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5X00106G01

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品牌:西屋 规格:5X00106G01 材质:5X00106G01
产地:美国
质量没得说,价格不是问题
细节决定质量,品质决定销量
正品保证,质保一年    
千款库存产品,让您不敢想象
多种不同产品,询您所需
产品品牌:西屋
产品型号:5X00106G01
联系人:赵艳霞     手机:18020776785     电话:0592-5087595    传真:0592-5165561
QQ:2653339695     邮箱:2653339695@qq.com
5X00106G01

DCS系统由多台计算机分别控制生产过程中多个控制回路,同时又可集中获取数据、集中管理和集中控制的自动控制系统。分布式控制系统采用微处理机分别控制各个回路,而用中小型工业控制计算机或的微处理机实施上一级的控制。

经过这些年来的不断应用,DCS系统在行业发展的一些局限性逐步体现出来,DCS存在的问题:

1、1对1结构。1台仪表,1对传输线,单向传输1个信号。这种结构造成接线庞杂、工程周期长、安装费用高、维护困难。

2、失控状态。操作员在控制室既不了解现场模拟仪表的工作状况,也不能对其进行参数调整,更不能预测事故,导致操作员对其处于失控状态。因操作员不能及时发现现场仪表故障,而发生事故已屡见不鲜。

3、可靠性差。模拟信号传输不仅度低,且易受干扰。为此采用各种措施提高抗干扰性和传输度,其结果是增加了成本。

4、互操作性差。尽管模拟仪表已统一4~20mA信号标准,可大部分技术参数仍由制造商自定,致使不同品牌仪表无法互换。因此导致用户依赖制造厂,无法使用性能价格比优的配套仪表,甚至出现个别制造商垄断市场的局面。

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SAFCO ( Agilent ) Integrated Controller
SEJIN E&T (S.E.T.) S-BAND DUPLEX CAVITY
AMPHENOL 31GB-0555-5(314) CONNECTOR
EMC Fiber Board Module. 100-561-509 ; Bd 204
Western Digital HDD PC Board WD1600YS-01SHB1
matrox GPG4N/500/128/2 p/n: 63039646 Gen/Pro 925-01
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DATACUBE MAX VIDEO 20 PROCESSOR CARD
ALCATEL A120S1E 3AL89669AA 12 PORTS MODULE good workin
ALCATEL 4PSO SDH-HO 8DG05413AAAA01 MODULE
KM KM80/FL/E/C Power Supply for library
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ACTELIS MetaLIGHT 58N 502F000158 Used in Excellent Con
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Feedback Model FG600 Function Generator Tested WORKING
PCI-IO9845-6S PCI 6 PORT SERIAL ADAPTER  
Optibase MGE400 Windows Media Board,
Seagate Cheetah 10K.7 300 GB,SCSI,10000 RPM,3.5" ST3300
FESTO Pneumatic Control System + 1 ATHESON Control Valv
QLOGIC QLA210 2Gbps SunFru:375-3253-01 Single Ch.Fiber
SMC MIST SEPARATOR EAMF3000+AIR REGULATOR EAR2000+FILTR
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KRAMER VM1042 4 Channels Video Component Distributor
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FAST Multimedia AG DDPR GroundBoard V1.4 ISA Card 10223
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DATACUBE 8 PORTS FEATURE MK II MODULE
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Western Digital HDD PC Board WD1200-00BB0
C&RS SC04-00026 SC-4M Card !!
COMPAQ Backup Drive 70-60420-02 40/80GB DLT Internal SC
SUN X4600 501-7046 CPU Mem Board -LOT-
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1677-31163 Periscope Tank Telescope Eyepiece p/n: 1677
SAFCO ( Agilent ) INTEGRATED VOICE PRINT CONTROLLER
Hooked 3- Phase 7.5- 300 KW WattMeter + Case.
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AVID-PINNACLE SYSTEMS PAIR OF CARDS:173001 + BOA BOARD
5X00106G01


联系方式
  • 联系人: 吴金孝 先生
  • 电话: 0592-5165553
  • 真: 0592-5165561
  • 手机: 15359409553
  • 地址: 福建省 厦门市 厦门思明区湖滨东路湖光大厦8楼A单元
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