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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。
3753 DIGI 32-PORT TERMINAL SERVER ETHERLITE 325064 KOLLMORGEN POWERMAX II 1.8 DEGREE STEP MOTOR M21NSXC-LSS-SS-02
2058 NIKON WAFER LOADER WL-2
9611 HP PCB AGILENT PIN BOARD (A-3821) E3120-66561
4955 APPLIED MATERIALS FORELINE THRU THE FLOOR WELDMENT 0050-60044
14780 APPLIED MATERIALS BLOCK,MIXING,CHAMBER LID,GIGA-FILL SACV 0040-36223
10440 EUTECH INSTRUMENTS PH/MV/CONDUCTIVITY/C/F METER PC 2700
20605 NOVELLUS PCB MOD CONT DC/VC CONVERTER 27-053425-00 03-053424-00
21338 LAM RESEARCH FAN MOUNTING BRACKET 714-087266-001
10076 NOVELLUS CABLE ASSEMBLY, 102347 0912 03-409637-00
12239 VERIFLO UHP DIAPHRAGM VALVE HIGH FLOW MANF, P/N: 45300401 955Y3NC/NCFSFFFB
3537 ALLEN-BRADLEY DC OUTPUT MODULE 10-60 VDC 1771-OBD C 1771-0BDC
13235 RECIF PCB, PCB0371B STDBH0371A
13445 LAM RESEARCH DISK CALIBRATION 8" 715-042856-004
14108 APPLIED MATERIALS ASSY THERMAL ELEC DRIVER 0090-09061
14218 EBARA TECHNOLOGI MOUNT BRACKET C-3106-231-0001
4583 APPLIED MATERIALS CABLE ASSY, EMO REMOTES, 0150-15262
14335 APPLIED MATERIALS OUTER SHIELD,TXZ 200MM 0021-03980
14858 APPLIED MATERIALS BLOCK ROTATION LOCK INDEXER 0020-36378
15329 LAM RESEARCH PCB, AUTOETCH 490 LRC 2896A
15338 LAM RESEARCH BELL JAR INSULATOR CAP 716-021720-001
15308 APPLIED MATERIALS LIFT PIN CONDUCTIVE, LONG 0020-32164
15348 APPLIED MATERIALS ROTATION LOCK, MANUAL INDEXER 0020-40923
15350 APPLIED MATERIALS SUPPORT ACTUATOR SHUTTER LINKAGE 0020-24781
15484 APPLIED MATERIALS CENTURA SCREEN BAFFLE ASSY CORROSION 0010-76932
7611 ESCAP DC SERVO MOTOR NFOA01A40520
15884 APPLIED MATERIALS SHAFT WING, FROG LEG 0020-20399
15894 APPLIED MATERIALS HOLDOWN RING,VIEWPORT 0030-70084
16714 APPLIED MATERIALS HARNESS ASSY, TC INTERFACE 0150-20197
16144 APPLIED MATERIALS COVER, TC AMP,DXZ 0021-09948
16145 APPLIED MATERIALS HOUSING MAGNETICALLY COUPLED ROTATION 0020-36031
16157 APPLIED MATERIALS ALIGNMENT TOOL FROG LEG ROBOT 0040-20095
16695 APPLIED MATERIALS HARNESS ASSY, TURBO INTERCONNECT, SEIKO- 0140-04033
16187 LAM RESEARCH BELLOWS, INNER GATE 839-012255-001
16721 APPLIED MATERIALS HARNESS ASSY, VME-EP, HD 0140-09506
907 APPLIED MATERIALS WELDMENT, PROCESS GAS, SIDE, DPS 0050-31429
2492 APPLIED MATERIALS SHIELD 8" PCII @C & D 0020-26588
17758 NOVELLUS CABLE ASSY, 6.5M 03-279891-00
17516 SPECTRA-PHYSICS PCB, ARM BREAK RELEASE LZT-9019
17933 PALL FILTER ASSY, GASKET SEAL GLFF4581VMM4
7661 APPLIED MATERIALS VLV CHECK RETURN ADAPTER HE 3870-03651
13249 APPLIED MATERIALS INSULATORS, LAMP CAVITY, RIGHT 0200-20162
13234 RECIF PCB, PCB0372B STDBH0372A
14136 CONDOR DC POWER SUPPLY, PCB 02-91113-0001
14295 APPLIED MATERIALS SCG100 GAUGE, 10 TORR 0190-48920
14860 APPLIED MATERIALS BRACKET, HINGE, UPPER SHROUD 0020-35789
15084 APPLIED MATERIALS CATHODE POSI DECODER 0010-00151 0100-00041
15085 APPLIED MATERIALS CABLE ASSY,INTERLOCK JUMPER 0150-35796
15349 APPLIED MATERIALS STOP ACTUATOR SHUTTER LINKAGE 0020-24782
15357 APPLIED MATERIALS SPACER LOWER GUARD BTM SHIELD 0020-02922
15513 LAM RESEARCH PLATE,LOWER BAFFLE,6" 715-028627-002
2466 PROLOG PCB, UNIVERSAL I/O CARD PWB 110494-001
55 PL PCB ASSY Z80 PROCESSOR, 108810 108811
16036 APPLIED MATERIALS FLANGE ELBOW WELDMENT, BARATRON 0050-35182
15905 VAT KIT BELLOWS FEEDTHROUGH, 790-088439-002 431380
16700 APPLIED MATERIALS PRESS. TRANS. HRN 11-13 0140-10034
16134 APPLIED CERAMICS BUFF WINDOW,QTZ 91-01920A
15736 LAM RESEARCH PCB ASSY DC CONTROLLER 810-800086-007
2508 HIRATA PCB, RELAY PROCESSOR BOARD HPC-784A
16662 APPLIED MATERIALS PCB ASSY, LOAD LOCK BEEPER 0100-35279
16947 APPLIED MATERIALS HINGE FOR ORIENTER 5200, 5500 0040-02644
17098 THERMO SCIENTIFIC SMALL TUBE PLASTIC TIP DISPENSING CASSETTE 24073290
17759 NOVELLUS CABLE ASSY, 6M 03-279882-00
18235 APPLIED MATERIALS BOX, TC COVER 0020-04608
18320 APPLIED MATERIALS BELLOWS FINGER LIFT, ALUMINUM PRODUCER 0040-49386
18254 APPLIED MATERIALS PCB ASSY, 0110-00072 0100-00072
18431 OBJET GEOMETRIES PCB, HEAD DRIVER, PCB-00001 BRD-00023
17759 NOVELLUS CABLE ASSY, 6M 03-279882-00
18235 APPLIED MATERIALS BOX, TC COVER 0020-04608
18320 APPLIED MATERIALS BELLOWS FINGER LIFT, ALUMINUM PRODUCER 0040-49386
18254 APPLIED MATERIALS PCB ASSY, 0110-00072 0100-00072
18431 OBJET GEOMETRIES PCB, HEAD DRIVER, PCB-00001 BRD-00023
18767 OEM PCB ASSY, IIL1033A AP-1050C
18823 APPLIED MATERIALS CABLE ASSY, 3M 0140-64958
T213 LAM RESEARCH TYLAN GENERAL PR GAUGE 0-100 MTORR 853-031457-001-3-DFT
2809 COSEL POWER SUPPLY, AC100-240V 50-60HZ P15E-24
9306 ROBOHAND PNEUMATIC ACTUATOR RR-26-128
T130 MKS PRESSURE TRANSDUCER, 10TORR 852B11TCA2GA
9945 ROFIN SHUTTER RESONATOR-EXT.1064NM SH 60 101102388
10273 MYCOM 5-PHASE-SPEED STEPPING MOTOR PS566-B
7614 APPLIED MATERIALS HDP-CVD RPSC APPLICATOR 0010-18132
419 NEMIC-LAMBDA POWER SUPPLY EWS150-24 EWS-150-24
9633 NOR-CAL INTELLISYS IQ SERIES NC TBV-IQA-200-NW-50-S02
15617 LAM RESEARCH RING INSULATOR,UPPER ELECTRODE 716-011536-001
22313 ENGINEERED PARTS & SUPPLY UPPER Z-TOWER BEARING EPS40150
4360 MITSUBISHI MELSEC PROGMABLE CONTLR FX0N-8EYR-ES/UL FX0N-16EX-ES FX2N-80MR
2369 SEEK ELECTRONICS TEACHING UNIT AS-RU52
21782 MCG BRUSHLESS MOTOR W/ ENCODER C8 IB23811-1
13593 FAULHABER SERVO MOTOR W/O ENCODER NFOA01A33105
2663 LAM RESEARCH PCB, LOCKER DOOR CONTROLLER BOARD 714-008703-001
21312 APPLIED MATERIALS HEATER JACKET SLEEVE 1410-02174
21409 APPLIED MATERIALS CABLE ASSY PC BASED ENDPOINT INTERFACE 0150-09526
10467 APPLIED MATERIALS CHAMBER UPPER LINER 0021-10223
16127 APPLIED MATERIALS EXHAUST LINE 0050-76709
9570 OMRON PA203 PROGRAMMABLE CONTROLLER CPU43 W/ OCH, OC222, IPS01,
注:聯系我時,請說是在“傲立機床網”上看到的,謝謝!