描述
ABB 5761789-6H
2000年世界上工控机市场估计为300~400亿美元,其中DCS 60亿美元,嵌入式系统60~70亿美元,FCS 20~30亿美元,IPC 70~80亿美元,PLC 70~80亿美元,数控 70~80亿美元。并且每年以10%~15%的速度增长。
1.DCS (集散控制系统)的发展趋势
虽然以现场总线为基础的FCS发展很快,并将最终取代传统的DCS,但FCS发展有很多工作要做,如统一标准,仪表智能化等。另外传统控制系统的维护和改造还需要DCS,因此FCS完全取代传统的DCS还需要一个较长的过程。
当前工控机仍以大系统、分散对象、连续生产过程(如:冶金、石化、电力)为主,采用分布式系统结构的分散型控制系统仍在发展。由于开放结构和集成技术的发展,促使大型分散型控制系统销售增加。DCS1997年销售为45亿美元。在工控机中DCS是受计算机技术影响最大、反应最快的一种。DCS主要发展趋势为:
(1)向综合方向发展。由于标准化数据通信线路和通信网络的发展,将各种单(多)回路调节器、PLC、工业PC、NC等工控设备构成大系统,以满足工厂自动化要求,并适应开放化的大趋势。
(2)向智能化方向发展。由于数据库系统、推理机能等的发展,尤其是知识库系统(K
BS)和专家系统(ES)的应用,如自学习控制、远距离诊断和自寻优等,人工智能会在DCS各级实现。和FF现场总线类似,以微处理器为基础的智能设备,如智能I/O、智能PID控制、智能传感器、变送器、执行器、智能人机接口及可编程调节器相继出现。
(3)工业PC化。由于IPC组成DCS成为一大趋势,PC作为DCS的操作站或节点机已经很普遍,PC_PLC、PC_STD、PC_NC等就是PC_DCS先驱。
(4)专业化。DCS为更适合各相应领域的应用,就要进一步了解这个专业的工艺和应用要求,以逐步形成如核电站DCS,变电站DCS、玻璃DCS及水泥DCS等。
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
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PARKER THREE WAY VALVE MODEL # 955Y3NC
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CENTURA SLIT VALVE DOOR PART # 0021-09922
AMAT PART # 0200-10455
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LAM ESC POWER SUPPLY DISTR. PCB PART # 810-370141-001
AMAT PART #0020-29343 DARK SPACE SHIELD CLAMP
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AMAT PART 0020-19002
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LAM 6 ” SPIN CHUCK PART # 715-013718-006
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SLOW VACUUM VALVE MODEL # FPR-91-9.52
PEDESTAL VACUUM PRESSURE SWITCH PART # 0090-77032
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FRAME ALIGNMENT PIN PART # 0020-27812
VACUUM SWITCH PART # 853-017631-001
TEFLON RING BLOCKER AMAT PART # 0021-38799
LOWER MAGNETIC BRACKET AMAT PART # 0021-36605
AMAT PART # 0200-35013
BRACKET COIL FRONT PART #0021-36606
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QTY 593 NEW EVIDENCE GRADE CD-R CDR DISKS 80MIN 700MB
500′ SPOOL 15 CONDUCTOR 24 GAUGE COMPUTER CABLE C0746A
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NEW STERLING THREAD ROLLING DIE SET 1/2-20 UNR X8
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4 ERTELALSOP DISC-PAK LIQUID FILTERS CARTRIDGES 11-1/4″
SPOOL SLATE 100′ ALPHA 3247 3C 600V 16AWG CABLE/WIRE
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40 NEW VIASYSTEMS KALEX BLANK PRINTED CIRCUIT BOARDS
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15 NEW KIDDE 60-9196984-000 Co2 SYSTEM BRASS VENT PLUGS
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QTY 72 NEW PHILIPS 4-WAY GOLD COAXIAL CABLE SPLITTERS
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QTY 3 CISCO 1000BASE-T GBIC COPPER RJ45 TRANSCEIVERS
VINTAGE SKELLY SUPREME MOTOR OIL STICK MATCHES W/BOX
NEW FUSION UV SYSTEMS PWB /POWER SUPPLY BOARD 558591 -A
QTY 12 NEW BURNDY HYDROREDUCER IN-LINE REDUCER SPLICERS
NEW PANASONIC DA-FG180 FAX COMMUNICATION BOARD OPTION
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40 ROLLS AIRTECH VACUUM BAGGING SEALING TAPE 1/2″ x 25′
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MITSUBISHI MELSEC Q SERIES QJ71LP21-25 DATA LINK NIB
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HP Agilent E5036A Filter Matrix VXI Module
OMRON C1000HF-CPUA1-V1 C1000HFCPUA1V1 CPU NIB ( NEW )!
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SIEMENS SIMATIC S5 CPU 6ES5-942-7UA12 PLC Offer!
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Panasonic Nais PLC FP2-C3P, FP2-DA4, FP2-PP4 Complete !
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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