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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,廣泛應用于生產(chǎn)過程控制系統(tǒng)。隨著計算機和網(wǎng)絡技術(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。Siemens 3VL9300-3MN00
REXROTH MHD090B-058-PP1-UN R911276758 REMAN
REXROTH MHD112A-024-PG0-BN SERVO MOTOR
REXROTH MKD041B-1YASKAWA USAMED-30MA20B
FANUC SERVO AMPLIFIER A06B-6058-H334
HAUG FRIEDRICH-LIST-STR 03.8600.080 PS 080 200
NACHI AC SERVO MOTOR 3.6KW MFA360FSCBS
NACHI AC SERVO MOTOR TS 4214 E53
YASKAWA SERVOPACK CACR-TM555Z1SP
MITSUBISHI AC SERVO MOTOR HA-UH11K2F
NACHI AC SERVO MOTOR TS 4185N 1E29
SIEMENS POWER SUPPLY 6ES5955-3LF12
FANUC AC SERVO MOTOR MODEL 10 A06B-0501-B002
NIKON / RY-RDBtm Amplifier / SPA494H
NACHI AC SERVO MOTOR 2.2KW MFA220FSCBS
CONTROLLER / EPU-252A
DASA TECH ROBOT CONTROLLER M-SIG7-811KX4424
NACHI 5.5kW AC SERVO MOTOR MFMA552D4V3
LENZE 3.9A 3.2kVA INVERTER 33.9323PE.2P.22 EVS9323-EP 00451147 EVS9323EP 0045114
DASA TECH ROBOT CONTROLLER M-SIG7-811KX4424
PARKER FL20 Series 22KW SERVO MOTOR FM20-0220F6EEDFL
HYUNDAI AC SERVO MOTOR 3.0KW MSM302Q2D
REXROTH INDRAMAT PERMANENT MAGNET MOTOR MAC071C-0-US-4-C/095-B-0/AM154SG/S005
RELIANCE ELECTRIC GV3000ISE
PANASONIC AC SERVO DRIVER MGDDTC3B4N02
NACHI AC SERVO MOTOR 750W 0.75KW USPEM-07-FC11
GRANVILLE-PHILLIPS 303 SERIES 303
ABB 3HAC 6096-1/01
ALLEN-BRADLEY 1394C-SJT05-D
SANKYO ROBOT CONTROLLER SC3200 SC3200-300
HIGEN AC SERVO MOTOR FMAKF08-AB00
TAMAGAWA SEIKI TBL-I III TSM2207N8224E225
NACHI AC SERVO MOTOR TS 4227N 3E41
NACHI AC SERVO MOTOR 27BM140BBT50
B&R AC SERVO MOTOR 8LTJ97.E7009F000-0
BOSCH PHILIPS 9415 018 43011
HORIBA FLOW CONTROLLER/MEXA MEXA-9100
ULVAC PUMPING SPEED 240-260 L/min DA-241S
PARKER FM20-0140F6EEDFL
FANUC / AC SERVO MOTOR / A06B-0315-B202#1001
NACHI AC SERVO MOTOR 3.6KW MFA360FYSBDA
YASKAWA SGDL-02AP
FANUC A860-2010-T341 A06B-0235-B605#S000
NIKON / MICRO COMPUTER / CPM-851A
ULVAC SINKU KIKO PUMPING SPEED DA-240S
INDRAMAT PERMANENT MAC114A-0-ED-3-C/130-A-0/S001
ATTO Ar Pneumatic Getter Purifier APG-RA-050
TRIGEM INDUSTRIAL PC SX386M
TOYODA BA030AXWTA04HF RA15A18004
INDRAMAT DIGITAL AC SERVO CONTROLLER DDS02.1-W150-D
SIEMENS 6SN1130-1AA11-0BA0
SIEMENS 6SN1123-1AA00-0AA0
AB 2094-BC02-M02-M 2094-EN02D-M01-S0
ERUOTHERM DRIVES 590 DIGITAL SERIES 590/1800/7/1/3/0/1 0/0000/000/000/000/0/00/0
INDRAMAT AC SERVO POWER SUPPLY KDV 1.3-100-220/300-220
NACHI AC SERVO MOTOR 2.9KW MFA290FYSBDA
NACHI AC SERVO MOTOR 3.2KW MFA320FSCBS
BOSCH OPTION 068169-2017 E-A24/0.5 068112-2027
LAM RESERCH REMOTE CRT 852-017750-001-G-C220
CRYDOM SOLID STATE CONTACTOR 240V 20A CKRA242060Days
FUJI ELECTRIC FA / FRENIC 5000VG7 / FRN18.5VG7S-2
44-GP0-KN UNMP
REXROTH MKD041B-144-KP1-KS R911295887 NSNP
REXROTH MSK071E-0300-NN-M2-UG1-RNNN SERVO MOTOR
REXROTH MSK071E-0300-NN-M2-UGL-RNNN
REXROTH MSK071E-0300-NN-S2-UG0-RNNN PERMANENT MAGNET MOTOR
REXROTH MSK071E-0300-NN-S2-UG1-RNNN SERVO MOTOR
REXROTH MSK071E-0450-NN-S1-UG0-NNNN SERVO MOTOR
REXROTH MSK100B-0200-NN-MLAP0-NNNN SERVO MOTOR 3 PHASE
REXROTH VT-DFPE-C-22/G24K0/2A0V/V R900705156 UNMP
RITTAL SK3217100 NSMP
RIX ESX20M-E012(7248) NSMP
ROCKWELL AUTOMATION 0-58820-2 MULTIBUS CONTROLNET MODULE
ROFIN 625-756130 LASER HEAD
ROSEMOUNT 2051TG5M2B21AE5M4T1A1037 NSMP
ROSEMOUNT 3051CG4A02A1AH2E5B3 PRESSURE TRANSMITTER
ROSEMOUNT 3051L2AG0XD11AAM5Q4 NSMP
ROSEMOUNT 3051L2AG0YD31AAS1E5F1 NSNP
ROSEMOUNT 3051L3AA0AD31AAS1M5E5 UNMP
ROSEMOUNT 3051L3AC0FD11AAM5 NSNP
ROSEMOUNT 3051S1LD2AA1A1020NEF71DA60K5M5 275PSI NSMP
ROSEMOUNT 3051S2CA4A7E12A1AK5M5C3 PRESSURE TRANSMITTER
ROSEMOUNT 3051TG4A2B32BK8P2Q4Q8CNQT NSMP
ROSEMOUNT 8711TTA010R1F0135N5 MAGNETIC FLOW TUBE
ROSEMOUNT 8732CT12N0C1 NSNP
ROSEMOUNT 8732EMT1A1N5M4Q4
ROSEMOUNT VORTEX 8800DF030SA1N1D1K5M5 FLOW METER FLANGED
ROTORK PROCESS CONTROLS SM-1020-D-1-0.7/350-90 DEG
SAFESCAN SS7B211MD0 LIGHT CURTAIN
SANYO DENKI P60B13200HBVAB NSNP
SANYO DENKI P60B13200HBVAB REMAN
SCANRAY 08-2526-01 NSMP
SCHNEIDER 394-9411 NJGF36150Y011 150A 600V (AS PICTURED) NSNP
SCHNEIDER 394-9412 NJGF36175Y011 175A 600V NSNP
SCHNEIDER ELECTRIC ATV212HD30N4 NSNP
SCHNEIDER ELECTRIC ATV71HD18N4Z (AS PICTURED) NSNP
SCHNEIDER ELECTRIC ATV930D15N4 NSNP
SCHNEIDER ELECTRIC COMPACT NS GCRNS6301600CB AUTOMATIC SWITCH *NEW IN BOX *
SCHNEIDER ELECTRIC MODBUS PLUS 416NHM30030A INTERFACE ADAPTER *FACTORY SEALED*
SCHNEIDER ELECTRIC SM-140/30/210/P0/45/M1/B1 SERVO MOTOR
SCHNEIDER ELECTRIC TSXP573634M NSMP
SCHUTTE & KOERTING 71-XC-18 NSNP
SEIDEL 60WKS-M240/50-RLG SERVO DRIVE
SEL 751A01A3A1A738512200 NSFS
SEL 751A51A1A3A73851231 110-250V 5A NSMP
SEW EURODRIVE DFT71C4 GEAR MOTOR w/ S37DT71C4 (AS-PICTURED)
SEW MFI21A/MM03/Z18A NSNP
SEW-EURODRIVE MAS51A030-503-50 MOVIDYN DRIVE (AS PICTURED)
SEW-EURODRIVE MDX61B0110-5A3-4-00 DRIVE (AS PICTURED)
SHINKO ELECTRIC AMD-L25-S-100-3504 NSNP
SICK CLV490-0011 BAR CODE SCANNER
SICK S30B-3011CA NSMP
SIEMENS 17HUG92NF14 NSMP
SIEMENS 1FK6084-6AZ21-9ZZ9-Z NSNP
SIEMENS 1FK7063-5AF71-1EB0 NSMP
注:聯(lián)系我時,請說是在“傲立機床網(wǎng)”上看到的,謝謝!