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工業控制“備品備件”業務的關鍵供應商全球
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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。
13289 CHIRON TECHNOLOGY PCB,CURRENT SOURCE BACKPLANE,PN: 66-21-00004A XTE-CB-1103418 OMRON SETTING DISPLAY E5ZD-SDL2-X-800
20188 CCTC PCB, MAIN BOARD 21446-3
326 MIYACHI WELTOUCH CONSTANT WELDING CONTROLLER CY-210B-90
7195 TOKYO ELECTRON UPPER ELECTRODE, 10, (DRM2) 1D10-201082-12
772 BECO METERING VALVE MV-44P-A
21150 KLA-TENCOR ASSY, TURRET OPTICS, SFX, INTEL 0036451-002
2875 CKD 2-WAY VALVE, 7M03-0130 MGD10V-4RM
7830 MITSUBISHI MELSEC PROGRAMMABLE CONTROLLER AJ71PT32-S3
11853 FUJIKIN DIAPHRAGM VALVE, TYPE N.O., O.P. 4~6KGF/CM2G 23730
11518 TEL BOARD CONN CHEM #02 W/ BOARD IO CHEM #02 (OYDK-059) OYDK-062
1383 COPAL ELECTRONICS PRESSURE SWITCH, 0-0.5 KGF/CM2 PS83-501G-VCR-001
1202 BURKS TURBINE PUMP 3CR6M W BLUFFTON MOTOR 1603006402 3CR6M-FE 115499
7077 HUMPHREY 8 VALVES MANIFOLD W/ H030-4E1-PSL VALVES HYM8F01
4714 NEWPORT CONTROLLER 230V 2.5W IDP-1/E
4277 LEYBOLD INFICON PRESSURE CONVERTER 900-001-G7 IPC2A
3181 LENZE NETZFILTER 8201 PN:384 066 MAINS-FILTER EZN2_004A001
10100 APPLIED MATERIALS DC ACTUATOR, SOURCE, SIP + 200MM 0021-14587
1382 ASYST SMART TAG RFID ST6260
4000 MATSUSHITA AC MOTOR LVM-10
7856 ORIENTAL MOTOR STEPPER MOTOR DRIVER A7998-0407Z
10429 ANORAD POSIING LINEAR STAGE W/ MOUNTING BRKT MYCON SERVO MTR 35643
7142 EMERSON PROGRAMMABLE SERVO POSITIONING/MOTION CONTROLLER PN:960018-01 PCM-1
13964 APPLIED MATERIALS FACEPLATE 26MIL CENTERHOLE RF CAP 300MM SACVD 0041-13895
2416 LAM RESEARCH RF CONNECTOR MODULE 853-800749-001
8993 APPLIED MATERIALS MOUNT ASSY BOWL W/PASS-THROUGH 0010-47367
13648 APPLIED MATERIALS CBL ASSY, AC POWER, IPUP, 300MM ENDURA 0190-16442
14581 ECI TECHNOLOGY CONTROL BOARD, RCI-F 94V0 3500, PCB TLA510
16062 APPLIED CERAMICS RING OUTER, 1.50", SSGD, R2 CHAMBER 91-00745A
16746 APPLIED MATERIALS CABLE ASSY,MOD PWR DRIVER CONTROL I/O TO 0150-01030
13455 APPLIED MATERIALS WASCO SW,VCR-4,CLOSE DECREASING TOR,75 TORR 0190-09133
17422 APPLIED MATERIALS BOX DB9 TRI-PORT CHX PASS-THRU 0010-37128
17762 APPLIED MATERIALS WELDMENT ELBOW 5RA N2 LOADLOCK PURGE 0050-26923
10058 APPLIED MATERIALS VLV MNL DIAPH 3500PSI,VERIFLO 944MSFSFF 3870-01307
13704 APPLIED MATERIALS SPANNER WRENCH, 300MM ENDURA 0270-00727
2463 TELTEC PCB, INPUT BOARD,TEMPERATURE CONTROLLER, 965157D 965158
16733 APPLIED MATERIALS PRESS. TRANSD. HRN 1-6 0140-09996
16519 APPLIED MATERIALS HEATER CLEANING TOOL WXZ 0190-09557
20156 APPLIED MATERIALS BRKT LIGHT CURTAIN CTLR MOUNTING 5.X FI 0040-88092
20433 APPLIED MATERIALS SW ASSY, EMO TURN TO RELEASE, CE MARK 0190-76024
20808 FEI PCB, BACKPLANE BOARD, 4022 192 8005, 4022 192 90054 4022 192 38864
20657 APPLIED MATERIALS VALVE BLWS PNEUMATIC W/INVERTER, SS-BNV51-O 3870-01401
20852 TOKYO ELECTRON PCB, OPE-PANE RELAY BOARD, 808-621130-2 881-621130-2
20940 APPLIED MATERIALS CBL ASSY THROT VLV DC PWR AXIOM-ACONDOR 0150-34920
7346 SVG THERMCO SYSTEMS PCB CBB MOTION CONTROL I/F 606190-01
11552 ALLEN-BRADLEY ETHERNET/IP 10/100MB/S, 96347275 B01 1756-ENBT
1792 UNIPHASE HELIUM-NEON LASER HEADS 1135P-2478
10901 ADEPT MANUAL CONTROL III OPERATOR TEACH PENDANT, 10132-11000 133
13652 APPLIED MATERIALS EMC COMP, CABLE, DIGITAL #2 GAS PANEL 0150-76223
16184 APPLIED MATERIALS LINE, VACUUM EXH PURGE CH. AB, FACILITY 0050-61407
17708 APPLIED MATERIALS BRKT ASSY CAPACITOR BANK HDP-CVD UL 0040-85061
18765 XYCOM PCB, VIDEO INTERFACE (TOP ONLY) W/ PCB 3175-002 90441-009
20269 APPLIED MATERIALS CABLE ASSY,LLB WAFER MAP/CASS. SENSE 0150-20510
20272 APPLIED MATERIALS PIN PEDESTAL ALIGNMENT CERAMIC 300MM PCI 0200-01904
20476 WPI TERMIFLEX ROB TEACH PENDANT 3100-0036A 55-3000-0001 265591
20976 APPLIED MATERIALS CABLE ASSY, DNET-MFC XFR2, PRODUCER 0150-33781
20991 APPLIED MATERIALS CABLE, SHORT EXT 208V PID CONTROLLER 0150-11900
20990 APPLIED MATERIALS CBL PWR CBL INTERCONNECTRON CONN B4 0620-03762
3418 OMRON SETTING DISPLAY E5ZD-SDL2-X-800
7201 EBARA VACUUM PUMP EMERGENCY OFF SWITCH REMOTE A/C BOX 211618
4487 RISTO LED LIGHT CONTROLLER, 24V/25W PSD-2512-256
4509 BANNER SPECIFIED TEST PIECE STP-14 W/ STP-13 STP-14
22159 PARKER PCB, DIGIPLAN STEPPING MOTOR DRIVE, 1321-003-04 1321.009
1331 OMRON INTELLIGENT SIGNAL PROCESSOR K3TX-AD22A
7481 APPLIED MATERIALS SLIT VALVE DOOR (MXP) 0020-19002
7195 TOKYO ELECTRON UPPER ELECTRODE, 10, (DRM2) 1D10-201082-12
12954 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
注:聯系我時,請說是在“傲立機床網”上看到的,謝謝!