描述
3HAC028357-001
控制類產(chǎn)品名目繁多，各家叫法不一。通常使用的控制類產(chǎn)品包括DCS、PLC兩大類。我們又將DCS的概念拓展到FCS。
DCS（Distributed Contorl System）,集散控制系統(tǒng)，又稱分布式控制系統(tǒng)。
PLC（Program Logic Control ）,可編程邏輯控制器。
FCS（FieldBus Contorl Syestem），現(xiàn)場總線控制系統(tǒng)
發(fā)展到現(xiàn)在，DCS和PLC之間沒有一個(gè)嚴(yán)格的界線，在大多數(shù)人看來，大的系統(tǒng)就是DCS，小的系統(tǒng)就叫PLC。當(dāng)然，這么說也不是不可以，但是還不對?，F(xiàn)在我們來重新建立這個(gè)觀念。
首先，DCS和PLC 之間有什么不同？
1、從發(fā)展的方面來說。
DCS從傳統(tǒng)的儀表盤監(jiān)控系統(tǒng)發(fā)展而來。因此，DCS從先天性來說較為側(cè)重儀表 ? ? ? ? 的控制，比如我們使用的ABB Freelance2000 DCS系統(tǒng)甚至沒有PID數(shù)量的限制（PID,比例微分積分算法，是調(diào)節(jié)閥、變頻器閉環(huán)控制的標(biāo)準(zhǔn)算法，通常PID的數(shù)量決定了可以使用的調(diào)節(jié)閥數(shù)量）。
PLC從傳統(tǒng)的繼電器回路發(fā)展而來，最初的PLC甚至沒有模擬量的處理能力，因此，PLC從開始就強(qiáng)調(diào)的是邏輯運(yùn)算能力。
2、從系統(tǒng)的可擴(kuò)展性和兼容性的方面來說。
市場上控制類產(chǎn)品繁多，無論DCS還是PLC，均有很多廠商在生產(chǎn)和銷售。對于PLC系統(tǒng)來說，一般沒有或很少有擴(kuò)展的需求，因?yàn)镻LC系統(tǒng)一般針對于設(shè)備來使用。一般來講，PLC也很少有兼容性的要求，比如兩個(gè)或以上的系統(tǒng)要求資源共享，對PLC來講也是很困難的事。而且PLC一般都采用專用的網(wǎng)絡(luò)結(jié)構(gòu)，比如西門子的MPI總線性網(wǎng)絡(luò)，甚至增加一臺操作員站都不容易或成本很高。
DCS在發(fā)展的過程中也是各廠家自成體系，但大部分的DCS系統(tǒng)，比如西門子、ABB、霍尼維爾、GE、施耐德等等，雖說系統(tǒng)內(nèi)部（過程級）的通訊協(xié)議不盡相同，但操作級的網(wǎng)絡(luò)平臺不約而同的選擇了以太網(wǎng)絡(luò)，采用標(biāo)準(zhǔn)或變形的TCP/IP協(xié)議。這樣就提供了很方便的可擴(kuò)展能力。在這種網(wǎng)絡(luò)中，控制器、計(jì)算機(jī)均作為一個(gè)節(jié)點(diǎn)存在，只要網(wǎng)絡(luò)到達(dá)的地方，就可以隨意增減節(jié)點(diǎn)數(shù)量和布置節(jié)點(diǎn)位置。另外，基于windows系統(tǒng)的OPC、DDE等開放協(xié)議，各系統(tǒng)也可很方便的通訊，以實(shí)現(xiàn)資源共享。
產(chǎn)品承諾：
保?證?全新原裝進(jìn)口,
保?證?安全準(zhǔn)時(shí)發(fā)貨，
保?證售后服務(wù)質(zhì)量，
優(yōu)勢價(jià)格，大量現(xiàn)貨。
主營DCS系統(tǒng)配件
機(jī)器人系統(tǒng)配件
大型伺服系統(tǒng)配件
品牌：ABB???,AB??,GE,FOXBORO,本特利，英維思，伍德沃德，西屋，瑞恩，施耐德，西門子，摩托羅拉，安川。力士樂。ACSO，橫河等進(jìn)口品牌。 專業(yè)銷售進(jìn)口DCS? PLC系統(tǒng)備件模塊
Triconex?Siemens?Yaskawa?ABB?GE?Ovation?AB?Foxboro?Motorola?Schneider?XYCOM?KUKA ? 專業(yè)銷售進(jìn)口DCS? PLC系統(tǒng)備件模塊 15天包退換 一年質(zhì)保 大量現(xiàn)貨? 國內(nèi)實(shí)力庫存商家
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DEC 74-50640-01 FRONT COVER BLUE 5100
DEC BA356-SC 7 DEV SHELF, NO I/O MODUL
DEC DEFBB-M DECSWITCH 900FO
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DEC DECOM-AA COMMUNICATION SINGLE PORT
DEC BA356-RA 16 BIT ENCLOSURE
DEC DEXBR-M DEC ROUTEABOUT ACCESS EI
DEC DEFGT-BA GIGASWITCH FDDI MODULE
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DEC SWXSS-01 EXPANSION STORAGE
DEC SWSA1-BC SW ADAP-SUN DIFF/FAST SCSI
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DEC SHZH1-DT HARD DRIVE IN CANISTER
DELL 330NK DELL POWEREDGE MOTHERBOARD
GENICOM CA02626-E240 LN40 TONER HOPPER
GENICOM CA02626-E304 LN40 PAPER FEED ASSY 3
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GENICOM CA02626-E250 LN40 TONER HOPPER
EMC 005-41330 10SLOT INTERCONNECT PCB
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HEWLETT PACKARD A3641-80022 KX70/98KS 180MHZ PROCESOR B
HEWLETT PACKARD C1160-66508 HP OPTICAL JUKEBOX SCSI BOA
HEWLETT PACKARD 630214-202 NETSERVER DUAL PROCESSOR BOA
HEWLETT PACKARD A2982-60001 HP X60 PROCESSOR BOARD
HEWLETT PACKARD C3232A HP C3232A ENTRIA TERMINAL
HEWLETT PACKARD A2375-60097 K200 SYSTEM BOARD
HEWLETT PACKARD C1107-60032 HP 206W 5/12V POWER SUPPLY
HEWLETT PACKARD D3338-60001 NETSERVER DUAL PROCESSOR BO
HEWLETT PACKARD A6386A HyperFabric2 PCI 4X fiber adap
HEWLETT PACKARD C5173-89007 DLT7000 35/70GB TAPE DRIVE
HEWLETT PACKARD C4118-69001 FUSER KIT HP4000
HEWLETT PACKARD C7200-66521 HP SURESTORE FC INTERFACE B
HEWLETT PACKARD C7200-60006 HP SURESTORE FC INTERFACE B
HEWLETT PACKARD J3136-90001 HP ADVANCESTACK PWS REDUNDA
HEWLETT PACKARD J3136-61001 HP ADVANCESTACK PWS REDUNDA
HEWLETT PACKARD J3299A HP PROCURVE SWITCH 224M
HEWLETT PACKARD C7200-61521 HP SURESTORE FC INTERFACE B
HITACHI 667830-004 VISIONBASE 8460 CARRIER MEMORY
HITACHI 667829-304 VISIONBASE 8460 CARRIER MEMORY
HITACHI 667383-005 VISIONBASE 8460 POWER SUPPLY
HEWLETT PACKARD D6530-60005 D6530-60005
HITACHI 662379-404 VISIONBASE 8460 MOTHERBOARD
HIT 2098174-A 3PHASE AC POWER SUPPLY
IBM 04N4317 IBM 940X OPERATOR PANEL ASSY
HEWLETT PACKARD ZTC22942680 HP POWER SUPPLY
HITACHI DPS-420CB VISIONBASE 8460 POWER SUPPLY
HITACHI 671317-007 VISIONBASE 8460 MOTHERBOARD
IBM 00G3165 7013 I/O PLANER BOARD
HEWLETT PACKARD J3136A HP ADVANCESTACK PWS REDUNDANT
IBM 00G2503 650W POWER SUPPLY
HITACHI 668492-004 VISIONBASE 8460 BACKPLANE MOD.
IBM 07H5225 IBM POWER CABLE ASSY
IBM 05J8924 IBM DUAL CHANNEL SCSI ADAPTER
HITACHI 668445-204 VISIONBASE 8460 BACKPLANE MOD.
IBM 05J8911 IBM MEMORY CARRIER MODULE
IBM 07H6255 IBM 9672 TESTER BOX ASM
IBM 21F9345 IBM 9406-F80 CABLE 2 PORT ADA
IBM 09G7649 IBM 3490 READ DETECT CARD
IBM 31G9751 SYSTEM BOARD
IBM 31G9740 7013 I/O PLANER BOARD
IBM 34L3582 IBM MODULE ASSY
IBM 37L2406 AGP 3D-PRO 4110 VIDEO CARD
IBM 44H2731 IBM ACI-4M SYSTEM POWER
IBM 44H2721 IBM PBE-5M 9672MODULE ASSY
IBM 44H8304 IBM 940X SPCN MODULE
IBM 32G1924 SYSTEM BOARD
IBM 65G7623 SYSTEM BOARD
IBM 65G7622 SYSTEM BOARD
IBM 45G2781 IBM 4-PORT MODULE
IBM 44H8421 IBM 940X REMOVABLE MEDIA CAGE
IBM 59H7486 IBM 2105 I/O ATTACHMENT CARD
IBM 8184913 IBM 7013 CPU PLANAR
IBM 93H2641 IBM MEMORY CARRIER MODULE
IBM 44H7779 IBM 940X POWER SUPPLY
IBM 60H0558 IBM QD82 FIBER CHANNEL ADAPTER
IBM 44H7777 IBM 940X 200-240V POWER SUPPLY
INTERPHASE 9000-0751-006 INTERPHASE 9000-0751-006 BOARD
IBM 8193663 IBM AS/400: HIGH SPEED COMM IO
JNI FCE-1473-N JNI 2GB FC HOST BUS ADAPTER
MARCONI NM-4/155UTP5C MARCONI 4-PORT 155MBPS MODULE
LUCENT 750A030150 LUCENT PACKETSTAR ICM CARD
MARCONI NM-4/155MMSCE 4-PORT OC3 MULTIMODE MODULE
MARCONI 7401-00 FORE POWERHUB 7000 ATM
MARCONI NM-4/155MMSCD FORE 4-PORT 155MBPS MODULE
MISC 01-03E121202 RACAL-MILGO OMNIMODE96 UNIT
MARCONI NM-1/622MMSCD FORE 1-PORT 622MBPS MODULE
MARCONI ESX-48-FAN ESX-4800 FAN TRAY ASSY
LSI 356-0003856B QUAD-PORT 10/100 ETNET ALPHA
MARCONI NM-4/155UTPLC MARCONI 4-PORT 155MBPS UTP
MISC 311-0006-002 GS/E SWITCH CONTROL MODULE
MARCONI NM-4/155UTP5LC FORE 4-PORT 155MBPS MODULE
MISC 55000325 PC/XEM HOST ADAPTER BOARD
MISC 6210518-01 TL810 Y-AXIS UMBILICAL CABLE
MISC 22946600 ARTYSAN POWER SUPPLY
MISC 40004049-001 DIAMOND FIRE GL4000 VIDEO CARD
MISC 6210480-01 TL810 X-CARRIAGE INTERCO-
MISC 640QT-C2 RT-VAX 3305 BOX
MISC 04006-T90 PCMCIA ROAMABOUT
MISC 0MNIMODE 96 RACAL-MILGO OMNIMODE96 UNIT
MISC 530-0022-001 GS/E SWITCH CONTROL MODULE
MISC 600-ATX DUALPOWER 600 ATX PWS 600W
MISC 34-44529-09 34-44529-09
MISC 530-0011-001 DGBGA-AA BACKPLANE BOARD
MISC 10273-01B LOAD CARD ASSY
MISC 520-0022-001 GS/E SWITCH CONTROL MODULE
MISC 140E38452 LN28 POWER SUPPLY 115V
MISC 2T-ADPDG-AB DIGI PORTS
MISC 5190020G2 LEESON HUB MOTOR 60HZ
MISC 9720-736 736MB SABRE DRIVE W/PWS*AS IS*
MISC A6C34DC34B LEESON HUB MOTOR 60HZ
MISC 933-0004-001 DGBGA-AA BACKPLANE BOARD
NORTEL 700231-001 100-240VAC POWER SUPPLY
PCB 200007B-06 1GB BASE SX PCI FIBRE CHANNEL
PERTEC 77021240 TU80/81 MODULE
PRINTRONIX 110988-901 PRNTRONIX SHUTTLE AASY
NETAPP XL401R-S-02Z NETAPP SE SHELF STORAGE ARRAY
QUADRICS QM400 AS SC40/SC45 INTERFACE MODULE
NORTEL NTEP05AA-05 NORTEL PASSPORT TERMINATOR MOD
MYRICOM M2F-PCI32 MYRICOM INTERFACE MODULE
PRINTRONIX 112315-001 PRINTRONIX IGP-2X0 CONFG. BOAR
PRINTRONIX 112313 PRINTRONIX IGP-2X0 CONFG. BOAR
PRINTRONIX 152939-001 PRINTRONIX IGP-2X0 CONFG. BOAR
QUANTUM TH5XB-NP 20/40 DLT FOR TAPE LIBRARY
QMS 1710193-001 QMS MAGICOLOR 2 OPC BELT
QUANTUM TH5AA-EL DLT4000 TAPE DRIVE SCSI-SE*BLA
SUN 370-3531 POWER SUPPLY W/O SWITCH
QUANTUM TH4AB-YF 10/20GB INT. DIFF TAPE DRIVE
QUALSTAR 500826-01-1 QUALSTAR 4440 HANDLER PWS
ZIATECH COMPACTPCI ZT-5610B PMC CARRIER BOARD ZT-5610
DEC VAX PDP CMD CQD-423/TM QBUS SCSI CONTROLLER MODULE
COMPAQ ALPHASERVER DS10L 6/466MHZ, 512MB DA-71AAA-EA
CS11 PDP 11/44 Emulex Module CS1110201-H2
DEC 54-24719-02 AS1000 5/300 CPU
DEC 54-22499 DEFPA PCI/FDDI ADAPTER
QUANTUM/PITTMAN 6204257-01 TL82X VERTICAL MOTOR
DEC DSRZF-E MUXSERVER 90
COMPAQ 401912-001 SHELF WIDE DEVICE BA356-CLEAN
DEC 3R-A2407-AA CPQ 35/70GB AIT-1(LVD) INT.TAPE-CARBON
DEC 3R-A2493-AA CPQ 35/70GB AIT-1(LVD) INT.TAPE-CARBON
DEC 54-19811-02 KN02- VAX 5000-240 CPU
DEC 54-22501-01 FIBER OPTIC OPTION MODULE
DEC 54-24544-01 MOTHERBOARD
DEC 54-23225-01 LN09 DISK DAUGHTER CARD
DEC 54-24574-02 ST RISER CARD MODULE
DEC 54-30210-01 MODULE.
DEC 54-25125-01 BA54A CSB DISTRIBUTION MODULE
DEC 70-29951-03 BLUE COVER PANEL
DEC 70-40073-01 ES40 FAN
DEC A8154 PCI/TOKEN RING NETWORK ADAPTER
DEC H720-E POWER SUPPLY
DEC H3220 20 MA ADAPATER PDP11/70
DEC DSW42-AA SYNC LOGIC MODULE
DEC M7732 OPT CHAR SET MODULE
DEC MSP01-HF COMP 512MB MEMORY KIT COMPATIBLE
DEC RZ73-MX RZ73-E DISK DRIVE WITH
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HEWLETT PACKARD A5599-70001 HP DLT8000 SCSI-HVD LOADER
HEWLETT PACKARD A6384-69002 HP HFW 8 PORT FIBER CARD
HEWLETT PACKARD A1809-60030 HP POWER CONTROL MODULE
HEWLETT PACKARD A1809-60017 HP PCBA BACKPLANE W/TRAY
HEWLETT PACKARD C3971A HP 5SI MAINTENANCE KIT
HEWLETT PACKARD C7200-60110 HP REMOTE MANAGEMENT CARD
HEWLETT PACKARD RG5-3027-000 HP LJ 8550 PW MODULE
MISC 155-0185-01 32Z PCI VIDEO BOARD DUAL
MISC 29-26372-00 TU80/81 POWER SUPPLY
NATIONAL INSTRUMENTS AT-GPIB-TNT NATIONAL INST. INTERFA
SUN 348-0036690B SUN SCSI DIFF-DUAL CONTROLLER
SUN 348-0036 SUN SCSI DIFF-DUAL CONTROLLER
SUN 501-1855 SUN IPI-2 DISK CONTROLLER MODU
COMPAQ 157301-B21 CPQ TL891DLX EXPANSION UNIT LVD
COMPAQ 157301-001 CPQ TL891DLX EXPANSION UNIT LVD
COMPAQ 306257-001 POWER SUPPLY WITH SWITCH
DEC H7266-AA DEC POWER REGULATOR UNIT
PRINTRONIX 109925-001 PRINTRONIX P6080 PCBA LOGIC
PRINTRONIX 140386-001 PRINTRONIX P6080 PCBA LOGIC
COMPAQ 190711-002 CL DRIVE INTERFACE BOARD KIT
HP A9794A HPTC CLUSTER SVR 900MHZ BASE SYSTEM
HP A9794B INTEGRITY RX2600 CLUSTER SERVER
DEC DLMT2-MA MULTISWITCH FAST ETHERNET HUB 924TX DLMT2-
DEC 54-24385-01 ALPHA SERVER 2100 4 SLOTT
DEC 54-23289-01 DAGGA-CA CLOCK CARD
DEC M7553 Q BUS INTERFACE
HEWLETT PACKARD C7707A HP DIGITAL SENDER 8100C *NEW*
SUN 370-6152 USB/FIREWIRE OPTION MODULE FOR SUNPCI III
DEC M7554-00 KDJ11-DA CPU 15MHz, 512-Kbyte RAM, 2 SLUs
ADIC FASTSTOR 22 DLT8000 LVD/SE.LR TAPE 40-5008-04
QUANTUM 6221710-21 ROBOTIC CONTROLLER W/ MEMORY
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HP A9795A 2 X 1.3GHZ ITANIUM CPUs “no HD,no Memory”
COMPAQ 102142-001 KBD/MSE/LAN/VGA PCI CONTROLLER
COMPAQ 157925-001 6-SLOT PCI RISER CARD
COMPAQ 154996-001 M2200 STRWS ENCLOSURE ONLY
COMPAQ 164098-001 CPQ HUB,12 PORT MANAGEMENT MODULE
COMPAQ 166861-001 PS/2 TWO-BUTTON MOUSE
COMPAQ 188407-001 PROLIANT 4500 POWER SU-
COMPAQ 190211-001 STORAGEWORKS 4354R ULTRA3 RACKMOUNtab
COMPAQ 175312-001 PASS-THROUGH MECHANISM
COMPAQ 231674-001 MSL5026 BACKPLANE WITH CAGE
COMPAQ 222093-001 CPQ SAN SWITCH16-EL PORT FIBRE CHANNE
COMPAQ 177778-001 FC-AL SWITCH 3-PORT EXPANSION
COMPAQ 212776-B21 CPQ SAN SWITCH16-EL PORT FIBRE CHANNE
COMPAQ 194700-001 FC-AL SWITCH 3-PORT EXPANSION
COMPAQ 340845-001 TL895 TAPE DRIVE MUX BOARD
COMPAQ 323386-001 MEDIA SERVICE MODULE
COMPAQ 3R-A0409-AA 9.1GB 10K RPM WULTRA3 SCSI*NEW
COMPAQ 3X-DEPVD-AA VIDEO/ETHERNET HOST ADAPTER
CRAY 905-5242-302 CRAY EXTERNAL SNMP DIRECT ACCE
COMPAQ D4304-60001 PRIORIS CPU MODULE
COMPAQ DS-DSGGC-AB CPQ SAN SWITCH16-EL PORT FIBRE CHANN
DATA SYSTEMS DLP-11 DATASYSTEMS DLP-11 MODULE
DEC 54-09742-01 TS11 DEAD POSITIONER
DEC 54-09484-01 POWER REGULATOR TS11
DEC 54-19375-03 APPLICATION PROCESSOR
DEC 30-50846-01 VIDEO/ETHERNET HOST ADAPTER
DEC 54-11040-00 H767 POWER SUPPLY CAP
DEC 54-11681-00 DEC MODULE
DEC 54-19811-00 KNO2 VS5000-200 CPU
DEC 54-11668-01 DEC DISTRIBUTION BOARD
DEC 54-22122-01 DEFGL-AA
DEC 54-19379-01 DEFCN BACKPLANE
DEC 54-23302-21 ALPHA SERVER CONTROL
DEC 54-21209-01 SF35 REGULATOR MODULE
DEC 54-23347-01 UNIV I/O BOARD
DEC 54-24544-02 MOTHERBOARD
DEC 54-24197-01 DAGWG-AA GIGASWITCH
DEC 54-22649-01 ALPHA VME 2100 12V CONVER
DEC 54-22639-01 ALPHA VME 2100 VOLTAGE
DEC 54-23211-01 INTERFACE CARD OUT OF
DEC 54-24289-01 ZLXP-L1 24-PLANE GRAPHICS MOD.
DEC 54-24389-01 ALPHA 2100 SIO MODULE
DEC 54-23606-02 PCI/ISA DELTA MAIN BOARD
DEC 70-13628-00 KA780 CPU BACKPLANE VAX ASSY
DEC 54-24799-01 AS1000A 5/400 CPU MOD..REV E01
DEC 54-24548-02 BOARD
DEC 54-25109-01 REG CONTROLLER DAUGTHER C
DEC 54-24546-02 DAUGHTHER BOARD
DEC 70-12912-00 H767 POWER SUPPLY CAP
DEC 70-23125-02 HSC90 SCSI REAR DOOR ASSY
DEC 54-25092-AA DEC MEMORY 64 MB DIMM
DEC 70-32835-02 HSZ CACHE MODULE GRAY BEZ
專業(yè)銷售進(jìn)口DCS? PLC系統(tǒng)備件模塊
PLC模塊，可編程控制器，CPU模塊，IO模塊，AI模塊，通訊模塊。AB/施耐德/ABB/GE/本特利/西屋/英維斯/霍尼韋爾/黑馬/FU克斯波羅
15天包退換 一年質(zhì)保 大量現(xiàn)貨? 國內(nèi)實(shí)力庫存商家
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