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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。
ALLEN BRADLEY 1391B-AA45-A06 SER. B (AS IS)ALLEN BRADLEY 1391B-AA45-A06 SER. B (AS PICTURED)
ALLEN BRADLEY 1391B-AA45-A06 SER. B
ALLEN BRADLEY 1394C-AM07 SER. C NSMP
ALLEN BRADLEY 1398-DDM-020 SER A F/W V1.32 SERVO DRIVE
ALLEN BRADLEY 1492-PLTKIT SER. E UNMP
ALLEN BRADLEY 1502-VC4DBDB-1 SER. F (BR/WH) NSMP
ALLEN BRADLEY 150-A24NBD SER. B NSNP
ALLEN BRADLEY 150-B97NBR SER. B
ALLEN BRADLEY 1746-NR8 SER. A F/W 3.00 NSMP
ALLEN BRADLEY 1746-NT8 SER. A F/W 1.40 NSMP
ALLEN BRADLEY 1747-L532 SER. E F/W 11 DATE: 2015
ALLEN BRADLEY 1747-L532 SER. F F/W 11 DATE: 2015 NSFS
ALLEN BRADLEY 1756-EWEB SER. B F/W 4.011 NSNP
ALLEN BRADLEY 1756-L55M13 PROCESSOR SER. A F/W 1.4 DATE:2008
ALLEN BRADLEY 1756M16SE SER. A F/W 15.37 (BR/WH) NSMP
ALLEN BRADLEY 1756-M16SE SER. A F/W 15.37 NSMP
ALLEN BRADLEY 1771-IFE SER. C F/W B DATE: 2005 NSFS
ALLEN BRADLEY 1771-NR SER. A F/W G RESOLUTION ISOLATED ANALOG * NEW NO BOX *
ALLEN BRADLEY 1772-LP3 SER. A (NO KEY) NSNP
ALLEN BRADLEY 1772-LSP SER. A F/W H PROCESSOR MODULE
ALLEN BRADLEY 1785-KA SER. A F/W E COMMUNICATION DATE: 2004
ALLEN BRADLEY 1785-L40C15 SER. E F/W C.1 PROCESSOR MODULE
ALLEN BRADLEY 1785-L40L SER. E F/W D.1 PROCESSOR MODULE
ALLEN BRADLEY 1791-0A32 SER. B BLOCK I/O MODULE DATE: 2006
ALLEN BRADLEY 1794-ASB SER. E F/W C DATE: 2002
ALLEN BRADLEY 1794-ASB2 SER. D F/W H DATE: 2006
ALLEN BRADLEY 2094-BM03-S SER. A F/W 1.98 NSMP
ALLEN BRADLEY 2098-DSD-030X-DN SER. B F/W V1.52 NSMP
ALLEN BRADLEY 20AD014A3AYYAEC1 SER. A F/W 5.001 NSFS
ALLEN BRADLEY 20AD022A3AYYAEC0 SER. A F/W 5.001 UNMP
ALLEN BRADLEY 20AD022C0AYNANC0 SER. A F/W 5.001 NSNP
ALLEN BRADLEY 20AE9P0C3AYNNNNN SER. A POWERFLEX 70 * NEW NO BOX *
ALLEN BRADLEY 20BD022A0AYNANC0 SER. B F/W 10.003 REMAN
ALLEN BRADLEY 20BD034A0AYYANA0 SER. A F/W 3.0002 UNMP
ALLEN BRADLEY 20BD034A0NYNANA0 SER A AC INVERTER
ALLEN BRADLEY 20G11ND027AA0NNNNN SER. A F/W 3.004 NSMP
ALLEN BRADLEY 2112B-L994531/6 MOTOR CONTROL UNIT
ALLEN BRADLEY 2364-SPE10A SER. A NSMP
ALLEN BRADLEY 2711E-T14C6 SER. C F/W 04.00.00 UNMP
ALLEN BRADLEY 2711-K10G9 SER. D REV. C FRN 4.46 PANELVIEW
ALLEN BRADLEY 2711-K6C1L1 SER. B F/W 4.21 (AS PICTURED) NSNP
ALLEN BRADLEY 2711PT12C4A1 SER. A REMAN
ALLEN BRADLEY 2711P-T7C4D8TP SER. A NSNP
ALLEN BRADLEY 2711-T5A1L1 SER. B REV. E FRN 4.46 PANELVIEW
ALLEN BRADLEY 500-EOD950 SER. A CONTACTOR 600V 135 AMP
ALLEN BRADLEY 505-COD-9 SER. C NSNP
ALLEN BRADLEY 505-DOB SER. B NSNP
ALLEN BRADLEY 512-BCB-A2G-1-4R-6P-17-24R-90 SER. D (BR/WH) NSMP
ALLEN BRADLEY 512-CAB-1-6P-25R SER. 3 (BR/WH) NSFS
ALLEN BRADLEY 512-CJB-6P-25R SER. C (BR/WH) NSMP
ALLEN BRADLEY 520F-COD SER. C NSNP
ALLEN BRADLEY 6181-AFECBCZZZ SER. B UNMP
ALLEN BRADLEY 6181P-15TPXPH SER. C
ALLEN BRADLEY 6185-DAABZZZ SER. A OPERATOR INTERFACE (AS PICTURED)
ALLEN BRADLEY 6185-FAWAAZZ SER. A UNMP
ALLEN BRADLEY 702-FOD93 SER. K 120V (BR/YL) NSMP
ALLEN BRADLEY 7300-UME-1 W/7300-VDZ-2 634978-90 REV. 3 REMAN
ALLEN BRADLEY 801-FSH148 SER. A NSNP
ALLEN BRADLEY 840-A71 SER. A (BR/WH) NSMP
ALLEN BRADLEY 8500-A3D-K1B NSNP
ALLEN BRADLEY 8520-PS1 UNMP
ALLEN BRADLEY 8720MCPS027BMHV1 POWER SUPPLY *REMAN*
ALLEN BRADLEY 8720MCRPS027BMHV2 POWER SUPPLY *REMAN*
ALLEN BRADLEY CONTROLLOGIX 1756-M16SE SER. A F/W 15.32 INTERFACE
ALLEN BRADLEY MPL-B4540F-MJ22AA SER. A SERVO MOTOR
ALLEN BRADLEY MPL-B540K-MJ72AA SER. A NSMP
ALLEN BRADLEY PANELVIEW 550 2711-K5A8 SER. H F/W 4.20 INTERFACE
ALLEN BRADLEY PANELVIEW PLUS 700 2711P-B7C4D1 SER. A INTERFACE * NEW NO BOX *
ALLEN BRADLEY Y-2012-H00AA SER. B UNMP
AMTRON CU412 NSNP
AMTRON PU405 UNMP
ARCOM 7041-64021-005-101 UNMP
ASCO NP8320A175E 125/DC NSMP
ASCO NPL8320A187E 125VDC 60PSI NSNP
AVTRON M737A-1D-240-BC PULSE GENERATOR *
BAILEY IMMFP02 INFI90 NSNP
BALDOR CSSWDM3615T NSNP
BALDOR PSM2A060-PR2 VECTOR DRIVE
BANNER ENGINEERING MGE3616A 27751 NSMP
BASLER ELECTRIC 90-37000-102 MODEL MVC-108 NSNP
BAUMER FLDK 110G1003/S14
BAUMULLER DSG71-M UNMP
BECKHOFF AM8042-0F11-0000 NSFS
BELL & GOSSETT 172764 NSMP
BELL & GOSSETT 2AB CIRCULATOR PUMP 1/6 HP 1725 RPM *
BENTLY NEVADA 135613 CASE EXPANSION TRANSDUCER
BENTLY NEVADA 3300/25-03-06-06-00-00-01-00 DUAL VECTOR MONITOR
BENTLY NEVADA 3300/50-02-01-00-00 NSNP
BENTLY NEVADA 3300/80-02-00-01-00 MONITOR
BENTLY NEVADA 3500/92-04-01-00 GATEWAY *
BETA LASERMIKE LD1075XY-S (AS PICTURED) UNMP
BETA LASERMIKE LD1075XY-S UNMP
BONITRON M3452-C600 K3,A BRAKING MODULE
BRANSON 930ABO POWER SUPPLY
CHERRY LK001-A UNMP
CHROMALOX TM-6125 (155-115848-002) (141CP)
CLECO 45RNAB-2T-4 NUTRUNNER
COGNEX ISM1110-01 828-0293-1R IN-SIGHT MICRO READER
CONTROL TECHNIQUES 861122-03 MOTOR
CONTROL TECHNIQUES MGM-316-CBNS-0000 NSMP
CONTROL TECHNIQUES SP2401 NSMP
COOPER 225MTB NSMP
COOPER FMVSY1000/TT76 LUMINAIRE MODEL M05 * NEW NO BOX *
CUTLER HAMMER 7585SK-10XE 92-02069-00
CUTLER HAMMER 91-01538-05 OPERATOR INTERFACE MONITOR
DANFOSS 131L0519 NSMP
DANFOSS VLT5022PT5C20STR0DLF00A31C0 UNMP
DATA POWER 15A0069P UNMP
DATALOGIC DS8100-4000 SH1937
DELTA GBL4-F3-802-BD UNMP
DELTRAN 320-27-010 UNMP
DIAGRAPH 5760012SDP NSMP
DINGS DYNAMICS 73038-54-U3X-H NSMP
DODGE 243501 PZ TORQUE-ARM SPEED REDUCER TXT315AT * NEW NO BOX *
EATON 15CLE3-175E NSNP
EATON 5AHLE-400E NSFS
EATON 5CLE-300E CURRENT LIMITING FUSE
EATON 91-01095-00 CRT MODULE
EATON SVX050A1-4A1N1 UNMP
EATON VICKERS PVQ13-A2R HYDRAULIC PUMP 02-341630
EATON XTAE185L22TD160 NSMP
ELEKTROR RD62/FU NSNP
ELMO 3HAC4790-1 NSNP
EMERSON AX-4000-00-00-00C
EMERSON DXE-490W UNMP
EMERSON DXM-6200 NSNP
EMERSON MODEL EN-208-05-000 (960501-05) SERVO DRIVE
ENDRESS+HAUSER 80A04-ASV WAAA1AFAA
ENDRESS+HAUSER PROMAG H 53H50-10F9/0 FLOW METER
ENDRESS+HAUSER PROMASS 83 83M40-ASAAAARCBBAW UNMP
EUROTHERM 590C/0700/A/1/0/0/0/00/000 (AS PICTURED) UNMP
EUROTHERM 955D8R62 DC DRIVE
EUROTHERM 955L8R62 DRV DC DRIVE
EUROTHERM DRIVES L5300 REV. 3.0 NSNP
EUROTHERM DRIVES L5300 REV. 4.1 NSNP
FANUC A02B-0166-C271#R LCD/MDI UNIT 7.2" *
FANUC A05B-2543-C204#EGN * NEW NO BOX *
FANUC A06B-0143-B076#0075 SERVO MOTOR
FANUC A06B-0162-B175#0006 NSMP
FANUC A06B-0205-B400#0100
FANUC A06B-0502-B004 AC SERVO MOTOR
FANUC A06B-0590-B205#7008 SERVO MOTOR
FANUC A06B-6066-H415#H500 AC SERVO SAMPLIFIER
FANUC A06B-6087-H115 POWER SUPPLY MODULE
FANUC A06B-6089-H101 SERVO AMPLIFIER UNIT
FANUC A06B-6089-H104 SERVO AMPLIFIER UNIT
FANUC A06B-6110-H006
FANUC A06B-6110-H011#N NSMP
FANUC A06B-6114-H209#N SERVO AMPLIFIER
注:聯系我時,請說是在“傲立機床網”上看到的,謝謝!