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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(fā)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(yè)的情況是:大多數企業(yè)還處于模擬儀表和人工控制的階段,采用DCS控制系統的企業(yè)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(yè)外,國內企業(yè)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(fā)展、過渡的道路。 ??我們在上海石化股份公司環(huán)保部水質凈化廠監(jiān)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(jiān)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(jié)池、污水一段、氧化溝、四期污水處理、污泥脫水、污泥干化6個生產單元。另外,在廠部設有總調度室,但是總調度室的監(jiān)控水平較為落后,改造之前基本上不能對各個生產單元進行監(jiān)控。為了適應生產需要,提高生產效率,改善操作條件,加強監(jiān)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(jiān)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(jiān)控系統的改造 ??現場監(jiān)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(jiān)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(jiān)視作用。Siemens 3VL9300-3MN00
REXROTH MHD090B-058-PP1-UN R911276758 REMAN
REXROTH MHD112A-024-PG0-BN SERVO MOTOR
REXROTH MKD041B-144-GP0-KN UNMP
REXROTH MKDSBC HS6237
ROOTECH 2300-008134
LEROY SOMER ENTREE-INPUT ALCV 3600
MITSUBISHI AC SERVO MOTOR 3AC 108V 400W 2.6A HG-KP43
TOUCH SCREEN XP50 XP50-TTA/DC
FANUC A06B-0223-B001 A860-2005-T301 A06B0223B001
SIEMENS 6SE9215-2BB40
MITSUBISHI DATA ACCESS UNIT FX-50DU-TK-E
MITSUBISHI AC SERVO DRIVER 1kW MR-J2S-100B
Socket-478 SBC [NONE VGA] SINGLE LAN ROCKY-4786 EVG 002S121-01-40
SIEMENS SIMATIC S5 POWER SUPPLY 6ES 5955-3LC14
LG OTIS AC SERVO DRIVE FDA-5005
BOSCH SUTRON 81055.502
POWER SUPPLY ABSODEX DRIVER AX9000MU-U0
YASKAWA CIMR-V7SC24P0
ARBOR SBC VGA LAN HICORE-I6420VLG
FANUC AC SERVO MOTOR MODEL 10S A06B-0315-B772
PARTICLE MEASURING SYSTEMS LASAIR MODEL 310 LASAIR-310-(11)
HORIBA CLA 3000
PANASONIC AC SERVO 100W MQDB012AAD02
ASM LPTC-6CH-01J4 01-88455-04
ASM LPTC-4CH-01J4 01-86832-02
YASKAWA CIMR-VT2A0020JAA
DANFOSS VLT FC-302P4K0T5E20H2XGXXXXSXXXXA0BXCXXXXDX
B&R JONAS & REDMANN AUTOMATION PANEL 900 5AP920.1505-K28
GE IC800SSD104RS1-DC
MEIKI AC SERVO AMPLIFIER MSA1-A300-A301-0
YASKAWA V1000 CIMR-VC2A0020JAB
YASKAWA CACR-SR07BB1BM
ORBISPHERE MODEL 3600 ANALYZER 3600/120E
DANFOSS VLT FC-301P1K5T4E20H1XGXXXXSXXXXAXBXCXXXXDX 131B0955
VELCONIC SOFT-WARE BS SERVO VLNBE-010P
LS MONITORING UNIT DC24V 12W PMU-530TTS(V2.3)
SIEMENS SIMATIC S7 CPU 417-4H 6ES7 417-4HL00-0AB0
SANYO DENKI PY0A015J0M88B00G
MITSUBISHI AC SERVO MR-J3-200B
SIEMENS 6SN1115-0BA11-0AA1
YOKOGAWA SR5030B85
OMRON INTERACTIVE DISPLAY NT620C-ST142
YOKOGAWA DD SERVO ACTUATOR SR5030B85
OMRON INTERACTIVE DISPLAY NT620C-ST142
DANFOSS VLT FC-301P7K5T4E20H2BGCXXXSXXXXAXBXCXXXXDX
MITSUBISHI GRAPHICOPERATIONTERMINAL A7GT-BUS2 A8GT-PWTF A8GT-70GOT-TW
CONTEC TOUCH PANEL IPC-DT/M20(98)
DANFOSS VLT FC-301P1K5T4E20H1XXXXXXSXXXXAXBXCXXXXDX
BECKOFF INDUSTRIAL PC C6930
YASKAWA SERVOPACK DRI-08AC N00A
VARIAN THIN FILM SYSTEMS B95-001/REV6
YASKAWA CACR-01-DS3BUB
PANASONIC AC SERVO MADDT1207006
MI 4221116PB00
DANFOSS VLT FC-302P5K5T5E20H2BGXXXXSXXXXA0BRCXXXXDX
DANFOSS VLT AUTOMATION DRIVE FC-360H3K0T4E20H2BXCDXXSXXXXAXBX
DANFOSS VLT FC-102P2K2T4E20H2XGXXXXSXXXXAXBXCXXXXDX
041B-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:聯系我時,請說是在“傲立機床網”上看到的,謝謝!