DS2020DACAG1

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描述

DS2020DACAG1

 提高外部设备的响应速度。在PLC内部实现高速化的同时,还要提高外部设备的响应速度,才能整体提高整个系统的性能,为此,在缩短I/O模块的输入输出响应时间,提高模拟量输入输出模块的模-数和数-模转换时间,下了不少工夫,以求得系统整体的控制速度达到毫秒级以下。例如,在晶体管输出模块的输出电路中选用高性能的晶体管,使响应时间加快50%;在直流输入模块中,其输入的时间常数回路采用专用ASIC芯片,可通过编程软件选择输入模块的响应时间为1/5/10/20/70毫秒;为提高模拟量模块的转换时间,采用A/D或D/A的专用芯片,是转换速度为原先的1/2—1/6。另外也通过开发专用的处理器和通信专用ASIC,缩短通信网络模块之间的通信链接的循环时间。
信息技术渗入PLC。信息技术渗入PLC是为了适应工厂控制系统和企业信息管理系统日益有机结合的发展趋势;适应在控制层面让不同品牌的PLC之间,让PLC与DCS、SCADA等系统之间,能有效而足够快地交换数据的市场要求。它主要表现在:
1) 让以Windows操作系统的PC机嵌入PLC系统[见上述第(1)节]。
2) 创建开放的网络环境。如推出能挂100M的高速以太网的Web服务器模块(三菱电机小Q系列的QJ71WS96,横河电机FA-M3系列的F3WBM1-0T-S01),模块内的软件捆绑了目前最常用的TCP/IP、UDP/IP等传输层和网络层的规约,以及HTTP、FTP、SMTP、POP3等应用层的规约,使PLC可直接进入因特网,成为不折不扣的基于Web的PLC;也可使日本产的PLC挂上以德国Siemens公司为主导的工业以太网ProfiNet。在这次系统控制展览会上,我们就见到日本Profibus组织(JPO)的展台上展出的通过多种方式挂ProfiNet的日本PLC,富士电机的MICREX-SX系列PLC、横河电机的FA-M3系列PLC都是直接经由其以太网模块挂ProfiNet的,三菱电机的小Q系列PLC则是通过其RS 232C的模块和外挂的RS 232C/以太网协议转换器(JNVE1型)挂ProfiNet的。

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主营DCS系统配件
机器人系统配件
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NetApp X232 72GB FC-AL BCS Hard Drive for FC9 Shelf

Network Appliance NetApp FAS960c Filer

X70073-R6 NetApp Bezel 2-pc End Cap Set for a DS4243

NETAPP X550-C DS14 MK2 FC w/ AC PSUs NETWORK APPLIANCE

NetApp AT-FCX CONTROLLER MODULE X5612A-R5 for DS14MK2AT
One-day shipping available

NetApp AT-FCX CONTROLLER MODULE X5612A for DS14MK2AT
One-day shipping available

NetApp AT-FCX CONTROLLER MODULE 106-00101 for DS14MK2AT
One-day shipping available

NetApp 72gb 15K RPM Disk Drive, Model X273 or X273B

NetApp F820 w/CPU, QLA2200G, QLA1041, FC Card

NetApp X267A-R5 500GB 7200 SATA Disk Drive

NetApp X5526A-R6 4 post Universal Rackmount Kit
3 Year Next Business Day Warranty

Netapp RS-PSU-450-AC2 Netapp Rs-psu-450-ac2
One-day shipping available

Nortel 114-00012+D0 Power Supply Netapp 440w
One-day shipping available

NetApp X3182A 512MB for FAS250 Network Appliance – NEW

NetApp 7 x 36GB Shelf Network Appliance

NETAPP 108-00044 NETAPP 72.8GB 10K DISK FC-AL HS (X235A

NETAPP 114-00012+D0 440W DS14 PSU

NETAPP RS-PSU-450-AC2 450W PSU

NetApp AT-FCX Module X5612 A 2Gb/sec

NetApp X5511 A ESH 2 Storage Controller Module 2Gb/sec

NEW NetApp X5605A R100 R150 Storage Shelf EMU 106-00005
Expedited shipping available

NetApp X1946A Cluster Cable SP-1946A Network Appliance

Network Appliance NetApp FAS960C Filer w/ cards (3)

Network Appliance NetApp FAS960C Filer w/ cards (4)

Network Appliance NetApp FAS960C Filer w/ cards (2)

Netapp F810 Filer Head & 90 Day warray

NetApp Emulex LP1050 2GB Single Port Fiber Channel HBA

NetApp Emulex LP 10000 DC 2GB Dual Port FC HBA

NetApp Infiniband Cluster IB Adapter LC SP-1925A X1925A

NetApp File Server Cabinet

NetApp X5515A-R6 Rack mount kit

NetApp X5511A ESH2 Module SFP-SFP DS14 MK2
We buy your NetApp, EMC, IBM, SUN surplus.

NetApp X5512A-R5 ESH4 Module for DS14MK4
We buy your NetApp, EMC, IBM, SUN surplus.

NetApp NetApp F810

NetApp RS-1400-FC

NetApp X511A AC Power Supply DS14 Shelf

NetApp X2040B Fiber Channel FC-AL Storage Controller

NetApp X2044B Fiber Channel FC-AL Storage Controller

NetApp X2044A Fiber Channel FC-AL Storage Controller

NetApp X226 72GB FC-AL ZCS Hard Drive for FC9 Shelf
We buy your NetApp, EMC, IBM, SUN surplus.

NetApp X1025D Gigabit Ethernet IV Card (optical w/ SC)

NetApp X1025C Gigabit Ethernet III Controller

NetApp X278A-R5 144GB 15K FC-AL 4Gb Drive for DS14 MK4
We buy your NetApp, EMC, IBM, SUN surplus.

Network Appliance NetApp FAS940c Filer

NetApp NetCache X259A 100GB SATA HDD for C1300 SC300
One-day shipping available

NetApp RS-1400-FC

NetApp X721A F800 Series Filer Power Supply

NetApp X286A-R5 SAS 15K 300GB
4 HARD DRIVES AVAILABLE

NetApp NVRAM6 w/ 2GB, NA 111-00138 + F0

NetApp 144gb 15K RPM Disk Drive, Model No. X275, X275B

x1925A NetApp Clustered Dual 2Gb PCI Card

NetApp DS14 Shelf 14-Drive Capacity Storage Array Unit

NetApp FAS920 2GB 256MB Appliance Filer Head

NetApp 110-01599 PCI NVRAM Memory Board 32MB

NetApp NearStore Network R100 5U RM Filer Head Unit

NetApp 106-00026+D0 2GB ESH Module RS-ESH2-FC-14-C​U

NetApp X1025B Optical Gigabit Ethernet Card 106-01382
One-day shipping available

NetApp X1025C Optical Gigabit Ethernet Card 106-02282
One-day shipping available

NetApp X2051A Dual Port FC-AL Controller Card 111-00051
One-day shipping available

NetApp X1025D Optical Gigabit Ethernet Card 106-00014
One-day shipping available

4 Qlogic QLA2352 64 bit SAN Blade FC HBAs NetApp

NetApp F825

NetApp X2050B-R5 Dual FC, 2gb, PCI-X, Optical HBA

NetApp R200 256MB NVRAM4 Card 111-00023+C0

NetApp X278A 144GB 15K FC DS14 MK2 MK4 1 YEAR WARRANTY

NetApp 114-00021 AC PS Astec RS-PSU-450-AC1N 65667-02A

NetApp X267A – 500GB SATA HD – ST3500630NS – Seagate

NetApp DS14 Storage Array 14x 72GB 10K Fiber channel

NetApp DS14MK2-FC Storage Array 14x 72GB 10K Fiber

Seagate FC 10K Hard Drive ST3146707FC NetApp 146GB New!

NetApp F720 Filer Head Unit

Netapp 144GB 15K RPM 4Gb FC R5 Disk X278A-R5 mk4 ~~
One-day shipping available

NetApp X2040B Fiber Channel FC-AL Storage Controller
One-day shipping available

Netapp F85 Filer Head w/ 90 Day Warranty

NetApp X1925A Mellanox Infiniband Cluster Adapter IB
Expedited shipping available

NetApp 72GB 10K Disk for DS14 Network Appliance X235

NetApp F720 Filer Head Unit w/ Gigabit Fibre Channel

NetApp X225 36GB 10K ZCS Disk for FC9 Network Appliance

NetApp X225A 36GB ZCS Disk for FC9 Network Appliance

NetApp X225B 36GB ZCS Disk for FC9 Network Appliance

NetApp X278A-R5-C DSK DRV,144GB,15K RPM,4Gb,FC,-C,R​5
One-day shipping available

NetApp DS14 MK2 Shelf w/ Trays

NetApp 111-00042 JNI IBP Dual 2Gb PCI Card

NetApp X204 2GB SCSI Disk for SS1

NetApp X1904A 4m Copper Cluster Cable

NetApp SP-6201A Environmental Data Monitor EDM FC7/FC8

NetApp X1011 F800 System Fan Network Appliance SP-1011

NetApp X6501A LRC Module for FC7 / FC8 Shelf

NetApp X650 FC7 FC-AL Disk Shelf

NetApp X655 FC8 FC-AL Disk Shelf

NetApp SP-720C Power Supply 110/220V AC X720C


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。