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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。
14341 MITSUBISHI SERVO DRIVER MR-J2-03BH5-YE19576 TOKYO ELECTRON 200MM PINCETTET END EFFECTOR 2910-303022-12
972 VEXTA BRUSHLESS DC MOTOR DRIVER BLD180A-MK
10 MKS EXHAUST THROTTLE VACUUM VALVE 153F-16129
7799 KNIEL POWER SUPPLY CPU 15.6,5 (4022.430.14731) 310-021-02
13413 VEXTA BRUSHLESS DC MOTOR DRIVER BLD1524-F
16615 APPLIED MATERIALS TOOL, PRECLEAN II HOOP ALIGNMENT 0270-20087
16751 APPLIED MATERIALS CABLE ASSY, TERMINAL INTERFACE 0150-20143
18949 LAM RESEARCH CABLE ASSY, 5M 833-800785-014
18955 APPLIED MATERIALS OUTRIGGER OUTER MAINFRAME 0040-13240
18956 APPLIED MATERIALS OUTRIGGER INNER MAINFRAME 0040-13239
16436 SCIENTIFIC ATLANTA POWER SUPPLY, 69052 A69052.10
18948 LAM RESEARCH CABLE ASSY, 5M 833-800785-013
18947 LAM RESEARCH CABLE ASSY, 5M 833-800785-012
22278 APPLIED MATERIALS INSERT, LEFT, HQ NITRIDE 0200-36424
3860 BIO-RAD XYZ MOTOR CONTROLLER 013-4035
6316 AERA MFC FC-PA785 MFC FC-PA785Y-BF
9459 SIEMENS FM354 SERVO MOTOR MODULE 6ES7 354-1AH01-0AE0
727 PFEIFFER TURBO PUMP DN63 ISO-K 3P PM P2 980C W/ TC100 PM C01 692A TMH 071P
9513 SCHNEIDER ELECTRIC TELEMECANIQUE LEXIUM 05 SERVO DRIVE LXM05BD10M2
7561 APPLIED MATERIALS 15-SLOT TRAY 200MM .450SPG 0010-13140
10120 ENTEGRIS TEE, 3/8" OD TUBE UT6FN-1
12154 SMC PARALLEL GRIPPER, LONG STROKE MHZL2-16C1
9594 LEYBOLD THERMOVAC PIRANI TRANSMITTER TTR211S
14113 RAMIX PCB, EXPANSION MOD, 700412 W/ SNP-PMC-DIG16 & IXZPMC142-00 PMC901
16712 APPLIED MATERIALS FLOW SENSOR C/A, B/D/F POS, CHILL FAC, P 0150-00886
16851 LAM RESEARCH PCB NODE TYPE 26 W/ GA932700 & 50020R-10 810-013872-104
3336 DRLANGE LICO 300 UNIVERSAL SPECTRAL COLORIMETER W/ LZM269 LMG167
T37 TYLAN GENERAL PR TRANSD LRC: 771-061941-015 0-1000 TORR CDLD-31S06-EMC
14842 APPLIED MATERIALS HOSE ASSY TFE/SST-BRAID 5/16IDX9.25L S 3400-00002
14841 APPLIED MATERIALS HOSE ASSY TFE/SST-BRAID 5/16IDX12"L SEA 3400-00003
16506 SMC 2 SLOTS PNEU MANF W SOLENOID VLV 02-147128-00 17-146883-00 US8187-4
9445 SEW EURODRIVE BRAKING RESISTOR BREMSWIDERSTAND BW100-006
2264 NOVELLUS CABLE ASSY 03-111157-00
1421 MKS HIGH VACUUM PNEUMATIC VALVE 93-6001
20586 ASML PCB ASSY, 100-0000-114 4022.436.4743
11168 COMPACT AIR PNEUMATIC CYLINDER QJM05-4016-B
20300 APPLIED MATERIALS TSTR UV/IR SENSOR 180-240NM OUT ENGY 18 1400-01162
13471 LAM RESEARCH ASSY, LIFTER CYLINDER 853-011661-001
20558 ASML PCB ASSY 4022.192.71633
4747 NEOS DRIVER 21080-2AM
12588 SIEMENS SIMATIC S5 ANALOGUE OUTPUT MODULE 6ES5470-4UB12
19178 APPLIED MATERIALS ASSY PYROMETER 300-1300C EPI IRCON MRT39999C 0090-03991
11045 YASKAWA AC SERVO MOTOR, 3000RPM SGMAS-C2AGA-SU12
14341 MITSUBISHI SERVO DRIVER MR-J2-03BH5-YE
19576 TOKYO ELECTRON 200MM PINCETTET END EFFECTOR 2910-303022-12
7017 ASCO 1/2" STAINLESS STEEL PRESSURE OPERATED ANGELED PISTON E290A045
2162 LAMY NOSE LAMINATOR 220V 50/60HZ 240W I-LAMI-100
6007 AERA MFC FC-PA785 MASS FLOW CONTROLLER TC FC-PA785T-BF
10 MKS EXHAUST THROTTLE VACUUM VALVE 153F-16129
13413 VEXTA BRUSHLESS DC MOTOR DRIVER BLD1524-F
16615 APPLIED MATERIALS TOOL, PRECLEAN II HOOP ALIGNMENT 0270-20087
16751 APPLIED MATERIALS CABLE ASSY, TERMINAL INTERFACE 0150-20143
18949 LAM RESEARCH CABLE ASSY, 5M 833-800785-014
18955 APPLIED MATERIALS OUTRIGGER OUTER MAINFRAME 0040-13240
18956 APPLIED MATERIALS OUTRIGGER INNER MAINFRAME 0040-13239
16436 SCIENTIFIC ATLANTA POWER SUPPLY, 69052 A69052.10
18948 LAM RESEARCH CABLE ASSY, 5M 833-800785-013
18947 LAM RESEARCH CABLE ASSY, 5M 833-800785-012
22278 APPLIED MATERIALS INSERT, LEFT, HQ NITRIDE 0200-36424
1049 BLACK STONE FLOW RATE CONTROLLER BL1.5-14
12189 APPLIED MATERIALS 300MM ELECTROSTATIC CHUCK ESC, 0041-13111 0041-13114
E13 VARIAN 572 IONIZATION GAUGE TUBE K7360302
2809 COSEL POWER SUPPLY, AC100-240V 50-60HZ P15E-24
14113 RAMIX PCB, EXPANSION MOD, 700412 W/ SNP-PMC-DIG16 & IXZPMC142-00 PMC901
16712 APPLIED MATERIALS FLOW SENSOR C/A, B/D/F POS, CHILL FAC, P 0150-00886
16851 LAM RESEARCH PCB NODE TYPE 26 W/ GA932700 & 50020R-10 810-013872-104
3336 DRLANGE LICO 300 UNIVERSAL SPECTRAL COLORIMETER W/ LZM269 LMG167
T37 TYLAN GENERAL PR TRANSD LRC: 771-061941-015 0-1000 TORR CDLD-31S06-EMC
14842 APPLIED MATERIALS HOSE ASSY TFE/SST-BRAID 5/16IDX9.25L S 3400-00002
14841 APPLIED MATERIALS HOSE ASSY TFE/SST-BRAID 5/16IDX12"L SEA 3400-00003
16506 SMC 2 SLOTS PNEU MANF W SOLENOID VLV 02-147128-00 17-146883-00 US8187-4
19287 DAIFUKU RM/TFE/CONV.MAINTENANCE UNIT CONTROLLER, 7A00981HA2 AGH8AA11
19755 APPLIED MATERIALS SCR PN HD 6-32 X.44 HAST 0020-30895
14450 APPLIED MATERIALS HOSE ASSY FLEX BRAID 1/4IDX23.5L 1/4VC, 2FT 3400-01134
14906 WASCO VACUUM SWITCH, 30"HG, 1A, 115 VAC SV129-31S3C/7774
15266 ORIENTAL MOTOR PCB, 5-PHASE DRIVER, EB2276-4G, EB2277-4G A4509-048
16599 PISCO 10 SLOT VACUUM GEN ASSY W/FVUS011-NA VKMH05W-S5/3253/8S2G-B10-NA-VBS
17514 SMC 8 SLOTS VLV MANF + VLVS W/ VACUUM SWITCH ZSE3-0X-21 VJ324M & VJ314
7330 IFM SMARTLINK DP PROFIBUS AC1375
157 ASML PCB POWER SUPPLY INTERFACE 4022.436.1609
21750 ORIENTAL MOTOR VEXTA 2-PHASE STEPPING MOTOR W/ BALL SCREW C9337-9212KM
6138 CELERITY MFC IN3XP MASSS FLOW CONTROLLER BBYLUA002
6570 BROOKS MASS FLOW CONTROLLER, GAS: AR, 300 SCCM GF120CXXO
10943 APPLIED MATERIALS ASSY, SLIT VALVE, METAL ETCH, VITON 0010-70615
5453 ECI TECHNOLOGY PSD/3 SYRINGE PUMP, VALVE LU0970
20580 EMI PCB ASSY, SUNG WEI 11620-01P-707(E1) 098-11620-00
20961 OMRON PCB, TEMPERATURE CONTROLLER, 3385804-8C E5ZT-N08TC01
20913 APPLIED MATERIALS HARNESS ASSY, DR 11-12-13-14 MTR ENC 0140-70601
注:聯系我時,請說是在“傲立機床網”上看到的,謝謝!