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集散控制系統(tǒng)（Distributed Control System－DCS）集計算機技術(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)過程控制系統(tǒng)。隨著計算機和網(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)場總線控制系統(tǒng)（Fieldbus Control System－FCS）。但國內(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)條件和市場條件下，F(xiàn)CS還不能完全取代DCS，而且目前現(xiàn)場總線設(shè)備和系統(tǒng)還十分昂貴。因此，除了新建企業(yè)外，國內(nèi)企業(yè)在較長時間不可能全面采用現(xiàn)場總線技術(shù)，而必須走逐步發(fā)展、過渡的道路。 ??我們在上海石化股份公司環(huán)保部水質(zhì)凈化廠監(jiān)控系統(tǒng)的改造項目中，對3個生產(chǎn)單元已有的DCS和PLC進行改造，增加通信功能，實現(xiàn)總調(diào)度室對各生產(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各個生產(chǎn)單元進行監(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，加強監(jiān)控手段，確保各生產(chǎn)裝置的正常運行，急需對各生產(chǎn)單元和總調(diào)度室進行技術(shù)和設(shè)備的更新改造，從而能在總調(diào)度室對各裝置進行監(jiān)視管理，及時了解各裝置的運行情況，達到指揮及時和調(diào)度準確的目的。 2．1?現(xiàn)場監(jiān)控系統(tǒng)的改造 ??現(xiàn)場監(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時性。首先對自控程度較高的3個單元進行改造（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)量輸入信號卡，可采集384點信號；7塊開關(guān)量輸出信號卡，可輸出112點信號；3塊模擬量輸入信號卡，可采集24點信號。兩套AB—PLC通過DH＋（數(shù)據(jù)高速通道）實現(xiàn)數(shù)據(jù)共享。在原有的現(xiàn)場控制計算機上分別增加以太網(wǎng)卡，通過以太網(wǎng)將實時數(shù)據(jù)送到總調(diào)度室處理。??輸出192點信號；1塊模擬量輸入信號卡，可采集8點信號。系統(tǒng)運行采用遙控開關(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臺現(xiàn)場操作站，用點對點方法連接，使PLC的數(shù)據(jù)通過現(xiàn)場操作站送到以太網(wǎng)上，與總調(diào)度室監(jiān)控計算機通信。但RS－232傳輸速率只有9600bps，操作站僅對現(xiàn)場起到監(jiān)視作用。
7195 TOKYO ELECTRON UPPER ELECTRODE, 10, (DRM2) 1D10-201082-1212954 FUJIKIN PNEUMATIC CYLINDER TYPE BELLOWS VALVE, ?" MVCR FPR-71-6.35
11109 APPLIED MATERIALS PLATE PERF 200MM GIANT GAP NITRIDE 0020-30797
841 ADE TECHNOLOGIES CAPACITANCE METER SYSTEM 600
4189 ALLEN-BRADLEY 10 SLOTS PLC CHASSIS W/ POWER SUPPLY 1756-PA72/B 1756-A10/B
18989 OEM SOLID SHAFT ROTARY MOTION FEEDTHROUGH, 67799A 142353K
7706 APPLIED MATERIALS COVER RF SHIELD GOLD INTERLOCK DELTA SAC 0020-75984
12702 HP PCB, JET DIRECT PRINT/ETHERNET CARD 10BASE-T 5182-4752
21416 TELEDYNE SOLID STATE RELAY SQ24D25
8260 AXCELIS ASSY CHUCK 200 PCV 539203
9845 REXROTH INDRAMAT POWER LINE FILTER NFD03.1-480-016
9392 SIEMENS SINAMICS CONTROL UNIT CU240S DP F (A5E00921203) 6SL3244-0BA21-1PA0
4421 JASCO SUPERCRITICAL FLUID CHROMATOGRAPHY 44MM I.DX250MML
7745 APPLIED MATERIALS POWER SUPPLY 0.750KV, X3286 ESC1.5PN7.5X3288(0190-14140)
10874 APPLIED MATERIALS LINER, CATHODE, MAGNET, SUPER-E 0040-02609
13967 APPLIED MATERIALS INSULATOR,300MM HDPCVD ULTIMA 0200-00374
9279 APPLIED MATERIALS PLUG THROTTLE VALVE UNIVERSAL CHAMBER 0021-10634
10087 SANYO DENKI SANMOTION AC SERVO SYSTEMS R2AA04010FCP00
1383 COPAL ELECTRONICS PRESSURE SWITCH, 0-0.5 KGF/CM2 PS83-501G-VCR-001
2459 YASKAWA SERVOPACK SGDA-02AP
5932 CTI-CRYOGENICS CABLE, POWER, UL/VDE 8112463G050
1609 NEMIC-LAMBDA POWER SUPPLY, 15V 3.4A 47-63HZ NNS30-15
8262 APPLIED MATERIALS MANIFOLD, OUTPUT, 1 HOLE, LEFT, 200MM PR 0040-47724
10555 YASKAWA ROBATIC ENCODER SIGNAL PROCESS XU-BDB0100T
20190 CCTC PCB ASSY 21451-1
7699 LEYBOLD TURBO CONTROLLER TURBOTRONIK AMT85472-3 NT150/360
8176 NOVELLUS END EFFECTOR, DIA 14" 15-145022-00
5450 ORIENTAL MTR INDUCTION MTR W/ PROPELLER & SHAFT LENGTH 450MM 4IK25A-A-E16
186 APPLIED MATERIALS 300MM OUTER SHIELD GROUND PLUNGER CAP 0020-42948
6250 FUJIKIN MFC FCS-WR FCSWR-4WS-798-F600#D
10486 ASYST KIT LPT EP LEADSCREW 113M 9701-2390-01
10902 RFPP MATCHING NETWORK, 5000WATTS @ 13.56MHZ 7626130010
3711 ASTECH AUTOMATIC MATCHING NETWORK POWER SUPPLY ATL100RATYL
5533 APPLIED MATERIALS C/A MFC ADPTR W/PURGE/SHUT-OFF,9PIN D:CA 0150-36097
10335 TAMRON LENS 1:16 25MM ?25.5
3394 CTI-CRYOGENICS GAUGE CABLE 8112695G300
14083 LANNER PCB, SINGLE BOARD COMPUTER BOARD IAC-H553C
13762 APPLIED MATERIALS HARNESS ASSY, PC CONNECTIONS ADAPTOR 0140-00783
154 LEYBOLD INFICON PCB TRANSPECTOR ASSY, AW911-110 911-112
76 EATON PCB INPUT TO I/O 80 BD, 1401300 1501300
11708 CKD AIR OPERATED VALVE AMD312-8US-6-0-4
T264 MKS BARATRON PRESSURE TRANSDUCER, 133.32 PA 626A-22895
20381 VEXTA 5 PHASE DPS THROT VLV ASSY, 0021-36747, 0090-39195 0021-09515
11203 ULVAC SUBSTRATE HEATER PSH-112MT
14083 LANNER PCB, SINGLE BOARD COMPUTER BOARD IAC-H553C
13762 APPLIED MATERIALS HARNESS ASSY, PC CONNECTIONS ADAPTOR 0140-00783
154 LEYBOLD INFICON PCB TRANSPECTOR ASSY, AW911-110 911-112
76 EATON PCB INPUT TO I/O 80 BD, 1401300 1501300
11708 CKD AIR OPERATED VALVE AMD312-8US-6-0-4
T264 MKS BARATRON PRESSURE TRANSDUCER, 133.32 PA 626A-22895
7040 ALLEN-BRADLEY ANALOG INPUT MODULE (12BIT) P/N:96188672 G01 1771-IFE/C
11560 ALLEN-BRADLEY 16PT CONTROLLOGIX ANALOG I/P MODULE,96240874 A01 1756-IF16/A
20381 VEXTA 5 PHASE DPS THROT VLV ASSY, 0021-36747, 0090-39195 0021-09515
7850 DAINIPPON SCREEN EMERGENCY SWITCH BOX 2VC41408
20621 PFEIFFER TURBO PUMP PM P04 265 A W/ CTLR TC HIPACE 80
6567 MKS MASS FLOW CONTROLLER, 15.5 SCCM, P/N: 3300188 1150C-4037V
10705 SMC DOUBLE ACTING PNEUMATIC CYLINDER MXS12-50BS-X504
11518 TEL BOARD CONN CHEM #02 W/ BOARD IO CHEM #02 (OYDK-059) OYDK-062
3304 NSK ESA SERVO DRIVER ESA-0408A35-21.1
10946 ISEL GERMANY AG WAFER HANDLING ROBOT, HS104339 0004 IWH-TA13S14HDF-2
10795 NIKON 50X EPI MICROSCOPE OBJECTIVE LENS CF PLAN 50X / 0.80
12546 FUJIKIN DIAPHRAGM VALVE BLOCK, TYPE N.C., O.P. 0.39~0.59MPA 84124
4916 SHINMAYWA BUILT-IN DD SPINDLE MOTOR B05-06-18M
9820 APPLIED MATERIALS HEATER 0190-21797
22052 CHIBA PRECISION MOTOR, X-8439, 62-223701A PG40-4 1/96
20870 NIKON PCB, MODULE BOARD 4S017-905-SPI02
8753 APPLIED MATERIALS SLIT VALVE 35 X 336MM KALREZ SEAL 9100 3870-00661
12972 PILZ 30/24
22098 HUBA CTRL GAUGE ASSY IN: 18-33VDC/24VAC+/-15% 0...+1.6BAR 692.914101041
7202 SENSARRAY PROCESS PROBE INSTRUMENTED WAFER 200MM 1530D-8-0023
4421 JASCO SUPERCRITICAL FLUID CHROMATOGRAPHY 44MM I.DX250MML
22454 VARIAN TOOL, CAM CATHODE IHC E17300480
15624 LAM RESEARCH ASSY,CAP,ELECTRODE,ESC 8",SEMI 839-440462-508
14170 MELLES GRIOT LASER HEAD 05-LHP-121-495
1732 MKS HIGH VACUUM PNEUMATIC VALVE, 796-003146-001 93-5024
3141 ASML LASER ASSY 4022.436.1723 112052-8
9870 B&R 28 SLOT X20 I/O SYSTEM, PS9400, DI8371, DO8322, PS2100 X20 BC 0063
12759 BOECO MAGNETIC STIRRER WITH HOT PLATE MSH-420
T160 MKS BARATRON VACUUM SWITCH,TYPE 141, LAM P/N: 853-031469-003 141A-12737
15724 LAM RESEARCH PCB 3-AXIS STEPPER DRIVER I/F W/ LCM-H02004DSF 810-066590-004
879 ZEISS PCB, 5X(AXICOM V23105A5305A201), 24V 348224-9039-100-3901-100
T245 MKS PRESSURE TRANSDUCER, 10 TORR 626A11TBE
20782 ASTRONIX PCB ASSY MD.S-2
20786 TJA / BAIRD PCB ASSY, 13924000, 13924100 13924200
20777 PLOTECH PCB ASSY 3378-2187A
20765 SALICRU PCB ASSY CI-235-15
1236 JVC 1/2 DIGITAL CCD CAMERA TK-C1381EG
2388 WAHL PLATINUM-RTD DIGITAL HEAT-PROBER THERMOMETER 392MVX
12838 TOKYO ELECTRON PCB, TAB22A-1/PURF2-LF W/ 2X 2L81-050032-11 2L81-050039-11
5279 TECHCON SYSTEMS DC SERVO MOTOR HEDS-5540 A01
5553 VERIFLO REGULATOR P/N 45700472EV SQ140E502PUPGPAEV
12395 LAMBDA POWER SUPPLY, 24V, 5A JWS120P-24
8989 MITSUBISHI POSITIONING UNIT AJ65BT-D75P2-S3
4992 APPLIED MATERIALS FLEX 3 E84 POD D LOOPBACK ADAPTOR 0150-05435
1216 MITSUBISHI MELSEC PROGRAMMABLE CONTROLLER FXON-24MR-ES/UL
12348 COMET VACUUM CAPACITOR, 50-500PF, 12/7.2KV CVUN-500BC/12-BAJL
6164 UNIT MFC ULTRACLEAN METAL SEAL UFC-8160
2102 OMRON TEMPERATURE CONTROLLER E5ZT-N08TC01-2
6346 HORIBA-STEC MFC SEC-E440 SEC-E400JSERIES SEC-Z313M
4380 APPLIED MATERIALS BRKT LEFT MOUNTING CHBR-MF RPG CHBR 300MM 0020-46291
7180 APPLIED MATERIALS FORGED 8 DXZ HEATER, HI-TEMP CERAMIC HEATER 0040-39240
注：聯(lián)系我時，請說是在“傲立機床網(wǎng)”上看到的，謝謝！
