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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。Siemens 3VL9300-3MN00
Rexroth druckzuschaltventilventil DZ 6 DP2-52/75 00481271
Festo Solenoid msw-220 3592
Festo PROXIMITY SWITCH SME-8-O-K-LED-24
Vegetable Diaphragm Valve 610/15/d 7512-1-0104
Bosch HYDRAULIC VALVE 081WV06P1V1001WS024/50000
Festo Solenoid valve vuvs-l20-m32c-md-g18-f7-1c1
Maple Systems HMI touch panel hmi520t-007
Festo leadership Cylinder dfm-20-180-b-ppv-a-gf
Festo Solenoid valve vuvs-l20-m32c-md-g18-f7-1c1
Euchner Series Limit Switch SN05D12-502-M
Baumer Inductive Sensor IFFM 08P1701/O1S35L
Festo Power Valve ms6-ee-1/2-10v24-s
Festo leadership Cylinder dfm-32-125-p-a-gf
BALLUFF Light Switches BOS01LL BOS 6K-PU-RD10-S75
Festo Compact Cylinder ADVU - 16-40-p-a
Parker Elbow 24EMTXS
Festo Standard Cylinder DSNU - 12-240-P-A
Festo Connection Plate vabs-S4-1S-G14-R3
Festo Solenoid valve g2.325.492/01
Festo proportional pressure control valve mppes - 3-1/4-6 -420
Festo Throttle-check Valve igr-03-a-p -- a/b-qs-8
Heidenhain Encoder Encoder ERN 1387.001-2048
ASCO Numatics Solenoid Valve e210d009sca8
Festo Solenoid valve vmpa 1-M1H-G-PI
Festo Mini Sled DGSL - 20-80-C-Y3A
Festo Solenoid valve vmpa 1-M1H-K-PI
Festo and link zk-pk-3 6685
Parker HOERBIGER Sensor KL3055
Parker HOERBIGER Sensor KC3065
SMC Pressure Control Valve Electro-Pneumatic Regulator itf2050-23f3n
Sick safety switching device security module ue410-4ro3
Sick Displacement-Measurement Sensor OD85-20T1
BALLUFF REFLECTION LIGHT BARRIER BOS 18M-PA-1PD-E5-C-S4
BALLUFF Inductive Proximity Switch BES 516-3005-g-e5-c-s4
Festo pneumatic valve vl/o-3-1/8-b-ex
Festo Regulator Plate vabf-S4-1-R3C2-C-6
Festo pneumatic valve VL-5-1/4-B
Euchner Safety Switch tz2re024bha-c1903
Sick REFLECTION LIGHT BARRIER WTB4S-3P3461
SMC Pneumatic Mechanical Valve 3 Way Valve vm153-m5-35ba
Festo Solenoid valve lock mha2-m1h-3/2g-2 196118
Festo Throttle-Valve GRLA - 3/8-B
Schneider Planetary Gear GBX080008K
Rexroth pneumatic cylinder 0822340003 0 822 340 003 32/80
Siemens Converter Power Module 6SL3210-1SE11-3UA0
Festo Solenoid valve CPE24-M1H-3GLS-3/8
BALLUFF Inductive sensor BES 516-326-g-s 4-h bes01cu
Moeller (Eaton) Power Circuit Breaker FAZ-C15/3-NA
Schneider Motion Controller lmc402caa10000
BD Senors Pressure Transmitter DMP 331 110-v152-3-3-100-300-1-000
BALLUFF Optical Sensor BOS 2K-X-RS10-00, 2-S49 BOS0109
Festo Solenoid valve mhe2-m1h-3/2o-m7
Internormen Hydraulic Filter Filter Element 311433
Sick Inductive Proximity Switch IQ20 -07
SMC reperaturset XT331-381 for MHC2-20D
Festo Flexo Clutch fk-m5 30984
INA GUIDE CAR kwve 20-W-L448-V1-G3
Festo Solenoid valve mfh-3-1/8-seu
Schunk ZPA PSK40-N-PGN 125
IPF electromagnetic. Cylinder Sensor MZR90179
Sick Cylinder Sensor Distance Sensor mz2q-ftzps-kq0
Festo Compact Cylinder ADVU - 63-25-a-p-a
Festo Swivel Drive drqd-B-16-28 - ysrj-a-AR-FW
Festo and link zk-pk-3 6685
Festo Compact cylinders EMM-16-10-P-A-S6
OMRON Inductive Sensor E2E-X5F1-M1
Parker Hydraulic Filter Filter Insert G02003 20RF-1-10C-0
Numatics Solenoid Valve 2525627 122BA400M083A61
Festo Standard Cylinder DSNU - 20-100-PPV-A
Festo Compact cylinders ADN-16-15-A-P-A
Moeller (Eaton) performance protection switch FAZ-C10/3-NA
SIEMENS TRANSPONDER Knob 6GT2800-1CA00
Festo Electric. Circuit cpv14-ge-asi-4e4a-m8
Festo Compact cylinders DMM-10-10-P-A
Festo-compact cylinder ADVUL-32-80-P-A
KEYENCE FIBER FU-77G
BALLUFF Ind.. Proximity Switch BES R04KC-PSC15B-EP00,3-GS49 BES01YE-220141
Festo Vacuum Suction Nozzle OVEM - 10-h-b-qs-ce-n
Festo pneumatic valve vuwg-l10-m52-m-m5
SMC Pneumatic Mechanical Valve 3 Way Valve vm153-m5-35ba
Festo valve Island cpx-fb6 195748 busknoten 534505 5333 72 533360 533347
Rexroth druckzuschaltventilventil DZ6DP2-53/150 DZ 6 DP2-53/150 R900490263
Rittal Outlet Filter SK3325 207
Flutec Throttle Valve DRV-16-01.1/0
Finder Relay 60.12.90.24.5270
Festo Solenoid valve jmvh - 5-1/8-b-vi-x
Solenoid Valve Martonair m20152/23
SCA Hydraulic Valve r0502.0190 Ramp 061-003-1200-1b
Sick Linear Encoder L230-P580C2S00000 1033532
Bürkert Solenoid Valve 5/2 - W-Solenoid Valve 22mm.1/8" 24VDC 00201010
Baumer servomotor MSQA 46C2PA92-I36BS3090 10157141
Room/Summer Magnetic Field Sensor MFS 204 skhc 211044
BALLUFF Inductive sensor BES r03kc-psc30b-bp00
INA supportive role natr 12-pp-a
Festo Round Cylinder dseu - 12-50-p-a
IFM Electronic Combi Pressure Sensor pn2024 pn-d10-rbr14
Festo Solenoid valve cpe10-m1bh-3gls-qs-6
Festo Filter Regulator Extra - 1-d-5m-maxi
Siemens Sensor Module 6sl3055-0aa00-5ka3
Festo Throttle Valve GR-3/8-B
Festo Standard cylinder dnc-40-25-ppv-a
Festo leadership Cylinder dfm-20-50-b-ppv-a-gf
IFM Electronic Combi Pressure Sensor pn2024 pn-d10-rbr14
Festo Solenoid valve cpe10-m1bh-3gls-qs-6
注:聯系我時,請說是在“傲立機床網”上看到的,謝謝!