描述
P0973JN
由于現(xiàn)場(chǎng)總線的以上特點(diǎn),特別是其系統(tǒng)結(jié)構(gòu)的簡(jiǎn)化,使其從設(shè)計(jì)、安裝、投運(yùn)到正常生產(chǎn)運(yùn)行及檢修維護(hù),都體現(xiàn)出優(yōu)越性。它不僅節(jié)省了硬件數(shù)量與投資,節(jié)省了安裝費(fèi)用,而且系統(tǒng)的維護(hù)開銷也大大地降低?,F(xiàn)場(chǎng)總線控制系統(tǒng)不僅精確度與可靠性高,在方便使用和維護(hù)性方面,F(xiàn)CS也比DCS有優(yōu)勢(shì)。FCS使用統(tǒng)一的組態(tài)方式,安裝、運(yùn)行、維修簡(jiǎn)便;利用智能化現(xiàn)場(chǎng)儀表,使維修預(yù)報(bào)(Predicted maintenance)成為可能;由于系統(tǒng)具有互操作性和互用性,用戶可以自由選擇不同品牌的設(shè)備達(dá)到最佳的系統(tǒng)集成,在設(shè)備出現(xiàn)故障時(shí),可以自由選擇替換的設(shè)備,保障用戶的高度系統(tǒng)集成主動(dòng)權(quán)。此外,它還具有設(shè)計(jì)簡(jiǎn)單,易于重構(gòu)等特點(diǎn)。發(fā)展趨向
傳統(tǒng)的集散控制系統(tǒng)(DCS系統(tǒng))具有集中監(jiān)控、分散控制、操作方便的特點(diǎn)。但是,在實(shí)際應(yīng)用中也發(fā)現(xiàn)DCS的結(jié)構(gòu)存在一些不足之處,如控制不能做到徹底分散,危險(xiǎn)仍然相對(duì)集中;由于系統(tǒng)的不開放性,不同廠家的產(chǎn)品不能互換、互聯(lián),限制了用戶的選擇范圍。利用現(xiàn)場(chǎng)總線技術(shù),開發(fā)FCS系統(tǒng)的目標(biāo)是針對(duì)現(xiàn)存的DCS的某些不足,改進(jìn)控制系統(tǒng)的結(jié)構(gòu),提高其性能和通用性。
FCS想要在實(shí)際中取代DCS,既要具備DCS所具有的功能,又要能克服DCS的缺點(diǎn)。FCS由于采用了現(xiàn)場(chǎng)總線技術(shù),在開放性、控制分散等方面優(yōu)于傳統(tǒng)DCS。但是由于它是一種新技術(shù),目前連標(biāo)準(zhǔn)本身都還沒有制定統(tǒng)一,因此FCS與成熟的DCS相比,還存在下列的一些欠缺。
由于現(xiàn)場(chǎng)總線標(biāo)準(zhǔn)本身尚在發(fā)展中,從而給產(chǎn)品的開發(fā)和測(cè)試帶來(lái)難度。這在一定程度上造成產(chǎn)品開發(fā)商、生產(chǎn)商少,產(chǎn)品品種單一而且價(jià)格昂貴。
在某些場(chǎng)合中,F(xiàn)CS還無(wú)法提供DCS已有的控制功能。由于軟硬件水平的限制,其功能塊的功能還不是很強(qiáng),品種也不夠齊全;用現(xiàn)場(chǎng)儀表還只能組成一般的控制回路如單回路、串級(jí)、比例控制等,對(duì)于復(fù)雜的、先進(jìn)的控制算法還無(wú)法在儀表中實(shí)現(xiàn),對(duì)于單回路內(nèi)有多輸入、多輸出的情況缺乏好的解決方案。
目前FCS成功的應(yīng)用實(shí)例不多,難以評(píng)估實(shí)際應(yīng)用效果。由于以上這些原因,F(xiàn)CS取代DCS將是一個(gè)逐漸的過(guò)程。在這一過(guò)程中,會(huì)出現(xiàn)一些過(guò)渡型的系統(tǒng)結(jié)構(gòu),如在DCS中以FCS取代DCS中的某些子系統(tǒng)。用戶將現(xiàn)場(chǎng)總線設(shè)備連接到獨(dú)立的現(xiàn)場(chǎng)總線網(wǎng)絡(luò)服務(wù)器,服務(wù)器配有DCS中連接操作站的上層網(wǎng)絡(luò)接口,與操作站直接通信。在DCS的軟件系統(tǒng)中可增添相應(yīng)的通信與管理軟件。這樣不需要對(duì)原有控制系統(tǒng)作結(jié)構(gòu)上的重大變動(dòng)。
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(shì)價(jià)格,大量現(xiàn)貨。
主營(yíng)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(guó)內(nèi)實(shí)力庫(kù)存商家
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FUJI VME IS70B SERVO BOARD
FUJI AVAL VME-520 MCIF-16 BOARD CARD
Fuji VME bus VM1220 with 8 ot of 16 chips
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FUJI SHARP VME BUS VISION CPU MODULE VM1110TA
FUJI SHARP VME BUS VISION CAMERA MODULE VM1710
FUJI SHARP VME BUS VISION MEMORY MODULE VM1220
FUJI SHARP VME BUS VISION SERVO MODULE VM1911
FUJI SHARP VME BUS VISION MEMORY MODULE VM1931
FUJI SHARP VME BUS VISION MODULE VM1540A
FUJI SHARP VME BUS VISION VIDEO MODULE VM1610
FUJI SHARP VME BUS VISION POWER SUPPLY MODULE VM1911
FUJI SHARP VM1710 SMT VME BOARD CARD GOOD CONDITION
Perceptron Frame Grabber Board 495-0191 #29401
Perceptron Frame Grabber Board 495-0191 #29402
Perceptron Frame Grabber Board 495-0191-00 #29410
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PC-Vision PCI FRAME GRABBER BOARD PCV16530 TDA D0013
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ASTeX SmartMatch / P/N: FI20045 – ONE-YEAR Warranty
Astex-5254 Continuous Fusing System.
AMAT 0190-09437 ASTEX 8200A OZONE GENERATOR 90DAY WARR
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APPLIED MATERIALS – 0190-09265 – ASTEX, OZONATOR WAVE
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ASTEX A2500 MICROWAVE PLASMA GENERATOR
ASTeX MKS GENERATOR OZONE SEMOZON 14-6008-00 90.2 XP
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ASTEX AX2050-3 MICROWAVE POWER GENERATOR 90DAY WARR
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AMAT ASTEX SMARTMATCH TUNER GUIDE FI20166 3750-01147
ASTEX AX8200E Ozone Generator – GREAT CONDITION
NEW MKS/Astex WG21100 Water-Cooled Dummy Load
REFURBISHED ASTeX MAGNETRON HEAD D13449
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MKS ASTeX S-1500i: 1500 Watt Microwave Power Generator
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0190-00398 CONTROLLER MICROWAVE ASTEX
MKS AX8500 Delivery System Astex Control Interface
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ASTEX CPS SMARTMATCH (SM) P/N FI10001 rev z
Lam P/N: 685-097949-001 rev. B
Astex Power Distribution AS06485
ETO HV CAPACITOR BANK ABX-X284 Astex MKS
ASTEX ATL-100RA MATCH ATL100RA 500W, 350KHz
Astex AX2050-3 Microwave Power Generator
Astex AX7610-5 Chemical Downstream Plasma Source
ASTEX TS90 0190-09246 WAVE GUIDE COUPLER REV. P3
Astex magnetron head (MH) P/N FI10002-R Rev 1M
Lam P/N 660-097960R001 Rev. B
Astex D12691 MKS Microwave Plasma Detector Power Supply
ASTeX D13449 3.5 kW Magnetron Head 2450 MHz AMAT 2006
ASTeX High Voltage Filter Bd. ABX-X494 AMAT 0190-01291
ASTEX HEAD,MAGNETRONC?ENTURA D13449
MKS Astex Ozone Controller
MKS Astex Power Distributor SA86306
ASTEX D13449 Magnetron Head 3.5KW 2450 MHz Centura AMAT
MKS ASTEX 3.5KW MAGNETRON HEAD D13449 RF CENTURA AMAT
ASTEX AX3030 CIRCULATOR HEAT REDUCER
ASTeX Power Supply LCS-5500-7KVP
ASTEX/APPLIED SCIENCE F120194 REV.1A MAGNETRON HEAD
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ASTEX DC7CRPUG 0190-09272 WAVE GUIDE COUPLER REV. P1
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ASTEX 0010-37735 NSPP 001037735
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PERCEPTRON 911-0008 USPP 9110008
PERCEPTRON 911-0018 USPP 9110018
PERCEPTRON 9110017 USPP 9110017
PERCEPTRON 911-0011 USPP 9110011
PERCEPTRON 9110014 USPP 9110014
PERCEPTRON 912-0013 USPP 9120013
PERCEPTRON 911-0010 USPP 9110010
PERCEPTRON 912-0007 USPP 9120007
PERCEPTRON 912-0010 USPP 9120010
PERCEPTRON 912-0011 USPP 9120011
PERCEPTRON 912-0020 USPP 9120020
PERCEPTRON 912-0021 USPP 9120021
PERCEPTRON 911-0004 USPP 9110004
PERCEPTRON 911-0007 USPP 9110007
PERCEPTRON 912-0008 USPP 9120008
PERCEPTRON 911-0052 USPP 9110052
PERCEPTRON 911-0053 USPP 9110053
Perceptron Digital Tricam Camera Sensor 916-4101
PERCEPTRON TRICAM DIGITAL 2
USED Perceptron 390-0049 Enna 17″ Monitor 0520776002
PERCEPTRON 495-0191 FRAME GRABBER CARD 96K DSP NEW
Perceptron 916-4128 Digital Contour Sensor Camera
PERCEPTRON 495-0191 USPP 4950191
PERCEPTRON CAMERA TRICAM SURFACE SENSOR 912-0014
PERCEPTRON CAMERA TRICAM CONTOUR SENSOR 911-0007
PERCEPTRON CAMERA TRICAM SURFACE SENSOR 912-0007
PERCEPTRON CAMERA TRICAM SURFACE SENSOR 912-0015
PERCEPTRON CAMERA TRICAM SURFACE SENSOR 912-0017
Perceptron Processor Board 495-0191 Frame Grabber 29400
Perceptron Frame Grabber Board 495-0191 #29401
Perceptron Frame Grabber Board 495-0191 #29402
Perceptron Frame Grabber Board 495-0191-00 #29410
Perceptron DSP Frame Grabber 495-0191 96K #29411
USED Perceptron 96K DSP Frame Grabber 495-0191 Rev R
USED Perceptron 147 Serial Board 495-0102-01 031594-004
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USED Perceptron 96K DSP Frame Grabber 495-0117-03
Perceptron VMEGrapher 495-0092 VGA Graphics System Card
PERCEPTRON 495-0102-01 USPP 495010201
PERCEPTRON 495-0092 USPP 4950092
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(guó)內(nèi)實(shí)力庫(kù)存商家