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集散控制系統(Distributed Control System-DCS)集計算機技術、控制技術、通信技術、CRT技術于一體,廣泛應用于生產過程控制系統。隨著計算機和網絡技術的飛速發展,產生了一種新型的控制系統———現場總線控制系統(Fieldbus Control System-FCS)。但國內生產企業的情況是:大多數企業還處于模擬儀表和人工控制的階段,采用DCS控制系統的企業仍是少數。由于DCS應用廣泛、技術成熟,在現有的技術條件和市場條件下,FCS還不能完全取代DCS,而且目前現場總線設備和系統還十分昂貴。因此,除了新建企業外,國內企業在較長時間不可能全面采用現場總線技術,而必須走逐步發展、過渡的道路。 ??我們在上海石化股份公司環保部水質凈化廠監控系統的改造項目中,對3個生產單元已有的DCS和PLC進行改造,增加通信功能,實現總調度室對各生產裝置的集中監控。 2?系統改造方案?? 根據水質凈化廠各生產單元的功能和建設階段,分為廠外調節池、污水一段、氧化溝、四期污水處理、污泥脫水、污泥干化6個生產單元。另外,在廠部設有總調度室,但是總調度室的監控水平較為落后,改造之前基本上不能對各個生產單元進行監控。為了適應生產需要,提高生產效率,改善操作條件,加強監控手段,確保各生產裝置的正常運行,急需對各生產單元和總調度室進行技術和設備的更新改造,從而能在總調度室對各裝置進行監視管理,及時了解各裝置的運行情況,達到指揮及時和調度準確的目的。 2.1?現場監控系統的改造 ??現場監控系統的改造要充分利用原有儀表和設備,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(系統結構見圖2—1): ??四期污水處理生產單元控制設備配置了兩套ALLEN-BRADELY公司PLC設備。25塊開關量輸入信號卡,可采集384點信號;7塊開關量輸出信號卡,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+(數據高速通道)實現數據共享。在原有的現場控制計算機上分別增加以太網卡,通過以太網將實時數據送到總調度室處理。??輸出192點信號;1塊模擬量輸入信號卡,可采集8點信號。系統運行采用遙控開關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臺現場操作站,用點對點方法連接,使PLC的數據通過現場操作站送到以太網上,與總調度室監控計算機通信。但RS-232傳輸速率只有9600bps,操作站僅對現場起到監視作用。
9309 DAINIPPON SCREEN I/O MODULE (16/16) SN-2016-TRDS DS-1211-ANALOG1330 LEYBOLD TURBO VACUUM PUMP, TURBOVAC 50 85402
16301 DYNAX HANDY TERMINAL, ROBOT TEACH PENDANT RT1-K3AX-080
18848 APPLIED MATERIALS PLATE, REFLECTOR, CHMBR BOTTOM, 23CM 0021-35163
13578 BECKHOFF SERVO MOTOR W/ AG2250 ANGLED PLANETARY GEAR AM8022-0D10-0000
8779 MITSUBISHI P91 VIDEO COPY PROCESSOR ULTRASOUND PRINTER P91W
7180 APPLIED MATERIALS FORGED 8 DXZ HEATER, HI-TEMP CERAMIC HEATER 0040-39240
17756 APPLIED MATERIALS E84 PI/O AGV/RGV HOKUYO DMS-HB1-V 0190-02688
8464 APPLIED MATERIALS ARM, WELDMENT SOURCE STD OBSOLETE 0040-20006
17047 MATSUSHITA TYPE FC-35 GREEN POWER MAGNETIC CONTACTOR BMF6-35-2
20939 APPLIED MATERIALS CABLE ASSY 0150-46754
6331 FUJIKIN MFC FCS-WR FCSWR-4WS-798-F400#D
8744 AG ASSOCIATES SIX GAS INTERLOCK 7100-5425-03
7370 LAM RESEARCH OUTER 17" SILICON ELECTRODE ASSEMBLY 839-020965-020
6190 FUJIKIN MFC FCS-WR FCSWR-4WS-798-F850#B
6383 FUJIKIN MFC FCS-WR FCSWR-4WS-798-F400#B
2623 APPLIED MATERIALS COOLED TUBE, LEAP2 0040-02238
9238 PANASONIC AC SERVO DRIVER MSD011A1X05
20916 APPLIED MATERIALS HARNESS ASSY CIOC TO GP TRANSDUCER 0140-80010
3540 ALLEN-BRADLEY 8-POINT DISCRETE I/O SIMULATOR MODULE 1771-SIM
20876 MATROX PCB ASSY W/ GSP MODULE 0298-06-05, P/N: PG-641, 0296-06-04 PG-1281
7847 DAINIPPON SCREEN EMERGENCY OFF SWITCH BOX 3 HEPT-003
21397 APPLIED MATERIALS ISOLATOR PUMPING RING TOP 200MM PRODUCER 0200-00402
1395 EDWARDS VACCUM PUMP RV12 A655-01-905
4138 DIGITAL ELECTRONICS DC POWER SUPPLY HIGH VOLTAGE DRP-9303DU
18091 YASKAWA MINERTIA SERVO MOTOR, RM SERIES, UTOP1-020MX UGRMEM-01SAKOE
11211 TOKYO ELECTRON PCB, I/O MDIF5B BOARD, 2184-020931-12 TTLM02-11
3239 YAMAMOTO MANOSTAR DIFFERENTIAL PRESSURE SWITCH MS61AHV1.2E-K
3891 VAT GATE VALVE 02109-BA24-ATU1
4712 EMERSON SERVO MOTOR 960104-23 MGE-205-CONS-0000
7475 APPLIED MATERIALS COAX CABLE, DXZ COUNTERMATCH, 2.7M 0150-76322
3435 SUPER VEXTA 5-PHASE-DRIVER UDX5107-G4-2
20597 ADVANTECH PCB, BACKPLANE BOARD, 190K610620 PCA-6106P4
15504 MILLIPORE 22" ION-EX CARTRIDGE CPMB02202
10056 APPLIED MATERIALS CB MAG THERM 3P 240VAC 30A BOLT-ON QO 0680-01215
20153 APPLIED MATERIALS CABLE ASSY,SQS(M)R/A TO SQS(M)STR.W/INTL 0190-21843
4424 APPLIED MATERIALS HDPCVD ESC, 300MM DUAL HE 0040-48594
12520 CTC ANALYTICS MOUNT/BRACKET FOR FAST WASH STATION MR03-00B
8164 SMC PNEUALPHA SOLENOID VALVE ECC-PNAL-6MR-A
14022 USHIO UNI METER UIT-101
22171 OEM 24'' COREFLEX FOR PRODUCER WATER LINE S-COR SS-SC6PF6PF6-24
8395 OEM LAMP MUL-250HS
6040 HORIBA-STEC MFC SEC-E440 MASS FLOW CONTROLLER SEC-E440J
9042 APPLIED MATERIALS MOTOR CURRENT AMP-FILTER CMP (0100-01654)0010-17634
1386 TELEDYNE VACUUM GAUGE TUBE DV-6M-VCR
10391 APPLIED MATERIALS FLANGE, EDWARDS PUMP, CVD EXH SW 0040-21826
15333 ZEISS 960 S.E.M PCB, 348338-2002 348338-9020-2002
T56 MKS VACUUM SWITCH TYPE 141, 1 TORR 141A-22945
2388 WAHL PLATINUM-RTD DIGITAL HEAT-PROBER THERMOMETER 392MVX
12341 ADVANCED ENERGY RF NAVIGATOR RF MATCH 3155126-012
8003 NOR-CAL PNEUMATIC ISOLATION VALVE, KLA-TENCOR ES20XP 990322-2
23385 COMPUTER PRODUCTS POWER SUPPLY FOR FSI XL200-3602/4602
9748 APPLIED MATERIALS CABLE FILAMENT CONTROL 50FT 0620-01281
22186 AXCELIS SOURCE SPACER 170115590
21951 AXCELIS RESOLVER LEAD BACKED PLATE, 10" X 10" 1180750
4793 NEC TFT LCD SCREEN DISPLAY PANEL NL6448BC33-46
3931 VAT ANGLE VALVE 26324-KA41-0001
11783 TOKYO ELECTRON PCB ASSY TS-4000Z-16 CONTROL UNIT, 1181-000570-11 MC-31151M
14658 RDP TRANSDUCER AMPLIFIER S7AC
22171 OEM 24'' COREFLEX FOR PRODUCER WATER LINE S-COR SS-SC6PF6PF6-24
7568 APPLIED MATERIALS RING CNTRLLC LID 0020-70184
6040 HORIBA-STEC MFC SEC-E440 MASS FLOW CONTROLLER SEC-E440J
12859 PITTMAN SERVO GEAR MOTOR, 24VDC, RATIO 19.7:1, P/N: 12-8882-120 GM9413L144
10391 APPLIED MATERIALS FLANGE, EDWARDS PUMP, CVD EXH SW 0040-21826
3494 NSK ESA SERVO DRIVER ESA-Y3040A25-11
15333 ZEISS 960 S.E.M PCB, 348338-2002 348338-9020-2002
T56 MKS VACUUM SWITCH TYPE 141, 1 TORR 141A-22945
12341 ADVANCED ENERGY RF NAVIGATOR RF MATCH 3155126-012
8003 NOR-CAL PNEUMATIC ISOLATION VALVE, KLA-TENCOR ES20XP 990322-2
11758 AXCELIS LASER ASSY, 334590 01 01 1165740
11818 LS PLC, 16 POINTS RELAY OUTPUT MODULE G6Q-RY2B
7201 EBARA VACUUM PUMP EMERGENCY OFF SWITCH REMOTE A/C BOX 211618
23385 COMPUTER PRODUCTS POWER SUPPLY FOR FSI XL200-3602/4602
22186 AXCELIS SOURCE SPACER 170115590
3974 TOKYO ELECTRON CONTROLLER W/ RKC DIGITAL TEMP CONTROL:REX-D400 3M87-022665
11635 BOSTON GEAR 700 SERIES GEAR SPEED REDUCER, RATIO 20:1, 0.87 H.P. F71820B5J
21951 AXCELIS RESOLVER LEAD BACKED PLATE, 10" X 10" 1180750
4793 NEC TFT LCD SCREEN DISPLAY PANEL NL6448BC33-46
12908 ECHELON PCLTA PC LONTALK ISA-BUS ADPT CARD, PN: 801-0211-01 73100-11
10610 ADVANCED ENERGY PARAMOUNT 3013 RF GENERATOR 3156320-003
11783 TOKYO ELECTRON PCB ASSY TS-4000Z-16 CONTROL UNIT, 1181-000570-11 MC-31151M
11784 TOKYO ELECTRON PCB ASSY TS-4000Z-16 CONTROL UNIT, 1181-000571-11 MC-31151T
11782 TOKYO ELECTRON PCB ASSY TS-4000Z-16 CONTROL UNIT, 1181-000569-11 MC-31151P
14658 RDP TRANSDUCER AMPLIFIER S7AC
17511 ALPHA MOISTURE SYSTEMS DEWPOINT METER DS1000
18772 WATKINS JOHNSON PCB, RS-232 BOARD 961122
19906 KEYENCE PROGRAMMABLE CONTROLLER KV-P16R
19904 FOXBORO 873 RESISTIVITY ANALYZER 873RS-JIPCGZ
8298 A TO Z ELECS PCB MOD SEMVISION CX 300MM OPAL S2DIO
10719 ASML CARBON FILTER 4022.454.5626
4758 PRECISION SENSORS ABSOLUTE PRESSURE SWITCH E36W-H52
17408 LAM RESEARCH TEMPERATURE CALIBRATION SOURCE 518-025348-001
19458 PULNIX CCD CAMERA MODULE TM-7AS
243 EDWARDS EXDC 80 TURBO MOLECULAR PUMP CONTROLLER D39645000
21185 RENISHAW SENSOR OPTICAL ENCODER RGH22 X50F00
T257 MKS BARATRON PRESSURE TRANSDUCER, 10 TORR 628411TAE
2640 VARIAN PCB, DIGITAL I/O RELAY INTERFACE, E14004050 E15004050
22180 VAT MONOVAT DOOR 19X219 ANODIZED LOCKED TO 9Y4C 100404-R1
11839 MAXON MOTOR DC MOTOR W/ENCODER HEDL-5540 A11 223277
注:聯系我時,請說是在“傲立機床網”上看到的,謝謝!