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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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全球配送
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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。
12393 VEXTA 5-PHASE SE6407 UNIT MFC ULTRA CLEAN METAL SEAL UFC-1560A3644 YAMATAKE-HONEYWELL TEMPERATURE CONTROLLER SDC40
12178 TURCK INDUCTIVE SENSOR BI10R-W30-DAP6X-H1141
11928 LAM RESEARCH PCB, GAS BOX INTERLOCK 810-017075-004
1266 OMRON TEMPERATURE CONTROLLER E5AX-A20
7578 APPLIED MATERIALS COVER RING, 200MM, BESC, TITANIUM 0021-18436
10687 OAKTON ECONOMY METER PH 11
22293 VARIAN LINER WIDE EXIT RES E17388480
22287 COMPACT PNEUMATIC CYLINDER QJ92-1642-A
1235 SEMTRONICS LIMIT SWITCH SETTING EN452
4333 VEXTA 5-PHASE STEPPING MOTOR A4483-9215KM
20731 ADVANCED MOTION CONTROLS BRUSH TYPE PWM SERVO AMPLIFIER 12A8K
1670 PARKER KAYVALVE KAY VALVE KV 9 45F
5513 OEM INTERFACE BOARD D4EX34222 IFB-ZWT03A
7692 HORIBA-STEC INJECTION VALVE P/N:0190-14878 IV-2410AV-02L
2324 CAL CONTROLS TEMPERATURE CONTROLLER 9900 991.11C
20597 ADVANTECH PCB, BACKPLANE BOARD, 190K610620 PCA-6106P4
5028 APPLIED MATERIALS HARNESS ASSY PRECLEAN CHAMBER CLEAR LID 0040-70969
7778 VAT SEAL KIT GATE W/BONNET 82598-R1
17756 APPLIED MATERIALS E84 PI/O AGV/RGV HOKUYO DMS-HB1-V 0190-02688
12882 MKS SINGLE-CHANNEL POWER SUPPLY/READOUT 246C
563 ETO 2.0MHZ WATT METER, ARX-X256, ABX-X23 ABX-X276
12096 MYCOM 5-PHASE STEP DRIVER UNIT, AC200-220V IMS51-120
11222 VAT SERIES 07 ATMOSPHERIC DOOR L-VAT VALVE ACTUATOR 0750X-VE24
1178 TELETRON REGULATED DC POWER SUPPLY TC-2404Q
3038 LEYBOLD VAKUUM THERMOVAC SENSOR TR 216 15787 15777 TR216
11550 ALLEN-BRADLEY CONTROLLOGIX, 8 AXIS SERCOS INTERFACE MODULE 1756-M08SE/B
12477 INFICON BALZERS LI-9496 PIRANI GAUGE W/O SENSOR, P/N: 353-500 BPG400
4257 VAT GATE VALVE W/ PLATE AND CONTROLLER 14036-PE24-AAC1
9636 APPLIED MATERIALS PCB SIGNAL CONDITIONING BOARD SCHEM. REF: 0130-0100-01185
11658 APPLIED MATERIALS CABLE ASSY 15A 120V L5-15P IEC320-C13 14 0620-01715
9164 FUJI PXR-4 TEMPERATURE CONTROLLER (LOT OF 3) PXR4TEY1-1Y000
15333 ZEISS 960 S.E.M PCB, 348338-2002 348338-9020-2002
T56 MKS VACUUM SWITCH TYPE 141, 1 TORR 141A-22945
19293 HONEYWELL MINI-PEEPER ULTRAVIOLET SCANNER C7027A 1072
1260 LOVE CONTROLS CORP SELF TUNE PLUS TEMPERATURE CONTROLLER 321
4997 APPLIED MATERIALS BRKT GASLINE CLAMP PLATE PROD SE MKII 0021-26241
23402 APPLIED MATERIALS ASSY GAS BOX 150MM WSI, 5000 CVD, 0020-31035 0010-09806
11769 VERIFLO PARKER P-SERIES BELLOWS VALVE, P/N 44900303 4A-P4K-11AC-SSV
7271 KIDDE HART200 HIGH SENSITVITY SMOKE DETECTOR 53541-501-02ER
7232 KAYDON APPLIED MATERIAL BEARING ASSY, OD 22CM, ID 20CM 15965001
15301 APPLIED MATERIALS ASSY SENSOR WAFER SM312C V2 W/ BRACKET 0090-20105
PPING 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
注:聯系我時,請說是在“傲立機床網”上看到的,謝謝!