netapp FAS3020C 6 Transferable Licenses 24TB!! DS14MK4

NetApp FAS3020C 6 Transferable Licenses 24TB MK4 4gbps

NetApp FAS3020C 6 Transferable Licenses 24TB X278A MK4

NetApp FAS3050C NFS ISCSI Flexclone Cluster 24TB X278A

Netapp FAS3050C NFS ISCSI Flexclone Cluster 24TB 4gbps

NetApp FAS3050C 6 Transferable Licenses 24TB MK4 X278A

NetApp FAS3050C NFS ISCSI Flexclone Cluster 24TB X278A

NetApp FAS3020C 4 Transferable Licenses 24TB DS14MK4 _

NetApp FAS3020C 4 Transferable Licenses 24TB MK4 X278A

NetApp FAS3020C 4 Transferable Licenses 24TB MK4 X278A

NetApp FAS3050C Transferable Licenses w/24TB MK4 X278A

Netapp FAS6030C w/24x DS14MK2-AT 500GB 168TB!!! FAS6030

Netapp FAS3070C 12x DSX-10.5TB-QS-R​5 126TB!! FAS3070

NetApp FAS3070C w/12x DS14MK2-AT 750GB X268A-R5 126TB!!

NETAPP FAS3050 6x DS14MK4 300GB 15K X279A-R5 25TB @@@@

NetApp FAS3050C 7 Transferable Licenses 24TB MK4 X278A

NetApp FAS3020C w/10 Transferable Licenses 84TB!! X267A

NetApp FAS3050C w/10 Transferable Licenses 84TB!! X267A

NetApp FAS3050C CIFS NFS ISCSI SV-ontap-PRI 84TB!!!

NetApp FAS3020-HA-C 42TB System w/ 84x 500GB SATA

Netapp FAS6070 w/12x DS14MK2-AT 750GB X268A-R5 126TB!!

NetApp FAS3050c NFS ISCSI CLUSTER FCP DSX-7.0TB-QS-R5

NetApp FAS3050c 12x DSX-7.0TB-QS-R5 84TB!! w/ LICENSES

NetApp FAS3050c 12x DS14MK2-AT X267A 84TB! w/ LICENSES

NetApp FAS3050c 12x DS14MK2 AT X267A 84TB! w/ LICENSES

NetApp FAS3050c NFS, ISCSI, CLUSTER, FCP 84TB of Disk!!

NetApp FAS3050c w/ NFS, ISCSI, CLUSTER, FCP w/84TB!!!

NetApp FAS3050c Transferable Licenses 84TB! 168x X267A

NetApp FAS3050c 12 DS14MK2-AT X267A-R5 84.0TB TOTAL!!!!

NetApp FAS3050c w/Licenses 12 DS14MK2-AT 500GB X267A-R5

NetApp FAS3050c Transfble Licenses 12x DSX-7.0TB-QS-R5

NetApp FAS3050c 12x DSX-7.0TB-QS-R5 84.0TB STORAGE!!

NetApp FAS3050c DSX-7.0TB-PBNDL​-R5 84.0 TERABYTES!!!!!

NetApp FAS3050c 12x DS14MK2-AT 168x 500GB SATA 84.0TB!

NetApp FAS3050c 12x DS14MK2AT X267A 84TB w/ LICENSES

Lot 100pcs Netapp X269A-R5 SP-269A-R5 108-00180 1TB

Netapp FAS6030 w/12x DS14MK2-AT 750GB X268A-R5 126TB!!

Netapp FAS6030C 24x DS14MK2 144GB 15K X275 48TB FAS6030

NetApp FAS3040C W/4 Transferable Licenses & 50TB of FC

NetApp FAS3040C ISCSI FCP CLUSTER SV-ontap-PRI 50TB FC

NetApp FAS3040C W/4 Transferable Licenses w/84TB SATA

NetApp FAS3040C 4 Transferable Licenses 24TB 4gpbs 15K

NetApp FAS3040C 4 Transferable Licenses 24TB FAS3040

NetApp FAS3020C 6 Transferable Licenses 84TB X267A Disk

NetApp FAS3050C CIFS NFS ISCSI SNAP MIRROR SNAP RESTORE

NetApp FAS3050C 6 Transferable Licenses 84TB!! X267A

NetApp FAS3050C NFS ISCSI Flexclone Cluster w/84TB!!!

NetApp FAS3020C w/4 Transferable Licenses 84TB!! X267A

Qty 500 NETAPP 300GB 10K X276A FC for DS14MK2 DS14MK4

NetApp FAS3050C CIFS NFS ISCSI DSANIT FCP 50TB DS14MK2

NetApp FAS3050C w/7 Transferable Licenses & 50TB FC 10K

NetApp FAS3050C Transferable Licenses 84TB X267A Disk

NetApp DS4243 Shelf w/ (24) X410A-R5 300GB 15K SAS HDs

NetApp FAS3050C 10 Transferable Licenses MK4 24TB 15K!!

Rack NetApp 14 x DS14MK4 w/14x 300GB 10K x276a -58.8TB

Rack NetApp 14 x DS14MK4 w/14x 300GB 10K -58.8TB

NetApp DS4243-0724-12A​-QS-R5 24TB DS4243 Disk Shelf

NetApp X64015A-ESH4-R5​-C DS14MK4 Shelf w/ 14 600GB HDs

NetApp FAS3020C 10 Transferable Licenses 24TB 15K X275A

NetApp FAS3050C 10 Transferable Licenses 24TB 15K X275A

NetApp FAS6030 Filer System Head Refurbished

NetApp FAS3020C 6 Transferable Licenses 24TB 15K X275A

Netapp FAS3050C CIFS CLUSTER ISCSI w/12x DS14MK2 50TB!!

Netapp Rack 14x DS14MK4 w/14x 144GB 15K X278A-R5 28.2TB

Netapp FAS3050C CIFS CLUSTER ISCSI 12x DS14MK2-AT 84TB!

Netapp Rack 14x DS14MK4 w/14x144GB 15K 4gbps X278A 28TB

Netapp FAS3050C CIFS CLUSTER ISCSI 12x DS14MK4 24TB 15K

Netapp Rack 14x DS14MK4 w/14x144GB 15K 4gbps X278A-R5 @

NetApp FAS3050C w/9 Transferable Licenses & 84TB SATA

NetApp FAS3050C CIFS NFS ISCSI SNAP MIRROR SNAP RESTORE

NetApp FAS3050C 6 Transferable Licenses 24TB 15K X275A

Netapp FAS3020C 6 Transferable Licenses 24TB DS14 MK4 @

NetApp FAS3020 42TB System 6x DS14 MK2 AT w/ 14x 500GB

NetApp DS4243 Shelf w/ (24) X302A-R5 1TB 7.5K SATA HDs

NetApp FAS3020C 4 Transferable Licenses 24TB 15K X275A

NetApp FAS3050C w/7 Transferable Licenses & 84TB SATA

NetApp FAS3050C Transferable Licenses w/24TB 15K X275A

NetApp FAS3020C 4 Transferable License 24TB MK4 X278A @

Netapp FAS3140 Filer w/3x DS4243 w/24x 1TB X302A-R5

Netapp FAS3140 with 72TB of Disk 3x DS4243 (24) X302A

NetApp FAS980c w/10x DS14MK2 14x 300GB 10K X276A

NetApp NetCache C3300 6x 144GB HD w/ DS14MK2 14x 144GB

Netapp Lot (5) DS14MK2-AT w/14x 1 TB X269A-R5 SATA

NetApp FAS3050C CIFS ISCSI CLUSTER MULTISTORE 24TB 15K

Network Appliance NETAPP FAS3040C with 8 Licenses

Dell, NetApp DS14MK2-AT FAS 3050 Storage System 56TB

Netapp FAS6070 HARDWARE ONLY

NetApp FAS940c w/10x DS14MK4 14x 144GB 15K X278A-R5

NetApp FAS3050C NFS ISCSI Flexclone Cluster w/24TB 15K

Netapp FAS6070 w/12x DS14MK4 144GB 15K X278A-R5 24TB!!

Netapp FAS6070 w/12x DS14MK2 300GB 10K X276A-R5 50TB

NetApp FAS3020C 10 Transferable Licenses 24TB 10K X274B

NetApp FAS3050C 10 Transferable Licenses 24TB 10K X274B

NetApp FAS3050C CIFS NFS ISCSI SNAP MOVE CLUSTER 24TB

Lot of 20 Netapp DS14 MK2 w/14x 300GB 10K X276A 84TB!!

Qty 20 Netapp DS14 MK2 w/14x 300GB 10K X276A 84TB!!

Netapp FAS3070C 12x DSX-7.0TB-QS-R5 84TB!! FAS3070

NetApp FAS3070C w/12x DS14MK2AT 500GB X267A-R5 84TB!!

NetApp FAS3070C w/12x DS14MK2 144GB X275A-R5 15K 24TB!!

Netapp FAS6030 w/12x DS14MK2 300GB 10K X276A-R5 50TB

Netapp FAS6030 w/12x DS14MK4 144GB 15K X278A-R5 24TB!!

NetApp FAS3020C 6 Transferable Licenses 12x MK2 24TB!!

NetApp FAS3020C 6 Transferable Licenses 24TB 10K X274B

Netapp FAS3020 6x DS14MK4 24TB Transferable Licenses

NetApp FAS3020C 6 Transferable Licenses 24TB 10K X274B

NetApp NetCache C3300 w/ (6) 144GB Disk Drives

NetApp FAS980C w/10x DS14MK2 14x 144GB 15K X275A-R5

NetApp DS4243 12TB Shelf w/ 24x X310A-R5 500GB SATA HDs

NetApp Rack: 4x DS14 MK4 w/ 56 X279 A R5 300gb 15k HD

NetApp FAS3050C NFS CIFS ISCI CLUSTER DSANIT FCP ONTAP

NetApp FAS3050C 7 Transferable Licenses 12x MK2 24TB!!

Qty 20 Netapp DS14MK2-AT 14x 500GB X267A-R5 SATA 140TB!

Qty 20 Netapp DS14MK2-AT 14x 500GB X267A SATA 140TB!!!

Netapp FAS6070 w/12x DS14MK2-AT 500GB X267A-R5 84TB!!

Netapp FAS3020 w/Transferable Licenses CIFS ISCSI 25TB!

Netapp FAS3050C 6 Transferable Licenses with 24TB 10K!!

NetApp FAS3050C 6 Transferable Licenses 24TB 10K X274B

NetApp FAS3050C 6 Transferable Licenses 24TB 10K 144GB

NetApp FAS3050C 6 Transferable Licenses 24TB 10K X274B
NFS ISCSI Snap Restore SV-ontap-PRI Flexclone Cluster

NetApp FAS3050C Cluster NFS ISCI Snap Restore Flexclone

Netapp FAS3020 CIFS ISCSI 2x DS14MK2-AT X269A-R5 28TB!!

NETAPP FAS940c w/10x DS14MK2 14x 144GB 15K X275A-R5

NetApp FAS3020C 4 Transferable Licenses 24TB 10K X274B

NetApp FAS3020C NFS CIFS ISCI CLUSTER + More w/24TB FC

Netapp FAS3050C CIFS CLUSTER ISCSI w/12x DS14MK2 24TB!!

NetApp FAS3020C NFS CIFS ISCI CLUSTER SNAP MIRROR +24TB

Netapp FAS6030 w/12x DS14MK2-AT 500GB X267A-R5 84TB!!

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。