2711-t10c8

描述

2711-t10c8

要不要搞FCS在国外正蓬勃发展，我国工控界应如何迎接自控领域这场变革的到来呢？这个问题可从分析我国工控业的发展历程和现状中找到答案。我国民族工控产品如PLC、DCS长期落后于国外，根本原因是国外少数几家大公司为保证其垄断经营的地位对其工控产品采用封闭式结构，我国对其关键核心技术只有通过引进消化后方可掌握，因此贻误了市场时机而总是落后于人家，受制于人。现场总线技术的开放性策略无疑为我国工控界在国际市场上的发展带来了一个千载难逢的平等竞争机遇，当游戏规则的变更使大家站在同一起跑线上时，就看谁捷足先登，抢先占领市场，把握主动权，最终领导市场。因此，我们应当紧紧抓住这一契机，率先推出有中国特色的现场总线产品，开创中国自己的国际工控产品的名牌，从而翻开中国工控界发展的新篇章。搞哪种FCS ?既然确定搞FCS，面对种类繁多的现场总线，应该搞哪种呢？分析现场总线多样性产生的原因，有助于理清这一思想。造成现场总线多样性的局面，一是因为行业习惯，如Profibus一直应用于PLC行业，FF应用于仪表行业；二是由于利益冲突，各工控厂商都不愿意放弃自己的标准而丧失已占用的市场份额。显而易见，现场总线标准完全统一尚为时过早。鉴于此，对于我国工控界的发展，建议采取以下策略：短期目标根据具体针对的行业特征，如楼宇自动化、过程自动化等，选择这一领域有较好业绩的一种（或两种）现场总线，加以研究开发，一方面抢先推出自己有特色的产品，占领市场，产生应用价值和社会效益；另一方面在于重点掌握现场总线的本质和精髓，以不变应万变，万一选用的总线没能成为最终标准总线，由于各总线之间本质的相通性，因此也能很快转产到最终的标准总线。

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DELL 1H734 DELL PE1400 SC SYSTEM BOARD

DELL A50291-651 DELL P7150 SYSTEM BD W/CARRIER

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IBM 05H7772 IBM 3494 BAR-CODE READER ASSY

IBM 07L8859 IBM 7025 SYSTEM PLANAR BOARD

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IBM 32H3975 NETFINITY 5600 4-PORT SSA ADAP

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IBM 47H0289 IBM S390 I/O CONTROLER ASSY

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EMC 005041086 CLARIION BBU

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IBM 60H0440 IBM QJ26 9672CARD

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IBM 59H4119 IBM 20/40GB 8MM INT TAPE DRIVE

IBM 93H6187 IBM 7015-XXX POWER SUPPLY AC

IBM 38L1186 INFOPRINT 40 CNTROLLER BOARD

IBM 46H8932 IBM QD92 9672CARD

IBM 60H0570 IBM QL66 9672CARD

IBM 74G9771 IBM 9402 AS400 BACKPLANE W CAG

IBM 97H6491 IBM 7017 4-WAY PROCESSOR UNIT

MADGE 157-159-02 SMART RINGSWITCH, 112 SWITCH

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NATIONAL INSTRUMENTS 179056-01 NATIONAL INSTRUM. GPIB M

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QUALSTAR 500983-01-0 QUALSTAR 4440 8MM BARCODE READ

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SUN 370-2435 SUN, DIFF. SCSI ARRAY CONTROL

QMS 2293040 QMS PS-2000 CONTROL BOARD

COMPAQ 154851-001 ESL9326D GRAPHICAL DISPLAY

HEWLETT PACKARD C2473S 670MB SCSI/SE HARD DRIVE

QUANTUM 6310827-01 ESL9326D GRAPHICAL DISPLAY

293360-B21/3059​83-001 HP SR2122 ISCSI STORAGE ROUTER

HP A6873B RX2600 DUAL ITANIUM2 1.5GHZ BASE SYTEM

3X-KN8AC-AA B4168-AA HP GS80/160/320 1.2GHZ CPU MODULE

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L1000 SUN STOREDGE L1000 DLT7000 TAPE LIBRARY

HP 201723-B22 HP MSA1000 ENCLOSURE W/CONTROLER -256MB
REPLACEMENT 229198-001

HP A6218A VA7410 CONTROLLER ARRAY WITH 1GB OF MEMORY

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DATARAM 40903 DATARAM MEMORY MODULE

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DEC DEFTA-DA DEC TURBO CHANNEL FDDI

DEC DSTY1-AA OPTION MODULE SET

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DEC MS332-FA DEC 1GB MEMORY KIT- 50NS

DEC P2000-BA MEMORY OPTION

DEC SN-PBXIP-AB PCI/BRI U ISDN ADAPTER

DEC SGS-17C SAMSUNG X TERMINAL UNIT

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HEWLETT PACKARD C1553-00100 HP48GB INT. DAT AUTOLOAD TA

HEWLETT PACKARD J4095A HP PROCURVE SWITCH 2224

IBM 52G1343 IBM RS6000 GRAPHICS MEM. CARD

LUCENT X330S2 LUCENT CAJUN P33X 1000BSX 2PT

MISC 221132-B21 ULTRA3 POWER SUPPLY

PRINTRONIX 134294-001 LG12 TOP COVER ASSY

HP 3X-MS8AA-BB 1GB INFINEON MEMORY KIT FOR GS80/160/320

HP STORAGEWORKS A7566A SFS 20 SATA STORAGE ENCLOSURE

HP A6870B Integrity rx2600-2 1.3ghz Server base system

12-47545-01 GS160/GS320 BLOWER 48V /EBM G3G480-AA02-05

COMPAQ 123476-003 HP 4414 14 BAY ENCLOSURE

COMPAQ 159505-001 DL590/64 VOLTAGE REGULATOR BD

COMPAQ 164002-001 COMPAQ MOTHER BOARD

COMPAQ 176249-001 FC ARBITRATED LOOP W/8 GBCIS

COMPAQ 178681-001 24-PORT DIGITAL MODEM

COMPAQ 166454-B21 SMART UPLINK MODULE 10/100TX

COMPAQ 166450-B21 SMART UPLINK MODULE 10/100TX

COMPAQ 296064-001 MOTOR BLOW W/FAN

COMPAQ 194701-001 FC ARBITRATED LOOP W/8 GBCIS

COMPAQ 340837-001 TL8XX X-AXIS INTERCONNECT PWA

COMPAQ 424871-001 COMPAQ SERVER NETII CARD

COMPAQ DS-BA356-SE 7 DEVICE 16BIT SBB SHELF

COMPAQ 340834-001 DLT7000 35/70GB S-DIFF L.READY

COMPAQ 422869-002 COMPAQ SERVER NETII CARD

COMPAQ NAS S1000/384MB NAS S1000 384MB MEMORY KIT

COMPAQ 402230-001 DLT7000 35/70GB TAPE DRIVE W/HOUSING

COMTROL 95900-7 COMTROL ROCKETPORT 32 PCI SERIAL ADAPTE

COMPAQ 241375-001 4100 STORAGE ENCLOSURE CHASSIS

COMPAQ DEINA-AA ROAMABOUT PCMCIA ADAPTER

COMPAQ 728956-005 MODULE

COMPAQ DVNXX-MX DEC VNSWITCH 900XX

COMPAQ DS-SWXHB-07 FIBRE CHANNEL 7-PORT STORAGE H

COMTROL 96500-8 COMTROL ROCKETPORT RM16 RJ45

DEC 30-56120-02 3 CHANNELS SCSI RAID CONTROLLE

DEC 54-19375-01 DEFEB APPLICATION PROC.

DEC 54-16853-01 PC500 RAM BOARD 2MB

DEC 54-22229-01 32MB READ CACHE MODULE

DEC 54-19481-01 VAX FT SUMMARY MAIN PANEL

DEC 54-19409-01 DEFEB-LA NI MODULE MULTI-

DEC 54-22444-01 DEC KFDDA-AF DUAL CARD

DEC 54-22414-01 MODULE

DEC 54-23242-01 ALPHASTATION 600 300MHZ MODUL

DEC 54-22589-02 MODULE.

DEC 54-24758-01 DS20 CPU MODULE ASSM

DEC 54-23468-01 DWLPA PCIA MOTHER BOARD

DEC 54-22631-01 ALPHA VME 2100 PCI TO VME

DEC 54-30194-01 GS80/160/320 H-SWITC PWS

DEC 54-25074-01 ALPHA SERVER GS320 PSM

DEC 70-13578-00 TS11 REEL MOTOR ASSY

DEC 70-24041-01 FRONT DOOR ASSY

DEC 54-25037-01 DEC STARFIRE MODULE

DEC 54-24776-01 VAX7000 CLOCK MODULE

DEC 70-29335-01 VAX 7000 EXP BOX

DEC 54-24544-03 MOTHERBOARD

DEC 70-14533-02 LA120 MECHANICAL ASSY W/P.HEAD

DEC 54-30434-01 HSV110 MODULE

DEC 70-30711-01 TZ87 TAPE HEAD *TESTED GOOD*

DEC 70-28602-01 BA213 RF DISK BACKPLANE

DEC 70-32195-02 HSZXX CONTROLLER MODULE

DEC 70-33250-03 DS-DWZZH-05 BLUE HUB

DEC 70-32194-02 DEC SCSI/DSSI CONTROLLER BOARD

DEC 70-33276-01 IO MODULE ASSY

DEC 70-33249-03 PERSONALITY CARD DIFF TO 2 SCSI

DEC 872-E DEC TU78 872-E POWER SUPPLY

DEC 70-28868-01 SA106 / TF787 POWER CONTROLLER

DEC B2012-BA MODULE

DEC 70-60370-08 35/70GB DLT7000 SCSI TAPE DRIVE

DEC 70-33544-01 IO MODULE ASSY

DEC B4190-BA STANDAR I/O W/USB PORTS

DEC 74-50640-01 FRONT COVER BLUE 5100

DEC BA356-SC 7 DEV SHELF, NO I/O MODUL

DEC DEFBB-M DECSWITCH 900FO

DEC B4171-AD DEC COOPER I/O RISER MODULE REV. A6

DEC DECOM-AA COMMUNICATION SINGLE PORT

DEC BA356-RA 16 BIT ENCLOSURE

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