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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(zhǔn)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。
8130 TOKYO ELECTRON PCB POWER CONTROL BOARD (808-521630-1) W/ 881-6 881-521630-111793 LAM RESEARCH PCB, A4 GAS BOX INTERFACE, VMIVME MODEL 5530S 810-077433-002
4115 MITSUBISHI AC SERVO DRIVE, 400W AC200V-230V 50/60HZ 2.8A MR-H40A
B38 ULVAC HIGH VACUUM PUMP VLP-US 50KF
21837 YASKAWA ELECTRIC AC SERVO MOTOR SGMAH-A5A1F41
10273 MYCOM 5-PHASE-SPEED STEPPING MOTOR PS566-B
21796 NIDEC NEMICON ROTARY ENCODER HES-36-2MHC
21807 NIDEC MOTOR PBS SERIES GEARED STEPPING MOTOR SP-3973
12344 COMET MOTORIZED VACUUM CAPACITOR W/ PK266-02AR22 MTR CVHE-330AC/10-AAAD-A
11518 TEL BOARD CONN CHEM #02 W/ BOARD IO CHEM #02 (OYDK-059) OYDK-062
6415 BRONKHORST MFC HIGH TECH EL-FLOW METER CONTROLLER F-201C-GAC-88-V
22397 NATIONAL INSTRUMENTS PCB, DATA ACQUISTION CARD PCI-MXI-2
6579 HORIBASTEC CRITERION MFC, GAS: AR, 500SCCM, AMAT 0190-46970 D514MG
4714 NEWPORT CONTROLLER 230V 2.5W IDP-1/E
16605 APPLIED MATERIALS HARNESS ASSY, GEN RACK WATER DETECT INT 0140-20352
16078 VAT CRANK BOLT KIT, SERIES 140, GTV, DRY BRG 205048
17621 APPLIED MATERIALS VENT LINES BRACKET 3 OF 3 0020-23633
18100 NM LASER SAFETY INTERLOCK LASER SHUTTER LST400S24B
18215 APPLIED MATERIALS STRAP RF B101 WATER BOX 0021-20368
19675 APPLIED MATERIALS KIT SHIPPING CLAMP PER CVD CHMBR 0240-09298
19786 FUSION PCB, SMIF POD BASE/WAFER DETECT INTERFACE BOARD, 414541 414551
13573 OMRON INPUT UNIT, 24VDC CJ1W-1D231
14621 TOKYO ELECTRON LS CN BOARD, PCB 1B81-001551-11
17419 ASIA PCB, FNC-MOD Z00S04M0132A
4360 MITSUBISHI MELSEC PROGMABLE CONTLR FX0N-8EYR-ES/UL FX0N-16EX-ES FX2N-80MR
8837 MITUTOYO ABSOLUTE DIGITAL INDICATOR GAUGE (543-683B)
2402 RS CONDUCTIVITY METER 180-7127
10262 APPLIED MATERIALS SOURCE TOPCAN ASSY 0040-02496 (TETRODE) NEW 9010-00427
21215 APPLIED MATERIALS ASSY, RF PEAK VOLTAGE, CATHODE, DPS 0090-09165
8191 TELEFRANK MODUL ST32 013501-167-27
11453 PARKER COMPUMOTOR, 4-AXIS INDEXER AT6400-AUX1-120V
10580 ADVANCED ILLUMINATION CONSTANT CURRENT SOURCE, 24 VDC CS420
13051 LAM RESEARCH 12-SLOT BAR STOCK MANF W/8 X SY114-5MOU 772-801282-001
3527 VERTEQ FREQUENCY GENERATOR 10 AMPS ST800-C1-MC2-QTZ
17250 CARL ZEISS AUXILIARY OBJECTIVE AXIO EYEPIECE, 44 48 30 444830
21495 TOKYO ELECTRON ORIFICE, PTFE, FLOW PICKUP .040 416442-040
6590 HORIBASTEC SERIES Z700 MFC GAS: H2 1000SCCM AMAT 0190-41105 SEC-Z714AGX
20587 OEM PCB ASSY VTR-P3AP3E
20796 SANKEN PCB ASSY PKG5 PDA10112A
21116 APPLIED MATERIALS HARNESS PRODUCER CABLE, 2.1M 0140-12645
20794 SANKEN PCB ASSY PKG3 PDA10110A
2106 OMRON TEMPERATURE CONTROLLER E5ZT-N08TC01-1
2223 APPLIED MATERIALS ENDURA 2 ELECTRONICS TOWER CCT PSU (101714-01) 0190-34624
14420 GEMS SENSOR FLOWMETER FLOW SENSOR 217362
20514 PICKERING INTERFACES PCB, 3U BACKPLANE 24HP SPLIT 013-422
2244 CHUO SEIKI REMOTE CONTROLLER 2-AXIS X-Y STAGE MOTOR DRIVER MMC-K MMC-2K
11610 COSEL 5V/5A 24V/9A POWER SUPPLY LEB225F-0524
6292 UNIT MFC 8161 UFC-8161C
982 CAMCO VARI-PAK DC MOTOR SPEED CONTROL W/O ADJ KNOB PN:92A61633010000 NEMA-12
1695 FUJIKIN DIAPHRAGM VALVE, TYPE N.C., O.P. 0.34~0.69MPA 100095
13475 APPLIED MATERIALS CABLE DIGITAL #1 GAS PANEL, CABLE 0150-76222
7885 PARKER HANN COMPUMOTOR DRIVE OEM SERIES CP*OEM750X-10624
7116 APPLIED MATERIALS PUMPING RING,PMD ETERNA,PRODUCER SE 0020-31178
12838 TOKYO ELECTRON PCB, TAB22A-1/PURF2-LF W/ 2X 2L81-050032-11 2L81-050039-11
274 BROOKS EQUIPE ATMOSPHERIC TRACK ASSY 6-0000-4298-PC TRA 076-LPD-BST
5813 APPLIED MATERIALS HONEYCOMB COLLIMATOR, 1/2" HEX: 1,8 INCH 0020-23811
22108 OEM MTR ASSY W/ GEARHEAD 12VDC 30RPM 140611 36JX30K100G6.35D/3685-1230
7906 NOVELLUS GATE, VAT INSERT CASS W/ PERFL 60-10312-00 78510-R1
1660 RIKEN KEIKI GAS INDICATOR MODULE, RKP-62069 EC-582
20435 APPLIED MATERIALS LEG CRYO RESTRICTOR HIGH PRESS W/B CH 0020-22672
19052 VARIAN ASSY E17275912
16325 OERLIKON LEYBOLD TURBOVAC TURBO PUMP TMP 361
11735 APPLIED MATERIALS CABLE, 24VAC, REAR SERVICE LAMP 0150-35662
21084 LAM RESEARCH CABLE ASSY 853-194814-101
20780 EATON PCB, FLAG FARADAY FILTER BOARD, 1517370 1417370
21105 APPLIED MATERIALS CABLE ASSY, 2.8M 0150-29976
21106 LAM RESEARCH CABLE ASSY, 0.4M 853-021132-711
20563 POWERWARE PCB, EE FRONT CONTROL PANEL, 118302709 101072887-010
6095 HORIBA-STEC MFC SEC-Z1ODW SEC-Z313M
21901 TERADYNE PCB ASSY, TW905 950-905-01
336 SMC FILTER:AF40-04 x2 SS VALVE:AV4000-04-5DZC AC40-SGF266
11781 HP PCB AGILENT UTG PIN BOARD, 33-3639 E3121-66501
4285 PULS POWER SUPPLY DPD 155.131
12172 FESTO LF FILTER, D SERIES, 5UM, 240 PSI, P/N: 192558 LF-D-5M-MIDI
12887 FUJIKIN DIAPHRAGM VALVE, TYPE N.C., O.P. 0.34~0.69MPA 22779
6111 UNIT MASS FLOW CONTROLLER UFC-1100AN
10669 OMRON PHOTOELECTRIC SWITCH SENSOR E3S-BT61-L
13873 APPLIED MATERIALS ENDURA/CENTURA PIK 8IN SNNF COMSUMABLE K NEW 0040-00723
16128 APPLIED MATERIALS ELBOW 90 DEG FLANGE NW40/NW50 0221 0227-03335
11261 VERIFLO HIGH PURITY REGULATOR, P/N: 45800483 SPR861W3P01TS12FSMTS12V
15980 MTROLA PCB SINGLE BD COM 84-W8620F01B 01-W3620F33B MVME 167P-34SE
13295 TEKTRONIX PCB, DRAM/PROCESSOR BOARD 671-2771-00
13395 LAM RESEARCH PWR, RF GENERATOR CABLE 853-001583-016
15931 LAM RESEARCH RF CABLE, 6.4M 834-036619-021
16118 APPLIED MATERIALS BASE, HEATER, GIGA-FILL SACVD 0021-36008
16929 APPLIED MATERIALS FLOW SENSOR MAINFRAME UMBILICAL 0150-76455
16463 APPLIED MATERIALS CABLE ASSY CHY ENABLE VLV 0150-24396
16464 APPLIED MATERIALS CABLE ASSY CHY ENABLE VLV 0150-24394
16456 APPLIED MATERIALS CABLE ASSY CHX FNABLE VLV 0150-29985
16972 APPLIED MATERIALS WELDMENT VLV MANF 4 STATION 0010-47446
19559 LAM RESEARCH BAFFLE PLATE 8'' 715-011913-086-C
15188 APPLIED MATERIALS MTR ENCODER ASSY ROBOT EXTENSION 0090-02953
3389 ASYST FRONT WAFER LOADER CASSETTE NEST PT 2080
146 LAM RESEARCH PCB CONNECTION CARD 810-17061-1
12852 NOVELLUS SYSTEM CONTROLLER, P166/64, 24V 02-127707-00
9570 OMRON PA203 PROGRAMMABLE CONTROLLER CPU43 W/ OCH, OC222, IPS01, SYSMAC CQM1
10957 COSEL POWER SUPPLY BOARD LEB150F-0512 G
14798 APPLIED MATERIALS COVER SENSOR WBLL 0020-13977
7593 WATLOW TEMPERATURE CONTROLLER TYPE 4X AND 12 ENCLOSURE EC12RG-AAAAEE
15615 APPLIED MATERIALS LIFT PLATE FIXED LIFT PIN 200MM PROD 0200-02577
T94 BROOKS BARATRON, PRESSURE TRANSDUCER, CMC SERIES,10 TORR CMCAT1122AR
14695 TOKYO ELECTRON PCB, DATA-IN2.. TTL-T0062 2181-020169-11
16709 APPLIED MATERIALS CABLE ASSY, RPS2, NF3, OVER PRESSURE 0150-76428
19884 APPLIED MATERIALS HTR INJECTION VALVE,LIQ INJECTOR 50W-120 1410-01054
16752 APPLIED MATERIALS CABLE ASSY, ECI PCB TO EV MANI. 418660 0150-10384
15614 APPLIED MATERIALS THREADED NOZZLE ALL CERAMIC 2.55L 110% NEW 0200-03018
12259 FUJIKIN PNEUMATIC ACTUATOR BELLOWS VALVE, O.P. 0.34 ~ 0.69MPA 100087
8980 APPLIED MATERIALS MKS REV3.0 G4 PLUS 4-PORT UPA 300MM REFL 0190-38324W
11434 EDWARDS PUMP DISPLAY TERMINAL, 5WAY XLR PLUG D37280700
12774 SMC HIGH VACUUM VALVE XYD-80K-M9PA
T51 BARKSDALE PRESSURE TRANSDUCER, 0-100 PSIG, CVD-2000 803H4-004
17705 SCV KITZSCT BELLOWS VALVE, FKM-SEAT IB80S-VMF-STD-31
19305 GENGE&THOMA GSI LUMONICS LINEAR MOTION TRANSDUCER, ART.15-012.12 HP-15-12
14994 TEL PCB ASSY T-BAWL CTRL UNIT MDIF-01A 2184-020337-11 MDIF-01A-1
8130 TOKYO ELECTRON PCB POWER CONTROL BOARD (808-521630-1) W/ 881-6 881-521630-1
6141 HORIBA-STEC MFC UR-7340 AUTO PRESSURE REGULATOR UR-7340MC
12744 APPLIED MATERIALS SHLD PLATEN BRG FULLVISION N-CUST REFL 0041-11526
注：聯(lián)系我時，請說是在“傲立機床網(wǎng)”上看到的，謝謝！
