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全球配送

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集散控制系統(tǒng)（Distributed Control System－DCS）集計(jì)算機(jī)技術(shù)、控制技術(shù)、通信技術(shù)、CRT技術(shù)于一體，廣泛應(yīng)用于生產(chǎn)過(guò)程控制系統(tǒng)。隨著計(jì)算機(jī)和網(wǎng)絡(luò)技術(shù)的飛速發(fā)展，產(chǎn)生了一種新型的控制系統(tǒng)———現(xiàn)場(chǎng)總線控制系統(tǒng)（Fieldbus Control System－FCS）。但國(guó)內(nèi)生產(chǎn)企業(yè)的情況是：大多數(shù)企業(yè)還處于模擬儀表和人工控制的階段，采用DCS控制系統(tǒng)的企業(yè)仍是少數(shù)。由于DCS應(yīng)用廣泛、技術(shù)成熟，在現(xiàn)有的技術(shù)條件和市場(chǎng)條件下，F(xiàn)CS還不能完全取代DCS，而且目前現(xiàn)場(chǎng)總線設(shè)備和系統(tǒng)還十分昂貴。因此，除了新建企業(yè)外，國(guó)內(nèi)企業(yè)在較長(zhǎng)時(shí)間不可能全面采用現(xiàn)場(chǎng)總線技術(shù)，而必須走逐步發(fā)展、過(guò)渡的道路。 ??我們?cè)谏虾Ｊ�化股份公司環(huán)保部水質(zhì)凈化廠監(jiān)控系統(tǒng)的改造項(xiàng)目中，對(duì)3個(gè)生產(chǎn)單元已有的DCS和PLC進(jìn)行改造，增加通信功能，實(shí)現(xiàn)總調(diào)度室對(duì)各生產(chǎn)裝置的集中監(jiān)控。 2?系統(tǒng)改造方案??   根據(jù)水質(zhì)凈化廠各生產(chǎn)單元的功能和建設(shè)階段，分為廠外調(diào)節(jié)池、污水一段、氧化溝、四期污水處理、污泥脫水、污泥干化6個(gè)生產(chǎn)單元。另外，在廠部設(shè)有總調(diào)度室，但是總調(diào)度室的監(jiān)控水平較為落后，改造之前基本上不能對(duì)各個(gè)生產(chǎn)單元進(jìn)行監(jiān)控。為了適應(yīng)生產(chǎn)需要，提高生產(chǎn)效率，改善操作條件，加強(qiáng)監(jiān)控手段，確保各生產(chǎn)裝置的正常運(yùn)行，急需對(duì)各生產(chǎn)單元和總調(diào)度室進(jìn)行技術(shù)和設(shè)備的更新改造，從而能在總調(diào)度室對(duì)各裝置進(jìn)行監(jiān)視管理，及時(shí)了解各裝置的運(yùn)行情況，達(dá)到指揮及時(shí)和調(diào)度準(zhǔn)確的目的。 2．1?現(xiàn)場(chǎng)監(jiān)控系統(tǒng)的改造 ??現(xiàn)場(chǎng)監(jiān)控系統(tǒng)的改造要充分利用原有儀表和設(shè)備，主要考慮可靠性和實(shí)時(shí)性。首先對(duì)自控程度較高的3個(gè)單元進(jìn)行改造（系統(tǒng)結(jié)構(gòu)見圖2—1）： ??四期污水處理生產(chǎn)單元控制設(shè)備配置了兩套ALLEN－BRADELY公司PLC設(shè)備。25塊開關(guān)量輸入信號(hào)卡，可采集384點(diǎn)信號(hào)；7塊開關(guān)量輸出信號(hào)卡，可輸出112點(diǎn)信號(hào)；3塊模擬量輸入信號(hào)卡，可采集24點(diǎn)信號(hào)。兩套AB—PLC通過(guò)DH＋（數(shù)據(jù)高速通道）實(shí)現(xiàn)數(shù)據(jù)共享。在原有的現(xiàn)場(chǎng)控制計(jì)算機(jī)上分別增加以太網(wǎng)卡，通過(guò)以太網(wǎng)將實(shí)時(shí)數(shù)據(jù)送到總調(diào)度室處理。??輸出192點(diǎn)信號(hào)；1塊模擬量輸入信號(hào)卡，可采集8點(diǎn)信號(hào)。系統(tǒng)運(yùn)行采用遙控開關(guān)操作與全模擬流程盤顯示。在原有的Siemens S5－115UPLC上增加RS－232通訊模塊（CP524）和1臺(tái)現(xiàn)場(chǎng)操作站，用點(diǎn)對(duì)點(diǎn)方法連接，使PLC的數(shù)據(jù)通過(guò)現(xiàn)場(chǎng)操作站送到以太網(wǎng)上，與總調(diào)度室監(jiān)控計(jì)算機(jī)通信。但RS－232傳輸速率只有9600bps，操作站僅對(duì)現(xiàn)場(chǎng)起到監(jiān)視作用。

8370 TOKYO ELECTRON EDGE DETECTION UNIT BOX PN:BB81-002457-12 BB87-002604
17032 SHIBASOKU PCB HANDLER/PROBER/REMOTE BOX I/F PC252B
13447 APPLIED MATERIALS RR MANIFOLD, 0190-77472 W/ BURKERT US0F01 0020-78947
6418 AERA MFC, PRESSURE INSENSITIVE FCPIDA980C4V
4231 SMC 5-SLOT SOLENOID MANIFOLD BLOCK, VJ514MY VJ5343Y
8862 OMRON BASE UNIT W/ UNITS C200HW-BC081
4161 CKD SOLENOID VALVE AGD01R-4R
23257 APTECH BTU N2 PRESSURE REGULATOR  AP1810S
16284 SILICON GRAPHICS PCB, SGI XIO 4 PORT ETHERNET BOARD 030-0873-005
2707 ATAGO BUSSAN LASER RADIATION EMISSION INDICATOR GLS2165
5976 HARMONIC DRIVE HI-T DRIVE SERVO ACTUATOR RF-20-1703-BE050A0-SP
15412 PITTMAN DC GEAR MOTOR 24VDC, P/N: 12-8892-026 GM9413J820-R2
16122 APPLIED MATERIALS LINE,UPPER EXHAUST WXP CHAMBER A 0050-76667
15581 LAM RESEARCH WAFER HOLDER ARM, 8" 715-21936-8-1
17930 SANYO DENKI PM DRIVER PM-UDPC1A02-20
13490 APPLIED MATERIALS CABLE ASSY, POWER CORD EXT 0150-12779
13990 APPLIED MATERIALS BELT COVER,SCRUBBER,300MM HVM 0040-706740020-36019
15058 APPLIED MATERIALS TOOL CAL 101 LIFT TO ROBOT 0270-20152
16183 APPLIED MATERIALS EXHAUST LINE, CH A/B GOOSENECK 0050-37556
12492 APPLIED MATERIALS PCB ASSY HEAD PENUMATIC (TITAN) W/ 0020-78718 0100-77040
B49 TYLAN GENERAL CDG ADAPTER UNIT HPC-20(HI-TEMP)
4674 TURN-ACT ROTARY ACTUATOR 022-1M1-400-T01
15412 PITTMAN DC GEAR MOTOR 24VDC, P/N: 12-8892-026 GM9413J820-R2
6112 MYKROLIS MFC TYLAN 2960 SERIES FC-2960MEP5
16122 APPLIED MATERIALS LINE,UPPER EXHAUST WXP CHAMBER A 0050-76667
15581 LAM RESEARCH WAFER HOLDER ARM, 8" 715-21936-8-1
17930 SANYO DENKI PM DRIVER PM-UDPC1A02-20
13490 APPLIED MATERIALS CABLE ASSY, POWER CORD EXT 0150-12779
13990 APPLIED MATERIALS BELT COVER,SCRUBBER,300MM HVM 0040-70674
14794 APPLIED MATERIALS BRACKET WAFER LIFT MAG COUPLED ROTATION 0020-36019
15058 APPLIED MATERIALS TOOL CAL 101 LIFT TO ROBOT 0270-20152
16183 APPLIED MATERIALS EXHAUST LINE, CH A/B GOOSENECK 0050-37556
9502 SANYO DENKI STEPPING MOTOR WITH ACTUATOR 103-540-0351
7259 HOKUYO AUTOMATIC OPTICAL DATA TRANSMISSION DEVICE DMG-HB1
20413 APPLIED MATERIALS PCB ASSY,SYSTEM STEPPER DISTRIBUTION BOARD 0100-20009
20865 COMPUTER BOARDS PCB, MULTIFUNCTION I/O BOARD CIO-DAS08
20965 TOKYO ELECTRON PCB, OPE-PANE SW BOARD 881-621010-1
622 RIKEN KEIKI GAS MONITOR, RKP-62069 GP-583
11583 ALLEN-BRADLEY COMPACT I/O, DEVICENET SCANNER MODULE 1769-SDN
9261 MEMBRALOX PALL FILTER ASSEMBLY MLOX05-900-1/4GS-MM
12011 OMRON ZUV SERIES UV-LED IRRADIATOR CONTROLLER W/ AC ADAPTOR ZUV-C30H
8993 APPLIED MATERIALS MOUNT ASSY BOWL W/PASS-THROUGH 0010-47367
7481 APPLIED MATERIALS SLIT VALVE DOOR (MXP) 0020-19002
11581 ALLEN-BRADLEY SLC500 OUTPUT MODULE 1746-OB16
8862 OMRON BASE UNIT W/ UNITS C200HW-BC081
4490 HP ASSY, HOTDOG MUTT, MAGMA 100 PIN T-603476-1109
9310 ASML UCM TOP SPEC FILTER / 8X0 (4022.456.38971) 4022.456.38691
5997 SONY POSITION DETECTION MODULE MD20A
885 OMRON INTELLIGENT SIGNAL PROCESSOR K3TS-SD11B-C2
8136 TEL PCB HSDL-VLV-I/F VLV CTRL (2108-020069-11) 2181-020069-1
3960 SHINDENGEN CVR UNIT 56170190
5566 APPLIED MATERIALS PCB CDN391R VME DEVICENET I/O 0190-24115
9585 ROFIN-SINAR RSL TERMINAL V2 0185.01/03
20792 OEM PCB ASSY, 223393 90980324
5568 VAT HARD ANODIZED PLATE, 796-098655-002 92228-01
3983 CHIU TECHNICAL CORP LUMINA ILLUMINATOR F0-150
7607 APPLIED MATERIALS 1.5" HOSE FTG X 1" 90 DEG HOSE END 316 SS 3300-06059
11580 ALLEN-BRADLEY SLC500 INPUT MODULE 1746-IV16
4489 HP MUTT ASSY, HOTDOG, GEO T-612352-6000
8296 HONEYWELL LIGHT CURTAIN TRANSM 3540-04186 & FF-LS162804602A
10246 APPLIED MATERIALS FLTR HSG BRS HD SST SUMP 1 CRTG 3/4 IN  4020-01013
4508 MALEMA SNSRS ADJUSTABLE FLOW SWITCH W VLV ASSY M-200-S41-010
D1 COPLEY SERVO DRIVE 800-494
186 APPLIED MATERIALS 300MM OUTER SHIELD GROUND PLUNGER CAP 0020-42948
11599 TEL PCB, S I/O CONN BOARD W2 1B81-010181-11
12964 APPLIED MATERIALS GAUGE, PIRANI CAPACITANCE, 1.33 CONFLAT 3310-00073
14010 APPLIED MATERIALS PLATE CALIB.,LIFT TO 0270-20141
14357 APPLIED MATERIALS LINE,HCL VENT,POLY 0050-35923
2 EATON PCB ANTILOG A/D BD, D-1403230 D-1503230
4488 HP MUTT ASSY, HOTDOG, LAVA T-607129-6001
10429 ANORAD POSIING LINEAR STAGE W/ MOUNTING BRKT MYCON SERVO MTR 35643
10325 OMRON TEMPERATURE CONTROLLER E5CN-Q2HBT
R18 ALLEN-BRADLEY FLEX ARMOR I/O, 5 SLOT BASEPLATE, 95711801, 95743801 1798-BP4
B114 NOVELLUS ISO BLANK OFF ISO VLV PORT BB10-157659-00 BB10-157659
11539 KOGANEI AIR CYLINDER SWING SDA40X100-N-45
11610 COSEL 5V/5A 24V/9A POWER SUPPLY LEB225F-0524
7745 APPLIED MATERIALS POWER SUPPLY 0.750KV, X3286 ESC1.5PN7.5X3288(0190-14140)
9402 REIS ROBOTICS SERVOSTARKER, ID: 3520782 DRIVE 4003
3192 LEICA LENS MONO ZOOM7 312989
2707 ATAGO BUSSAN LASER RADIATION EMISSION INDICATOR GLS2165
17527 ASML PCB ASSY 4022.437.0889
21689 NMB-MAT 2-PHASE STEPPING MOTOR D6NB
5969 APPLIED MATERIALS ETO RF GEN 2.0 MHZ WATT METER ABX-X276, ABX-X23 ARX-X250
8071 VAT PENDULUM VALVE KIT, SEALING RING 203217
3983 CHIU TECHNICAL CORP LUMINA ILLUMINATOR F0-150
23254 LAM RESEARCH ELECTROSTATIC CHUCK 719-102001-053 715-102001-053
7706 APPLIED MATERIALS COVER RF SHIELD GOLD INTERLOCK DELTA SAC 0020-75984
1792 UNIPHASE HELIUM-NEON LASER HEADS 1135P-2478
T205 MILLIPORE BARATRON CAPACITANCE GAUGE, 0-10TORR, CMLB1106 CMLB-11S06
10553 GE FANUC FIELD CONTROL BUS INTERFACE UNIT IC670GBI002J
14180 APPLIED MATERIALS PCB ASSY,SYSTEM ELECTRONICS INTERFACE BOARD 0100-20001

注：聯(lián)系我時(shí)，請(qǐng)說(shuō)是在“傲立機(jī)床網(wǎng)”上看到的，謝謝！