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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。
14762 APPLIED MATERIALS BLOCKER, PERF, SILANE, NITRIDE550 0021-3974814680 APPLIED MATERIALS EXHAUST LINE SPOOL PIECE 0050-76066
14739 LAM RESEARCH RING, CONFINEMENT, VESPEL 713-028487-001
17795 ADVANCED ENERGY PCB, CEX, RFG 1250 2305195-B
17796 ADVANCED ENERGY PCB, CEX, RFG 1250 2305155-A
17525 IDI PCB ASSY, 1-130-033 1-139-033
5232 APPLIED MATERIALS PCB - TC FILTER BOARD 0100-18051
21854 ORIENTAL MTR VEXTA STEPPING MTR W/ GEARHEAD AMAT 0020-62606 ASM46AK-B9
15629 COMET VARIABLE VACUUM CAPACITOR 5-500pF, 5KV/3KV CV05C-500X/5
10029 NAGANO KEIKI ELECTRONIC PRESSURE SWITCH 2MPA ZT30-236
8871 OMRON TEMPERATURE CONTROLLER E5CK-RR1F
1129 FINNIGAN MAT PCB BOARD 103339
19549 OEM SPINDLER W/ BEARING 204812
18302 OEM PCB ASSY AMT-75301PB
12393 VEXTA 5-PHASE SEPPING MOTOR, 0.036° A5805-9015KTGE
3073 NSK ESA SERVO DRIVER ESA-Y3008T23-21
4993 APPLIED MATERIALS MAINFRAME - SYSTEM SOFTWARE 2.5_33 410473-DF
11942 VEXTA PCB, 5-PHASE DRIVER W/ H/A INT CONN 881-620881-6 CSD5714A
6203 MYKROLIS MFC INTELLIFLOW 3XP AARGD40W1
7232 KAYDON APPLIED MATERIAL BEARING ASSY, OD 22CM, ID 20CM 15965001
6539 HORIBA-STEC SERIES Z700 MFC, AMAT PN: 0190-41108 SEC-Z724AGX
21543 KLA-TENCOR BRAKE ASSY, Z-STAGE 52-0365
10271 ASML PHASE MODULATOR LASER BOX RACK 4022.437.11221
21463 LAM RESEARCH ASSY, PWR CORD, TEMP, CNTRLR 853-034012-003
2223 APPLIED MATERIALS ENDURA 2 ELECTRONICS TOWER CCT PSU (101714-01) 0190-34624
6299 SAM HITACHI MATERIALS MFC SFC1480MC-4VQ24
8278 STARRETT DIAL INDICATOR 25-211J
1275 VEXTA MOTOR BRUSHLESS DC MOTOR HBLM210K-GN
8724 VAT SLIT VALVE ASSY 0340X-CA24-BEM1
12548 FUJIKIN DIAPHRAGM VALVE, TYPE N.C. & N.O., O.P. 0.49MPA 91833
1184 SIMCO POWER UNIT A2C7H (1Y)
686 ROBOT MONOCHROME QUAD C/W PLAYBACK MV47
7824 TOKYO ELECTRON ELECTROSTATIC CHUCK 46003AA-90013
7823 TOKYO ELECTRON ELECTROSTATIC CHUCK 05033AA-90013
19162 APPLIED MATERIALS ASP CAP FLANGE 0021-10851
13823 THERMO ELEMENTAL RF PCB, 122930-6 12293100
15055 APPLIED MATERIALS MANIFOLD WATER PL 0020-10135
8259 VARIAN PCB ASSY MULTI VACUUM GAUGE CONTROL BD, E14002390 E15002390
8961 SANYO DENKI PM DRIVER (LOT OF 2) PM-UDPD2A01-22
22049 APPLIED MATERIALS AC SERVO MTR BL SUPER P3 P30B04010DXS8FM 0195-00340
1655 TOKYO ELECTRONIC CCD CAMERA CONTROLLER CS3500
21495 TOKYO ELECTRON ORIFICE, PTFE, FLOW PICKUP .040 416442-040
11658 APPLIED MATERIALS CABLE ASSY 15A 120V L5-15P IEC320-C13 14 0620-01715
9190 NATIONAL LIGHT SOURCE JF21351N
3791 OEM ROBOTIC ARM W/ OLYMPUS AC MOTOR+HI-T ACTUATOR BC10CA52CACDN
13538 DELTA AC SERVO DRIVE, 750W ASD-A2-0721-F
849 APPLIED MATERIALS PLATE COVER 8" DIMPLE C73 BT-01-01-0001
10432 PANASONIC CCD W/ NIKON TV LENS TRINOCULAR COUPLER (C-0.45X) GP-KS162HDE
8256 APPLIED MATERIALS RING WAFER LIFT 200MM 0020-10192
2054 APPLIED MATERIALS PCB 300MM MOTION DIST BD W/ 0100-76146
16650 APPLIED MATERIALS BASE LAMP SLED ASSY W/O HALOGEN 0020-89026
19668 NIKON BINOCULAR MICROSCOPE HEAD W/ CFWN 10X/20 EYEPIECES 37842
5839 TOKYO ELECTRON PCB ASSEMBLY C/W GAS FLOW CHART FLOW MC-31023 2109-320869-12
6024 AERA MFC FC-786 MASS FLOW CONTROLLER TC FC-786
1834 DENSEI-LAMBDA PROGRAMMABLE POWER SUPPLY GEN50-25
6351 AERA MFC FC-PA786C FC-PA786CT-BF
20770 HAYDON SWITCH & INSTRUMENT PCB STEPPER MTR CHOPPER DRIVE 75-305 40105-002
21462 KMS BEARINGS PLASTIC MOUNTED BLOCKS FPL205-AIB-3/4-6
1325 MITSUBISHI AC SERVO DRIVE MODULE MR-J2S-10B
9816 NOVELLUS HEATER PEDESTAL 02-033134-00F
9685 ESC PCB MON (96-2300-27003B) RELAY (96-2300-27002) I0188B
20587 OEM PCB ASSY VTR-P3AP3E
6362 AERA MFC FM-D880 FM-D880
6595 UNIT MFC 3000, N2, 50SLM, 500 PSI MAX UFC-3161
12750 NOVELLUS HAMILTON SYRINGE GASTIGHT 1725, 250UL 20-160221-00
6044 HORIBA-STEC MFC SEC-F730 SEC-F730MCA1-UC
21428 ALLEN-BRADLEY ULTRA3000I SERVO DRIVE 2098-DSD-005X-NV1
8127 TOKYO ELECTRON PCB U/C I/F BOARD (1808-022018-11) 1881-022018
8128 TOKYO ELECTRON PCB GAS I/F BOARD (808-521470-1) 881-521470-1
8688 TOKYO ELECTRON LOW PLATE 300MM 3M10-101634-11
20289 APPLIED MATERIALS HARNESS ASSY, MOTOR POWER 300MM CHAMBER, 2M 0140-11488
9425 APPLIED MATERIALS CLAMP ADPTR ISO 63 TO NW40 QDP80 DRY PUMP 0690-01647
T94 BROOKS BARATRON, PRESSURE TRANSDUCER, CMC SERIES,10 TORR CMCAT1122AR
7826 TOKYO ELECTRON ELECTROSTATIC CHUCK 3Z002AA-90013
5115 EBARA VACUUM PUMP INTERFACE BOX VIF70AME4
22288 NOVELLUS ASSY, CASS DOOR SENS HRNS 03-00074-00
12198 FUJIKIN DIAPHRAGM VALVE, TYPE N.C., O.P. 0.39~0.59 MPA 23727
4997 APPLIED MATERIALS BRKT GASLINE CLAMP PLATE PROD SE MKII 0021-26241
9378 REXROTH ECO DRIVE DKCXX.3-040-7
9683 LUDL MAC22 19" ENCLOSURE INTERFACE MODULE 73002005
1161 SIMCO H 166B POWER UNIT 120VAC 50/60HZ 0.25VA 4001277
8462 CELLNERGY HEATER CONTROLLER BOX TCN4S
14776 APPLIED MATERIALS BLOCKER PLATE, HE, GIGA-FILL SACVD 0021-01570
15531 APPLIED MATERIALS COVER,PEDESTAL, 150MM, CERAMIC 0200-09734
16105 APPLIED MATERIALS SHIM, CLAMPING, GAMMA CU, TITANIUM 0021-21443
17793 ADVANCED ENERGY PCB, RFDS 1500 CONTROL V2 2305174-A
18327 ADVANCED ENERGY PCB RFG 3K INTERCONNECT CE 2305211-B
18796 ADVANCED ENERGY PCB, RFG 3K INTERCONNECT CE 2305703-A
18793 ADVANCED ENERGY PCB, RFG 3K INTERCONNECT CE 2305211-B
13491 APPLIED MATERIALS PRESS. TRANSD. HRN 1-6 0140-09996
13353 VARIAN PCB, DIGITAL I/O BOARD, E15002453 E15002451
7073 ALPHA PLANETARY GEAR HEAD, 20:1 RATIO, 10MM SHAFT, INPUT 6MM ALPHIRA 040-2
22057 AUTOMATION CONTROLS MOTOR, AC-34656 676-099633-004
15272 KEYENCE DIGITAL CMOS LASER SENSOR GV-H45
8914 IWAKI PNEUMATIC DRIVE BELLOWS PUMP FF-10BT2
14995 TOKYO ELECTRON PCB, T-BAWL CONTROL UNIT, MDIF-01A, 118100054012 MDIF-01A-1
8739 CTI-CRYOGENICS ON-BOARD POWER CABLE 12FT (04D01-1084) 8112463G150
19185 APPLIED MATERIALS PIN400+M2 ASSY 0090-B4582
4078 PARALLEL AUTO SWITCH TP-401
8373 OMRON POWER SUPPLY, 24VDC 2.5AMPS S82W-103
20505 UNIPHASE HELIUM-NEON LASER HEADS W/O CABLE ADAPTER 1135P-2478
49 KLA-TENCOR PCB HEURIKON HK68/V2FA MICROCOM B-SIZE 712-450673-00
注:聯系我時,請說是在“傲立機床網”上看到的,謝謝!