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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(chǎng)總線控制系統(tǒng)(Fieldbus Control System-FCS)。但國(guó)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(chǎng)條件下,F(xiàn)CS還不能完全取代DCS,而且目前現(xiàn)場(chǎng)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(guó)內(nèi)企業(yè)在較長(zhǎng)時(shí)間不可能全面采用現(xiàn)場(chǎng)總線技術(shù),而必須走逐步發(fā)展、過渡的道路。 ??我們?cè)谏虾J煞莨经h(huán)保部水質(zhì)凈化廠監(jiān)控系統(tǒng)的改造項(xiàng)目中,對(duì)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(duì)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(duì)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(duì)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(duì)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(chǎng)監(jiān)控系統(tǒng)的改造 ??現(xiàn)場(chǎng)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(duì)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(hào)卡,可采集384點(diǎn)信號(hào);7塊開關(guān)量輸出信號(hào)卡,可輸出112點(diǎn)信號(hào);3塊模擬量輸入信號(hào)卡,可采集24點(diǎn)信號(hào)。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(chǎng)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(hào);1塊模擬量輸入信號(hào)卡,可采集8點(diǎn)信號(hào)。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(chǎng)操作站,用點(diǎn)對(duì)點(diǎn)方法連接,使PLC的數(shù)據(jù)通過現(xiàn)場(chǎng)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(duì)現(xiàn)場(chǎng)起到監(jiān)視作用。
ALLEN BRADLEY 150-B97NBR SER. BALLEN 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
注:聯(lián)系我時(shí),請(qǐng)說是在“傲立機(jī)床網(wǎng)”上看到的,謝謝!