在全球范圍內(nèi)采購自動(dòng)化零件
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集散控制系統(tǒng)（Distributed Control System－DCS）集計(jì)算機(jī)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(jì)算機(jī)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(shí)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(xiàng)目中，對3個(gè)生產(chǎn)單元已有的DCS和PLC進(jìn)行改造，增加通信功能，實(shí)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(gè)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(gè)生產(chǎn)單元進(jìn)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(qiáng)監(jiān)控手段，確保各生產(chǎn)裝置的正常運(yùn)行，急需對各生產(chǎn)單元和總調(diào)度室進(jìn)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(jìn)行監(jiān)視管理，及時(shí)了解各裝置的運(yùn)行情況，達(dá)到指揮及時(shí)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(shí)時(shí)性。首先對自控程度較高的3個(gè)單元進(jìn)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(diǎn)信號；7塊開關(guān)量輸出信號卡，可輸出112點(diǎn)信號；3塊模擬量輸入信號卡，可采集24點(diǎn)信號。兩套AB—PLC通過DH＋（數(shù)據(jù)高速通道）實(shí)現(xiàn)數(shù)據(jù)共享。在原有的現(xiàn)場控制計(jì)算機(jī)上分別增加以太網(wǎng)卡，通過以太網(wǎng)將實(shí)時(shí)數(shù)據(jù)送到總調(diào)度室處理。??輸出192點(diǎn)信號；1塊模擬量輸入信號卡，可采集8點(diǎn)信號。系統(tǒng)運(yùn)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(tái)現(xiàn)場操作站，用點(diǎn)對點(diǎn)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(jì)算機(jī)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。
9667 CKD 8 SLOT SOLENOID MANF VLV(N4S020) W/ SLAVE STATION (OPP3-1H) N4S0-T5614913 PULNIX COMPACT MONOCHROME CAMERA W/ TAMRON 300875 TM-7CN
T256 MKS BARATRON PR TRANSD 10 TORR LAM 853-031399-R001-C-ELM 625A11TDE
2131 PROLOG PCB, TTL I/O CARD PWB111469-003
T159 MKS VACUUM ISOLATION SYSTEM CV7627B-42
15890 APPLIED MATERIALS ISOLATOR, DC BIAS 0020-20114
15659 TOKYO ELECTRON PCB,CSS BOARD#2 1981-600286-11
15602 APPLIED MATERIALS QUARTZ PIN, STANDOFF, COOLDOWN 0200-35780
3652 WATKINS-JOHNSON PCB, QUAD SSR INTERFACE 905717-001
16564 OEM PCB, SAT7418-3 BOARD 83116-220-01
18817 APPLIED MATERIALS CABLE ASSY, 1.8M 0140-02777
19293 HONEYWELL MINI-PEEPER ULTRAVIOLET SCANNER C7027A 1072
19317 PARKER IB-131 INTERFACE 99-000018-01
14434 APPLIED MATERIALS CATHODE SWITCH COVER PRECLEAN 2 0020-24412
14435 APPLIED MATERIALS CATHODE INTLK COVER PRECLEAN 2 0020-24411
14904 APPLIED MATERIALS CABLE ASSY, MODIFIED FACILITIES PANEL 0150-09064
2160 WATKINS-JOHNSON PCB, O3 INTERFACE PWB 906106-001
16256 ENI IMPEDANCE MATCHING NETWORK, MATCHWORK-10D MW-10D
10918 RFPP RF AM-10 AUTO MATCHING NETWORK, 1000 WATTS, 13.56 MHZ 7610807010
9587 APPLIED MATERIALS ASSY SABPSG 8' T1SABB THICK 0010-10521
5378 OMRON SYSMAC 8-SLOT PROGRAMMABLE CONTROLLER PLC CPU11 C200HE
21829 MITSUBISHI AC SERVO MOTOR HC-KFS13BK-S9
13474 APPLIED MATERIALS CABLE, EMC COMP, ANALOG #1 GAS 0150-76225
20580 EMI PCB ASSY, SUNG WEI 11620-01P-707(E1) 098-11620-00
20961 OMRON PCB, TEMPERATURE CONTROLLER, 3385804-8C E5ZT-N08TC01
20913 APPLIED MATERIALS HARNESS ASSY, DR 11-12-13-14 MTR ENC 0140-70601
20910 APPLIED MATERIALS HARNESS ASSY LL MOTION SV I/O PRODR XP 0140-62711
12931 VEXTA 5-PHASE STEPPING MOTOR, 0.72°/STEP UPH566G-A
6118 SAM MFC FANTAS MASS FLOW CONTROLLER SFC480F1M0-4VP
647 ALLEN-BRADLEY 160 SSC VARIABLE SPEED DRIVE SSC 160-AA03NPS1P1
12095 CUH VARIABLE FREQ DIGITAL CNTLR FOR VIBRATORY FEEDER SVF-188-N1
2616 HEIDENHAIN EXE 612, NTN INTERPOLATION BOX, SRZ-018 271 183 02
2391 OMRON TEMPERATURE CONTROLLER E5CW-QP
16239 APPLIED MATERIALS FTG DBL SIDED KF40 W/1-1/8NPT 3300-04289
17555 BANNER HEAVY DUTY FIBER OPTICS 90CM, 21087 BAR.753SMRA
21648 BROOKS PCB ASSY (D-CONN) FOR 5851EM SNSR ASSY 5851EMA3EKTHDKC S097Y847AAA
8527 FURON SBVM144 DIAPHRAGM VALVE SBVM 1/40R 1/4 FNPT
9290 CHUO SEIKI STAGE LINEAR POSITIONER LS-612
16658 APPLIED MATERIALS SHIELD, TAPERED, 200MM 0200-10194
16601 APPLIED MATERIALS COVER CHAMBER TOP 0020-75140
14449 SMC SOLENOID VALVE ASSY VX3134M
15619 APPLIED MATERIALS APERTURE PLATE 0020-98420
21766 NIDEC SERVO STEPPER MOTOR W/ ENCODER RENCO-R35I KH56KM2B082
21811 YASKAWA ELECTRIC AC SERVO MOTOR W/O ENCODER COVER SGM-01U3B4L
21804 FAULHABER DC SERVO MOTOR W/ MINIMOTOR 23/1 66:1, P/N: 942193 2842S012C
16123 APPLIED MATERIALS LINE,UPPER EXHAUST WXP CHMBR D 0050-76670
14969 CLIPPARD 8-PORT ELECTRONIC PNEUMATIC MANIFOLD BOARD PCB EMC-08
15215 APPLIED MATERIALS MANIFOLD CLEAN GAS 200MM PRODUCER 0021-04297
12149 BAUMER DIFFUSE PHOTOELECTRIC SENSOR OZDK 10P5101/S35A
14888 APPLIED MATERIALS I/O BLOCK, 300MM MAINFRAME DEVICE NET, DIP294 0190-13220
20039 ENTEGRIS FAST VENT DIFFUSER SI5M028E05
20611 APPLIED MATERIALS FEED THROUGH ASSEMBLY, 16CM 0048-20048
1330 LEYBOLD TURBO VACUUM PUMP, TURBOVAC 50 85402
8651 HITACHI POWER MODULE (TYPE 0332) 8-0114
20602 ROHDE & SCHWARZ DIODE POWER SNSR 100KHZ - 6GHZ 10NW - 500MW 4.8M NRV-Z5
22045 TSUKASA ELECTRIC DC GEARED MOTOR W/ GEARHEAD 611A-SU-85.3-F575
21754 SUPERIOR ELE SLO-SYN STEPPING MTR W/ BALL SCREW M061-LF-517
16410 SWAGELOK SURFACE MOUNT METERING VLV WITH ADAPTER 0040-52246
19912 VETRA SYSTEMS PCB ASSY 60-0000-0004-02
4972 APPLIED MATERIALS BASIC FI ALIGNMENT & LEVELING TOOL KIT 0242-19783
15857 APPLIED MATERIALS RF MATCH ASSY ETCH-OBS 0010-00548
2873 SMC PRESSURE REGULATOR W/ NAF2000 & ISE4-T1-25 NAR2000
3527 VERTEQ FREQUENCY GENERATOR 10 AMPS ST800-C1-MC2-QTZ
4620 ORIENTAL MTR REVERSIBLE MTR W 4GN18K GEAR HEAD & MOUNTING PLATE 4RK25GN-C
12225 CARTEN ULTRA-HIGH PURITY DIAPHRAGM VALVE SPDS 250
11042 ROTRONIC HYGROFLEX HUMIDITY TEMPERATURE TRANSMITTERS HF520-WB1XX1XX
21414 APPLIED MATERIALS PIN SLOTTED RF CONTACT PRODUCER 0021-37863
21506 APPLIED MATERIALS VARIAN PLATE INSUL MOUNTING FILAMENTS E17284830
10246 APPLIED MATERIALS FLTR HSG BRS HD SST SUMP 1 CRTG 3/4 IN 4020-01013
6344 HORIBA-STEC MFC Z500 SEC-Z522KXN
16615 APPLIED MATERIALS TOOL, PRECLEAN II HOOP ALIGNMENT 0270-20087
16751 APPLIED MATERIALS CABLE ASSY, TERMINAL INTERFACE 0150-20143
18949 LAM RESEARCH CABLE ASSY, 5M 833-800785-014
18948 LAM RESEARCH CABLE ASSY, 5M 833-800785-013
18947 LAM RESEARCH CABLE ASSY, 5M 833-800785-012
10606 LAM RESEARCH TOP GROUND RING 615-00325-010
9041 APPLIED MATERIALS 300MM ETCH 1 ULTIMA LOAD LOCK BELLOW 0040-85643
11359 TOKYO ELECTRON PCB E2B023-12/ECUM, E2B024-11/ECUD E2B023/ECU
B67 ADVANCED ENERGY MDX PINNACLE POWER SUPPLY 3152338-018A
12964 APPLIED MATERIALS GAUGE, PIRANI CAPACITANCE, 1.33 CONFLAT 3310-00073
7857 MET ONE REMOTE PARTICLE COUNTER R4903 LL .3M
12574 APPLIED MATERIALS 200MM CASS''T HNDLR BASIC ASSY,MNL FEND,P 0010-03166
2585 LAM RESEARCH PCB 24 CH TEMP CTL MB 810-028295-161 853-049542-161
8545 AUSTIN INTEGRATED SYSTEMS PCB PNEUMATIC BD FOR AMAT P5000 BES-530-12S
19560 LAM RESEARCH BAFFLE PLATE 8'' 715-011912-083-J-1011232-AUK-15-144-1160
19562 LAM RESEARCH BAFFLE PLATE 8'' 715-011913-083-H-1011232-AUK-15-132-0835
4101 ENDRESS+HAUSER LIQUISYS-P CPM220-21AA02
13160 APPLIED MATERIALS PCB GAS PANEL INTERFACE (W/O STANDOFF) 0100-76046
13499 APPLIED MATERIALS GASLINE INSERT, CHBR FEED THRU, 300MM 0050-90653
13978 APPLIED MATERIALS PCB,300MM HDPCVD CHAMBER DIST.BD 0100-01781
14815 APPLIED MATERIALS HOOP LEFT EXTENDED 8/6 B101 0021-04248
15179 ASML DC MOTOR W/ ENCODER 2MC-H500-N 4022.436.1575
16850 LAM RESEARCH PCB LONWORKS ETHERNET ADIO RS485 810-227611-002
18798 ADVANCED ENERGY PCB, DRE CESAR3-MAIN V2.1 LY210109
8116 TOKYO ELECTRON PCB ASSY, 1181-000537-12, 118100053712 MC-31106A
14114 ASML PCB, PM CIB/CCBNC W/ 4022.192.92541.1 & 4022.192.92421 4022 268 0009
2088 SVG PCB, SHUTTLE INTERFACE, 03-80267B-01 99-80267-01
注：聯(lián)系我時(shí)，請說是在“傲立機(jī)床網(wǎng)”上看到的，謝謝！
