PXI-8186

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描述

PXI-8186

为了确保整个系统能在安全状态下可靠工作，避免由于外部电源发生故障、PLC出现异常、误操作以及误输出造成的重大经济损失和人身伤亡事故，PLC外部应安装必要的保护电路。

    （1）急停电路。对于能使用户造成伤害的危险负载，除了在控制程序中加以考虑之外，还应设计外部紧急停车电路，使得PLC发生故障时，能将引起伤害的负载电源可靠切断。
    （2）保护电路。正反向运转等可逆操作的控制系统，要设置外部电器互锁保护；往复运行及升降移动的控制系统，要设置外部限位保护电路。
    （3）可编程控制器有监视定时器等自检功能，检查出异常时，输出全部关闭。但当可编程控制器CPU故障时就不能控制输出，因此，对于能使用户造成伤害的危险负载，为确保设备在安全状态下运行，需设计外电路加以防护。
    （4）电源过负荷的防护。如果PLC电源发生故障，中断时间少于10秒，PLC工作不受影响，若电源中断超过10秒或电源下降超过允许值，则PLC停止工作，所有的输出点均同时断开；当电源恢复时，若RUN输入接通，则操作自动进行。因此，对一些易过负载的输入设备应设置必要的限流保护电路。
    （5）重大故障的报警及防护。对于易发生重大事故的场所，为了确保控制系统在重大事故发生时仍可靠的报警及防护，应将与重大故障有联系的信号通过外电路输出，以使控制系统在安全状况下运行。

产品承诺：
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保 证 安全准时发货，
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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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NEW! 12 Pack Netapp X298A-R5 1TB SATA FAS2040 FAS2050 !

Qty 5 Netapp DS14MK2-AT 14x 500GB X267A SATA 35TB!!!!!

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

NEW 12-Pack Netapp X298A-R5 1TB SATA 2020 2040 2050

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

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

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 @@@@

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

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!!!!

NetApp FAS960 Filer w/2x DS14MK2-AT 14x X267A-R5 14TB!

NetApp 1-Port 10GbE NIC TOE FC Fiber Channel X1005A-R5

NetApp FAS3050 Filer w/ DS14MK2-AT 14x 750GB X268A-R5!!

NetApp FAS3050 Filer w/ DS14MK2-AT 14x 750GB X268A-R5

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

NetApp DS14MK4 Disk Shelf w/ 7x 450GB 15K FC X291A MK4

NetApp FAS3020 Filer w/DS14MK2 14x 300GB 10K 4.2TB!!!!!

NetApp FAS3020 Filer w/DS14MK2 14x 300GB 10K 4.2TB!!!!!

NetApp FAS3020 Filer w/DS14MK2 14x 300GB X276A 4.2TB!!!

NetAPP FAS270 Network Appliance Filer + 14 x 300GB

Lot 10pc Netapp X269A-R5 SP-269A-R5 108-00180 1TB SATA

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

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

Network Appliance NetApp FAS3070 Filer

NetApp FAS3050 Filer w/DS14MK2 14x 144GB 15K X275A-R5 !

NetApp DS14MK2 10.5TB 14x750GB SATA Disk Shelf 10.5TB

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

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

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

NETAPP 10.5 TB UPGRADE X268A DS14MK2-AT DS14MK2

NetApp FAS3020 Filer w/DS14MK2 14x 300GB X276A-R5 4TB

NetApp DS14MK2-AT 4.5TB w/ 14 X266B 320GB 7.2K SATA HD

NetApp FAS3020 Filer w/DS14MK2 14x 300GB 10K 4.2TB!!!!!

NetApp FAS3050 Filer DS14MK2-AT 14x 500GB X267A 7TB!!!

NetApp FAS3050 Filer DS14MK2-AT 14x 500GB X267A-R5 7TB!

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

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

NETAPP FAS6070 Filer Head Controller 1 YR WARRANTY!!!

NETAPP FAS6070 Filer Head Network Appliance 4gpbs !!!!

NETAPP FAS6070 Filer Head Network Appliance FAS 6070

NetApp X3770A F840 Motherboard

NetApp DS12 SCSI Shelf

NetApp C3100 NetCache

NetApp FAS270C Cluster w/14 X276A 300GB 10K FAS270

NetApp FAS940 Filer w/4x DS14MK2 14x 144GB 10K X274A

NetApp FAS940 Filer w/4x DS14MK2 14x 144GB 10K X274B-R5

NetApp F87 Filer Tower w/ 6x36GB – Network Appliance

NetApp FAS270C Filer Cluster w/ 14 X276A 300GB 10K FCAL

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

NetApp FAS270C Cluster w/14 X276A 300GB 10K FAS270

NetApp DS14 mk2 AT with 14x X268a-R5 750G SATA Drives

NETAPP NETWORK APPLIANCE SAS SATA FILER SYSTEM FAS-2020

Netapp FAS3070 Filer Head Network Appliance FAS 3070

NetApp FAS3020 Filer DS14MK2 14x 144GB 15K X275A-R5 2TB

Netapp FAS3070 3070 Filer Head Controller 4gbps 1 yr

NETWORK APPLIANCE NETAPP DS14MK2 AT, 14 X 750GB(X268A)

NetApp FAS3050 Filer w/2x DS14MK2 14 144GB 10K X274A-R5

NetApp FAS3020 Filer DS14MK2 14x 144GB 15K X275A-R5 2TB

NetApp FAS270 Filer Head w/14 X276A 300GB 10K FCAL

NetApp FAS980c Filers Cluster Network Appliance FAS980

NetApp FAS3050 Filer w/2x DS14MK2 14 144GB 10K X274A-R5

NetApp FAS270 Filer Head w/14 X276A 300GB 10K FCAL

NetApp FAS2020 w/2 111-00237 filer modules, 12 x SAS300

NetApp FAS980c Filers Cluster Network Appliance FAS980

NetApp FAS3020 Filer DS14MK2-AT 14x 500GB X267A-R5 @@@

NetApp FAS3020 Filer DS14MK2-AT 14x 500GB X267A-R5 4TB!

NetApp FAS3020 Filer DS14MK2-AT 14x 500GB X267A-R5 7TB!

Qty 2 NetApp DS14MK2-AT DSX-7.0TB-R5-C 500GB SATA 14TB

NetApp SK-F825 Spares Kit for F825 Filer

NetApp FAS3020 Filer DS14MK2 14 x 300GB X276A-R5 4.2TB

NetApp FAS270c Network Appliance Filer w/ 2TB 14 x X274

NetApp FAS3050C Network Appliance Filer Head

NetApp FAS3020c 2x Filers / 2x DS14 MK2 / 28x 146GB

NetApp DS14 MK2 Shelf w/ (14) 144GB 10K HDD

Netapp FAS2050C Cluster Filer Head Dual Controller

Netapp FAS2050C Cluster 2x Controller FAS2050 Clustered

NetApp SK-FAS960 Spares Kit for FAS960 System

NetApp X749A DC Power Supply Network Appliance

NetApp X3772B F820/F810/C3100 Motherboard

NetApp SK-F840B Spares Kit for F840 Filer

NETAPP FAS3050c Cluster 2 Filer Heads FAS 3050 Disk

NETAPP FAS3050C Clustered Filer Heads FAS 3050 Cluster

Network Appliance FAS3050C Cluster 2 Filer Heads Netapp

NETAPP FAS3050c Cluster 2 Filer Heads FAS 3050 @@@@@@@@

NETAPP FAS3050c Cluster 2 Filer Heads FAS3050 Clustered

NETAPP FAS3050c Cluster 2 Filer Head FAS3050 1 yr wrty

NETAPP FAS3050C Cluster 2 Filer Heads FAS3050 @@@@@

Netapp FAS6030-BASE-R5 Filer Head Network Appliance

NETAPP FAS3020C Cluster 2 Filer Head FAS 3020 Clustered

NETAPP FAS3020C Cluster 2 Filer Heads Clustered 3020

NetApp FAS270C Cluster 14 X 276A 300GB 10K FC 2GB

NETAPP FAS6030 Filer Head Network Appliance FAS 6030

NETAPP FAS6030 Filer Head Network Appliance 4gpbs !!!!

NETAPP FAS3020C Cluster 2 Filer Heads FAS3020 Clustered

NetApp FAS270C FILER HEAD 14 X 276A 300GB 10K 2G FC

NetApp DS14mk2 AT Shelf w/ 14 X268A-R5 750GB SATA

NetApp 14 X268A-R5 750GB SATA DS14mk2 AT Shelf

NETAPP FAS3020C Cluster 2 Filer Heads FAS3020 Clustered

NetApp F825 Filer Head Unit

NetApp FAS3050 Filer DS14MK2 14x 144GB 10K X274A-R5 “

NetApp FAS3050 Filer w/ DS14MK2 14x 144GB 10K X274A-R5

NetApp FAS3050 Filer w/ DS14MK2 14 144GB 10K X274A-R5

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

NetApp R200 NearStore Head Unit 6GB QLA2342 2X3GHz XEON

NetApp FAS3020 w/(2) Shelves of 300GB 10K FC Drives

NetApp NetCache C3300 6 X 72GB 15k FC

NetApp NetCache C3300 6 X 144GB 10K FC

NetApp C2100 NetCache Proxy Server w/ 7x 72GB HDD

NetApp NetCache C3300 6 X 72GB 15K FC

NetApp FAS270C with licenses and 2TB FC Storage

NetApp FAS2020, 111-00237 filer module, 12 x SAS144 146

NetApp R200 NearStore Head – ONTAP license options

NetApp FAS980 Filer – DataONTAP licenses also available

NetApp FAS3020C-R5 FAS3020 HA CFO iSCSI Base

NetApp F810 Filer Head Unit W/ DS14 MK2 Drive Shelf

**Special NetApp FAS960 Filer Head Unit

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

NetApp X1554A Long Wave SFP Brocade Switch – NEW

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

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。

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