描述

1794-IRT8

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(kāi)銷(xiāo)也大大地降低。現(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)。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(kāi)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(kāi)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(kāi)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(méi)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。

（1）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(kāi)發(fā)和測(cè)試帶來(lái)難度。這在一定程度上造成產(chǎn)品開(kāi)發(fā)商、生產(chǎn)商少，產(chǎn)品品種單一而且價(jià)格昂貴。

（2）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。

（3）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(mén)子，摩托羅拉，安川。力士樂(lè)。ACSO，橫河等進(jìn)口品牌。 專業(yè)銷(xiāo)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(xiāo)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

Seiko Seiki STP-301CB1 Turbo Pump & SCU-21D controller

ADVANCED ENERGY RFG-1250 HALO

DPS II RF Source Matching Network (0190-15168)

ADVANCED ENERGY PDW 2200 AE PDW 2200 LAM 660-015516-014

COMDEL CPS1001S 13.56mhz RF GENERATOR P/N 0190-70099

COMDEL CLX-2500 RF GENERATOR

COMDEL CLX2500 RF GENERATOR PART # FP1335R4

ADVANCED ENERGY PDW 2200 AE 3156011 Lam 853-015516-002

COMDEL CX1250S RF POWER SUPPLY

COMDEL CPS-500AS RF POWER SOURCE AMAT P/N 0190-13320

AMAT PART # 0200-20060 INSULATING QUARTZ 6″ SMF PC11

THERMCO PCB ASSEMBLY PART # 110568-005 Z-80 PROCESSOR

NOVELLUS NICKEL SPINDLE SHAFT

AMAT PART # 0200-35145 ADAPTER WINDOW 2mm RP CHAMBER

ADVANCED ENERGY PDX 500 RF GENERATOR

LAM PART # 770-008341-002 PNEUMATIC CYLINDER

AMAT PART #0200-20074 DOOR PRECLEAN CHAMBER QUARTZ

AMAT PART # 0020-24435 INSULATOR QUARTZ 8″

PARKER THREE WAY VALVE MODEL # 955Y3NC

THREE WAY VALVE AMAT PART # 3870-02221

NOVELLUS ANALOG INPUT PCB SLOT 6 PART # 19-00126-00

AMAT PART # 0200-35539 200mm BLADE ROBOT QTZ w/RADIUS

AMAT ENDURA COVER RING PART # 0020-24804

CENTURA SLIT VALVE DOOR PART # 0021-09922

AMAT PART # 0200-10455

NOVELLUS THERMOCOUPLE UNIT PART # 03-10411-00

LAM ESC POWER SUPPLY DISTR. PCB PART # 810-370141-001

AMAT PART #0020-29343 DARK SPACE SHIELD CLAMP

AMAT PORT SERVER CABLE PART # 0140-77615

AMAT PART # 0200-76019 10N SHIELD LIFT

AMAT PART # 0200-32985 GAS RING 12 HOLES

MKS ISOLATION VALVE MODEL # L2-40-AK-225-VN?VNH

AMAT PART 0020-19002

LAM GATE HEAD IONIZED PART # 715-012233-003

VEXTA STEPPING MOTOR MODEL PX243-01B

LAM 6 ” SPIN CHUCK PART # 715-013718-006

AMAT PART # 0200-09086

SLOW VACUUM VALVE MODEL # FPR-91-9.52

PEDESTAL VACUUM PRESSURE SWITCH PART # 0090-77032

LAM RESEARCH BAFFLE PLATE LOWER PART # 715-011913-083

USHIO 100W Merqury Short Lamp

AMAT PART # 0020-21944 8″ QTZ PRECLEAN PLATE

CERAMIC LIFT PIN/SHORT PART # 0200-10162

796-00809 ANGLE VALVE REBUILD KIT

CONN ADPTR MTG QDS-UL(F)/QC(M) AMAT PART # 0020-04376

LIFT PIN, .090, SIMPLE CATH AMAT PART # 0021-10566

AMAT PART # 0200-35224 VIEWPORT WINDOW

AMAT PART # 0200-35160

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
JUMPER 4PIN CONN, GEN RACK EMO AMAT PART# 0150-20143

GASKET WINDOW AMAT PART # 0190-09061

QTY 28 NEW 3COM 1681-0 ISOLAN TP TRANSCEIVER 3C16810

60x 50/125 15′ FIBER OPTIC CABLES W/ODD CONNECT. SC-SC?

SQUARE D ATV58FHD28N4 ALTIVAR 58 AC DRIVE 25HP 18.5KV

NEW SHENICK DIVERSIFEYE 8400 IP TESTER 8 SLOT CHASIS

BRUNSWICK MARINE P/A QUICKSILVER SEAWATER FILTER 860603

13204′ NEW CORNING FIBER OPTIC FURCATION/FAN-O?UT TUBING

NEW ROFIN LASER SOFTSTART UNIT SLABLASER 1500-6000 WATT

NEW LOT OF 105 VARIOUS MARS MOTOR RUN CAPACITORS

500′ 5-mini coax HD Video/Broadcast Cable RGBHV/HRXFP

AMAT APPLIED MATERIALS 0021-25014 DISK SHUTTER BESC PIN

NEW GILBARCO PARTS K93682 FIRMWARES/ SWITCH MEMBRANES++

SIEMENS 3-POLE 3RV 30A CIRCUIT BREAKER 3RV1742-5ED10

NEW 3300′ SPOOL HERAEUS HIGH TEMP. NICKEL SENSOR CABLE

NEW 1000′ SPOOL BELDEN 82262 877 RG62/U 93Ω COAX CABLE

48 NEW HAMILTON SCHOOLMATE HA7 STEREO/MONO HEADPHONES

QTY 200 CHROME SIDE TANK MOUNT TOILET FLUSH HANDLES

25 RFS CELLFLEX SCF12-011 HARDLINE CONNECTORS COAX 1/2″

QTY 593 NEW EVIDENCE GRADE CD-R CDR DISKS 80MIN 700MB

500′ SPOOL 15 CONDUCTOR 24 GAUGE COMPUTER CABLE C0746A

NERA 5GHz HIGH POWER TRANSCEIVER FOR EVOLUTION ODU?

NEW AMAT APPLIED MATERIALS GAS DISTRIBUTION PLATE, 133

SPEAKMEN SEF-1800 COMBINATION FAUCET/ EYEWASH STATION

WirelessLogix OPTis Autonomous EVDO OPTisRD HSP01 GPS

INTRUDALERT 5500 SECURITY CENTRAL CONTROL SYSTEM UNIT

LUCENT STINGER STGRRTI-LIM-T1-?8 CARD /BOARD /MODULE

NICE NORTEL MERIDIAN 2.5GB TAPE DRIVE UNIT NT6D45CA

GOOD NERA 23GHz FU23AAA0A-11UA EVOLUTION SERIES ODU

NICE NORTEL NT3921GE 824-849MHZ 800 BAND FULL DUPLEXER

BELL & GOSSETT 650PF 208V DUAL 115V PUMP CONTROLLER

NEW AMAT APPLIED MATERIALS VALVE GATE SEAL 35 x 336mm

SPELLMAN CA354-01202 HVSC CA356-00115 X-RAY COMPONENT?

NEW ADC ANALOG DEVICE CONTROLLER ZITON MADULA ZM2 ZM8

80 HP UNIVERSAL MONOCHROME LY CHIP /SMARTCHIP XHU1324LY

AMAT APPLIED MATERIALS CHAMBER EXHAUST POCKET SHIELD

QTY 10 NEW ABB B6 MINI CONTACTORS B6-22-00-80 240V

40 NEW TRENDNET TEW-L202 LMR200 WIRELESS ANTENNA CABLES

NEW COGNITIVE CXI 4″ DIRECT THERMAL PRINTER CXD4-1300

NEW MATRIX ACD3X TX5 TREADMILL MOTOR CONTROL 110V

QTY 20 NEW TYCO ACC338UMM20 MAGNETIC CONTACTORS 30A 3P

1000′ 18/4 18 GAUGE 4C CL3P/CMP COMMUNICATIONS CABLE

HUBBELL OPTICHANNEL FCR350SP54R RACK MOUNT ENCLOSURE

ACCQCOMM TELEDYNE ADFM DIGITAL INTERFACE MONITOR MODULE

ALCATEL-LUCENT/ ANDREW UMTS BTS 1120 BASE STATION

NEW UNDERMOUNT BATHROOM SINK W/CHROME WIDESPREAD FAUCET

QTY 5 NEW HUBBELL 17kV MCOV ELBOW ARRESTERS 225ELA21

NEW STERLING THREAD ROLLING DIE SET 1/2-20 UNR X8

ASTEC 73-553-0005 380V IN/ 600W 5V POWER MODULE

1500 SENSORMATIC MICROGATOR HARD SECURITY TAGS

GAMEWELL DACT-E3 DIGITAL ALARM COMMUNICATOR TRANSMITTER

ANDREW RF TOWER MOUNTED AMPLIFIER E15Z01P05 TMA 1900

NEW 405′ SPOOL CELOX INTERNAL CABLE 4C FIRE RESISTANT?

HARLEY OEM MOUSE TRAP CLUTCH COVER CHROME 1952 KNUCKLEH

KYOCERA 2FA93021 FUSER / FIXING ASSY FOR KM-7530 COPIER

48x PRIORI 043J-BR1 Junction Box 4/Under Cabinet Lights

4 ERTELALSOP DISC-PAK LIQUID FILTERS CARTRIDGES 11-1/4″

SPOOL SLATE 100′ ALPHA 3247 3C 600V 16AWG CABLE/WIRE

SPOOL SLATE 100′ ALPHA 3248 4C 600V 16AWG CABLE/WIRE

40 NEW VIASYSTEMS KALEX BLANK PRINTED CIRCUIT BOARDS

NEW Transition Networks CFETF1014-105 Converter Module

COOPER WHEELOCK SAFEPATH 4 REMOTE MICROPHONE STATION

15 NEW KIDDE 60-9196984-000 Co2 SYSTEM BRASS VENT PLUGS

NICE MOTOROLA X502 INTEGRATED SITE CONTROLLER CLN1441B

1000′ SPOOL ALPHA 1292C COMMUNICATIONS CABLE 2C/22AWG

6 NEW GE CMH70/U/830/MED 70W CERAMIC METAL HALIDE BULBS

NEW LS PHOTO STUDIO PRO 2 LIGHT & 3 MUSLIN BACKDROP KIT

JUKI MC-9 SEWING MACHINE VACUUM/FILTER ATTACHMENT KIT

NEW AMETEC 24319810 CONTROL PANEL BOARD TNCTM100KIAL

QTY 72 NEW PHILIPS 4-WAY GOLD COAXIAL CABLE SPLITTERS

NORTEL PERIPHONICS TPPB-1000 NTV15631E5 DTC MODULE

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

NEW 1000′ SPOOL ESSEX 18AWG SERIES 6 HDTV COAX CABLE

NORTEL NORSTAR/LUCENT NTAX88CA PCB BOARD/CARD NTAX88

CASE GENUINE MONARCH 1136 RED PRICE GUN LABELS WITH INK

40 ROLLS AIRTECH VACUUM BAGGING SEALING TAPE 1/2″ x 25′

10 NEW DINEX DX1S03D SOLAR SERVER CAFETERIA TRAYS IVORY

Furness Controls Flow Master Model 200

EUROTHERM 590 LINK CARD LINK 590LDC/00/000 NEW

COGNEX VISION LASER CAMERA VPM-8100LVQ-000?-P NEW (NIB)

Siemens 6GK7343-1EX21-0?XE0 6GK7 343-1EX21-0XE0 NIB

RENISHAW MP1S PROBE ASSY IMM ASSY NIB!!!

Omron 3G8B3-M0020 1S M0020

OMRON! SYSMAC PLC CS1W-EIP21 ETHERNET UNIT NEW !

OMRON SYSMAC C500-CP131 Cam position Unit New No Box

NEWPORT M-UZM80PP.1 MOTORIZE VERTICAL TRANSLATION STAGE

Mitsubishi PLC FX3UC-32MT-LT FX3UC-4AD FX2NC-64ET Nice!

OMRON REMOTE I/O UNIT C200H-RT201 C200HRT201 NIB (NEW)!

Allen Bradley 1756-OF8 1756OF8 Analog Output New!

MITSUBISHI MELSEC Q SERIES QJ71LP21-25 DATA LINK NIB

Mitutoyo Linear Gage LGF-525L-B & Display EG-101P NIB

HP Agilent E5036A Filter Matrix VXI Module

OMRON C1000HF-CPUA1-V?1 C1000HFCPUA1V1 CPU NIB ( NEW )!

NIB YOKOGAWA PS31 PS31*A DCS Power Supply Card Offer!

SIEMENS SIMATIC S5 CPU 6ES5-942-7UA12 PLC Offer!

Siemens 6GT2 002- 0EB20 6GT2002-0EB20 Moby MOD NIB FS!

Panasonic Nais PLC FP2-C3P, FP2-DA4, FP2-PP4 Complete !

Panasonic Nais PLC FP2-C2, FP2-DA4, FP2-SDU Complete !!

Siemens HMI Operator Panel 6AV6 641-0CA01-0AX1 New “FS”

Panasonic Servo MSDA041D1A & Motor MSMA041C1C 400W LNC

Siemens Simatic Net CP 6GK7343-1CX10-0?XE0 New

Mitsubishi Melsec PLC FX2N – 64MT – 001 LNC !

NIB YOKOGAWA LCS*C Loop Communications Card Offer!

NIB YOKOGAWA VM1 VM1*D DCS Analog I/O Card Offer!

專業(yè)銷(xiāo)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