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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煞莨经h(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(jiàn)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。
4126 SAMSUNG COLOUR DIGITAL CAMERA, 230VAC, 50HZ, 4.5W SDC-4304PF1544 ENDO COMPACT LIGHTWEIGHT TOOL BALANCER, 9601 EK-0
5949 OEM SWAPPER 0053800-000
7188 APPLIED MATERIALS WAFER LIFT 5000 CVD W/O 0100-09086 0010-09341
11944 TOKYO ELECTRON PCB, OPE-PANE SW BOARD 881-621010-1
12048 FESTO SHOCK ABSORBER, P/N: 548074 DYSW-10-17-Y1F
10368 APPLIED MATERIALS KIT, COMMON CENTURA PER CHMBR OTB CTN 0240-13112
1334 NIKON STAGE REMOTE CONTROLLER ISS200
14062 ASML PCB, MODULE CARD SVG 4022.471.7370
9613 MKS ANGLE VACUUM VALVE, MANUAL OPERATED CV25-K2K2-MKVV
4663 SMC BASED MOUNTED SOLENOID VALVE SUP. 0-1.0 MPA VQ2100NRY-5C-Q
10079 INFICON PIRANI GAUGE SENSOR (I) 353-532
5730 NOTIFIER LCD ANNUNCIATOR FIRE ALARM LCD-80
22416 SCREEN SEMICONDUCTOR SOLUTIONS PCB BD INPUT 73933743
10576 WATLOW TEMPERATURE CONTROLLER 146E-1601-3000
9950 ROFIN OBJEKTIVHALTESATZ; F'-160; RS.S07/10/14 (101103952) 102106020
21694 YASKAWA ELE RM SERIES MINERTIA MTR W/ ENCODER UTOPI-200SE
18358 ADIXEN TURBOMOLECULAR PUMP CONTROLLER ACT 100
10481 EUTECH INSTRUMENTS WATERPROOF PORTABLE METER CD650
6011 AERA MFC FC-PA781C FC-PA7810C
9944 ROFIN PRUFPROTOKOLL SHUTTER RESONATOR-EXTERN 1064NM P-101102381
20801 YOKOGAWA PCB ASSY B9900/YX
1394 IWAKI BELLOWS PUMP SBU-3T-ME4
1231 VERIFLO PRESSURE REGULATOR 43800806 SQ6050W2PFSMM
17656 ADVANTEST PCB ASSY BGG-012785
16932 APPLIED MATERIALS CABLE ASSEMBLY EMO INTERCONNECT 55 FT 0150-35577
10153 PALL EMFLON FILTER CARTRIDGE AB1F0012EH1
9324 HEIDOLPH OVERHEAD STIRRER (501-11000-00-1) (501.11000.00.1) RZR1
2412 HEIDENHAIN INTERPOLATION DIGITIZING BOX EXE 650B X25/8 263 380 08
20396 INTEL PCB, PENTIUM III 500 MHZ SERVER PROCESSOR PB 731069-001
12437 ADVANCED ENERGY RF GENERATOR, P/N: 3156024-131 PDX 900-2V
12852 NOVELLUS SYSTEM CONTROLLER, P166/64, 24V 02-127707-00
424 FINE SUNTRONIX POWER SUPPLY VSF150-24
787 EMERSON DIAPHRAGM PUMP, 608954 K48ZZEDW3341
R12 OMRON COMMUNICATION MODULE DRT1-232C2
9432 REIS ROBOTICS SERVOSTARKER, ID: 3520784 DRIVE 4009
6022 AERA MFC FC-D980
20708 KOYO KOSTAC CPU MODULE UNIT SA-22
4469 APPLIED MATERIALS FLTR GAS MINI WAFERGARD SL 4020-00076
12759 BOECO MAGNETIC STIRRER WITH HOT PLATE MSH-420
17779 APPLIED MATERIALS CABLE ASSY, 3M 0620-02187
18222 APPLIED MATERIALS SHOULDER MOTOR ASSEMBLY, ROBOT 0090-01474
20034 LAM RESEARCH VERIFLO VALVE ASSY 839-220913-100
20035 LAM RESEARCH VERIFLO VALVE ASSY 839-220912-100
9686 APPLIED MATERIALS PCB ASSY LI/APC MATRIX 0100-09293
20789 MDA PCB, POWER SUPPLY DUAL OUTPUT BD 872234
11732 APPLIED MATERIALS CABLE ASSY, SECOND SERIPLEX TO PLC 0150-04470
10576 WATLOW TEMPERATURE CONTROLLER 146E-1601-3000
3645 MITSUBISHI MELSEC PROGRAMMABLE CONTROLLER FX-128MR-ES/UL
17349 SHIBASOKU PCB, REF D/A, P150950B-2, 1K4PT21A1002 S150950B-2/6A
4621 YASKAWA AC SERVO MOTOR WITH AC ACTUATOR RKS-20-100-02-SP SGM-02AW14S
679 ION SYSTEMS BLOWER IONIZING BLOWER 6420
21848 SANYO DENKI AC SERVO MTR BL SUPER P3 W/ GEARHEAD P30B04010DXS1CM
13645 APPLIED MATERIALS CABLE ASSY LAMP MODULE 0150-09840
13997 YASKAWA AC SERVO MOTOR SGMPH-04AAE-YA12
7350 MDA CI SYSTEMS, NTM3 CONTROLLER, 479-535-1512 1200
3828 ASYST PRE-ALIGNER MODEL 5X 15534-001
2330 ASAHI KEIKI INDICATOR AM-213-13-11
16136 APPLIED MATERIALS ASSY A.L.L.MTR LEFT VEXTA 0010-76430
4941 BALZERS PKR 251 COMPACT FULL RANGE GAUGE, FL-9496 BALZERS BGG26000
9034 SHINKO DIRECTLY TEMPERATURE CONTROLLER JCL-33A-R/M
3034 VEXTA AC SERVO DRIVER B1836-07150AIP
572 ION SYSTEMS NILSTAT CONTROLLER 5024(E)
439 NEMIC-LAMBDA SWITCHING POWER SUPPLY JWS100-24
21225 DELTA TAU PMAC VME BD,602199-104,602705-107,602200-103 (REFURB) 602199-504
142 HIRATA LINEAR ACTUATOR SLIDE 1001262908/10/7/Z
11150 GRANVILLE-PHILLIPS UHV-Y STABIL-ION ION GAUGE 360121
21712 MITSUBISHI AC SERVO MOTOR HF-KP13L
21840 PANASONIC AC SERVO MOTOR MSMA012C1B
21767 PANASONIC AC SERVO MOTOR MQMA012A5F
21768 PANASONIC AC SERVO MOTOR MQMA012A4F
11752 FUJIKIN DIAPHRAGM VALVE, TYPE N.O, 936585 23729
20950 APPLIED MATERIALS CABLE ASSY 0150-46753
20800 SEMPREX CORPORATION PCB, JUNCTION BOARD 103354
7538 BROOKS AUTOMATION LH VCE6 ARM ASSY LAM PN:799-900842-001 001-9060-16
654 SWAGELOK STAINLESS 3 WAY BALL VALVE SS-44XF4-1466
6087 STEC LFC LF-310A LIQUID MASS FLOW METER LF-310A-EVD
4087 IDEC POWER SUPPLY PS3L-C24AF
6415 BRONKHORST MFC HIGH TECH EL-FLOW METER CONTROLLER F-201C-GAC-88-V
842 KOKUSAI ELECTRIC ALPHA 4-WAVE ULTRASONIC GENERATOR U0600FXI
7573 APPLIED MATERIALS COVER MECHANISM GUARD ASSY 0010-70017
20337 COHERENT PCB, DSP-00B.PCB BOARD 0214-648-00
20267 APPLIED MATERIALS PIN,LIFT (QUARTZ), MOD II 0200-35486
20276 APPLIED MATERIALS HARNESS ASSY PVD SHUTTER SENSORS 0140-20694
20604 APPLIED MATERIALS PLATE,LOWER MOTOR,ROBOT EXTENSION 0020-18462
5609 APPLIED MATERIALS REGULATOR FLOW 1.0LPM W/PRESS GAUGE NH3 DETECT 3800-01117
7347 SVG THERMCO SYSTEMS PCB WTU MOTION CONTROL I/F 606180-01
6017 AERA MFC FC-780CHT
23282 BALLUFF MAGNETIC FIELD SENSOR, BMF00AR, P/N: 211816 BMF 235K-PS-C-2A-PU-02
20243 APPLIED MATERIALS WELDMENT DUAL HE MANF SACVD 0050-10076
3694 DIGITAL DYNAMICS SIOC POWER SUPPLY 27-053660-00
820 PARKER FLUID CONNECTORS CPI 8F-Q8CY-SSP
7355 BEI TECHNOLOGIES LOAD ROBOT ENCODER PN:9 E25BB-4R-SB-CCW-8CC-7406R-LED-ED25
1804 UNICORN REGULATED DC POWER SUPPLY 30V 20A UP-3020
3753 DIGI 32-PORT TERMINAL SERVER ETHERLITE 32
5064 KOLLMORGEN POWERMAX II 1.8 DEGREE STEP MOTOR M21NSXC-LSS-SS-02
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！
