描述
RINT5611C
隨著現(xiàn)場(chǎng)總線技術(shù)的出現(xiàn)和成熟,促使了控制系統(tǒng)由集散控制系統(tǒng)(DCS)向現(xiàn)場(chǎng)總線控制系統(tǒng)(FCS)的過渡。在一般的FCS系統(tǒng)中,遵循一定現(xiàn)場(chǎng)總線協(xié)議的現(xiàn)場(chǎng)儀表可以組成控制回路,使控制站的部分控制功能下移分散到各個(gè)現(xiàn)場(chǎng)儀表中。從而減輕了控制站負(fù)擔(dān),使得控制站可以專職于執(zhí)行復(fù)雜的高層次的控制算法。對(duì)于簡(jiǎn)單的控制應(yīng)用,甚至可以把控制站取消,在控制站的位置代之以起連接現(xiàn)場(chǎng)總線作用的網(wǎng)橋和集線器,操作站直接與現(xiàn)場(chǎng)儀表相連,構(gòu)成分布式控制系統(tǒng)。
分布式的FCS系統(tǒng)比DCS系統(tǒng)更好地體現(xiàn)了“信息集中,控制分散”的思想。與傳統(tǒng)的DCS相比,F(xiàn)CS有其自身的特點(diǎn)。FCS系統(tǒng)具有高度的分散性,它可以由現(xiàn)場(chǎng)設(shè)備組成自治的控制回路?,F(xiàn)場(chǎng)儀表或設(shè)備具有高度的智能化與功能自主性,可完成控制的基本功能,并可以隨時(shí)診斷設(shè)備的運(yùn)行情況。另外,F(xiàn)CS的結(jié)構(gòu)比DCS簡(jiǎn)化。有的FCS系統(tǒng)省略了DCS中控制站這一層,操作站直接與現(xiàn)場(chǎng)儀表相連。這些使FCS的可靠性得到提高。
現(xiàn)場(chǎng)總線系統(tǒng)具有開放性。系統(tǒng)對(duì)相關(guān)標(biāo)準(zhǔn)具有一致性、公開性,強(qiáng)調(diào)對(duì)標(biāo)準(zhǔn)的共識(shí)與遵從。通信協(xié)議一致公開,各不同廠家的設(shè)備之間可實(shí)現(xiàn)信息交換,通過現(xiàn)場(chǎng)總線可構(gòu)筑自動(dòng)化領(lǐng)域的開放互連系統(tǒng)。系統(tǒng)的開放性決定了它具有互操作性和互用性?;ゲ僮餍灾富ミB設(shè)備間、系統(tǒng)間信息傳送與溝通;而互用則意味著不同生產(chǎn)廠家的性能類似的設(shè)備可實(shí)現(xiàn)相互替換。作為工廠網(wǎng)絡(luò)底層的現(xiàn)場(chǎng)總線還對(duì)現(xiàn)場(chǎng)環(huán)境有較強(qiáng)地適應(yīng)性。它支持雙絞線、同軸電纜、光纜、無線和電力線等,具有較強(qiáng)的抗干擾能力。
由于結(jié)構(gòu)上的改變,F(xiàn)CS比DCS更節(jié)約硬件設(shè)備。使用FCS可以減少大量的隔離器、端子柜、I/O卡及I/O端口,這樣就節(jié)省了I/O裝置及裝置室的空間;同時(shí)減少了大量電纜,可以極大地節(jié)省安裝費(fèi)用。與此同時(shí),F(xiàn)CS比DCS性能有所提高。由于免去了D/A與A/D變換,使儀表精度得到極大的提高;通過將PID功能植入到相應(yīng)的智能傳感器中去,使控制周期大為縮短。目前FCS可以從DCS的每秒調(diào)節(jié)2~5次增加到每秒調(diào)節(jié)10~20次,改善了調(diào)節(jié)性能。FCS控制系統(tǒng)與DCS控制系統(tǒng)結(jié)構(gòu)比較見
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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Fuji VME bus VM1610 (video card)
FUJI VME IS70B SERVO BOARD
FUJI AVAL VME-520 MCIF-16 BOARD CARD
Fuji VME bus VM1220 with 8 ot of 16 chips
FUJI AVAL VME-520 MCIF-16 BOARD CARD GOOD CONDITION
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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imagenation PX-610 4-port PCI frame grabber board
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Raritan Video Frame Grabber PCI Board 1650–80-1010
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
NEW ASTeX 5kW 2.0 MHz Variable Source RF Generator MKS
APPLIED MATERIALS – 0190-09265 – ASTEX, OZONATOR WAVE
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ASTEX A2500 MICROWAVE PLASMA GENERATOR
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Astex AX7610-4 Chemical Downstream Plasma Source
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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0190-00398 CONTROLLER MICROWAVE ASTEX
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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
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ASTEX D13449 Magnetron Head 3.5KW 2450 MHz Centura AMAT
MKS ASTEX 3.5KW MAGNETRON HEAD D13449 RF CENTURA AMAT
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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
Astex AX8500 Pall PFA Gaskleen Filter
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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
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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
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USED Perceptron 147 Serial Board 495-0102-01 031594-004
USED Perceptron 147 Serial Board 495-0102-01 093097-003
USED Perceptron 96K DSP Frame Grabber 495-0117-03
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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? 國內(nèi)實(shí)力庫存商家