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集散控制系統(tǒng)(Distributed Control System-DCS)集計算機(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(yīng)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(jìn)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(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)裝置的正常運行,急需對各生產(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)度室對各裝置進(jìn)行監(jiān)視管理,及時了解各裝置的運行情況,達(dá)到指揮及時和調(diào)度準(zhǔn)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(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(jī)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(jī)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 Simatic S7 DSQC678/3HAC033556-001 DSQC678HONEYWELL RM7888 A 1019
KIDDE FENWALL 872450
FISHER ROSEMOUNT ROC-312, ROCPAC W20151X0022
AYDIN CONTROLS 4605647501AL
WESTON DIGITAL PANEL METER 2431 NON-BCD 2431NONBCD
SIEMENS SED2-MODBUS1 1000-6SED2/MOD
BOSTON GEAR PL5090-015-4122101-16.0
Square D Power Logic Power Meter PM820U PM8RDA PM800
ISI ROBOTICS A6A72-1I
Endress+Hauser Proline Promass 83 83M15-ASAAAANAB2AB
SYMAX Square D 8030-PS-25
RELIANCE ELECTRIC 0-58770-420
GPI Gear Flowmeter OM015S003-222G5
Trutzschler PLC Module SNB 1 9 494-59.430.000
YASKAWA YPCT31434-1B YPCT314341B ETX003700 Y788B9149F
Lenze Servo Motor MDSKSBS 031R33
Siemens 7MT-300
RELIANCE ELECTRIC 0-51849-1
Siemens 9350DC-100-0ZZZZA
GE DS200SDCCG5AHD
EUROTHERM 620L/0022/400/0010/US/ENW/0000/000/B0/000/000
DX15CS8J-PH2
LSX18T-A
Siemens 9350DC-100-0ZZZZA
FISHER ROSEMOUNT CIRCUIT BOARD 01984-2731-0001
ATOS DPHI-2631/DS
General Electric GE IS200VAICH1CBA
Ge IS200VCRCH1ABA
ABB ASEA 5752 0001-BZ
AEG Modicon Modnet DAP 112
ABB LMUSM02
CORPORATION CIRCUIT BOARD 1164BN-04
JERSEY MACHINE INC. SA272-710A
KEB COMBIBOX 0710440-4003
GE DS3800XPEX1B1A 6BA02 Driver Board With DS3820RDMA1A1A
NACHI SUA301C
NEC 163-237060 PC BOARD 4420399 11B
FANUC IC800SLA1002A
Parker Display Keypad Key Pad 6901-00-G 690100G 6901
RELIANCE ELECTRIC CIRCUIT BOARD CARD 0-52808
HYDAC 02055960
Lenze Connector 2122.IB.0A
THOMSON MOTION CONTROLLER TMC2004CO
DATALOGIC DL BARCODE SCANNER LS6100 LS6100 R4 SH1586 LS6100-R4-SH1586
INDRAMAT PLCB 01-02
GE FANUC IC693APU301M
DEUBLIN UNION FOR WATER AND STEAM V-124902
Siemens card board 6DS1222-8BA
Allen Bradley DSI PWB-00032
ABB 3BDH000320R02
BINKS 54-5353
SICK BARCODE SCANNER CLV265A0012
Schneider Modicon TSX Quantum CPU 140CPU42402
NSK 5208TNGC3
FAG 22209ES.C3
SNR 22210 EA W33 22210EAW33 23.02.11
GENERAL ELECTRIC F31X300CCHAAG1
ENKEL 183-06575
HONEYWELL 30731808-001 R08045055 Q113
PIX B255
RELIANCE ELECTRIC 0-51849-1
PARKER MANUAL VALVE M08734630
MSA / RITTAL 402017 3687134
BAILEY P-HC-DOC-00010000
ROSEMOUNT ANALYTICAL ANALYZER 1054BDC
FENNER CONTREX 8100-0410
RELIANCE ELECTRIC 45C994 CP-3806
General Electric GE IS200VAICH1CBA
GENERIC 463121-0033
GENERAL ELECTRIC IS200IVFBG1AAA MRP580585
Omron touch screen motherboard NT631C-ST151-V1-CPU
NSK 2205E
RELIANCE ELECTRIC R56E1000
SENSORTRONICS 65083S4k-5100
HIRSCHMANN RS20 RS20-0800T1T1SDAEHH05.0.02
ROSEMOUNT 3044CR9
EATON NZM4-XR24-30DC
MICRO MOTION CMF100M328PU
Siemens card board 6DS1222-8BA
Siemens Actuator 331-2961
Xycom 143969-001
Goodyear 5VX1000
NUMATICS 252SS500K000030 1
CONTROL TECHNOLOGY 901C-2571
DEUBLIN UNION FOR WATER AND STEAM V-124902
THOMSON 2 CHANNEL DRIVE ODM-005
Siemens 6ES5923-3UC11
ZNL 22312CCW33
GE ES0622 24VDC IC754VBL06CTD-GD
ABB VCD-02 3HNA006565-001
STAUFF HHBV 20160001 M 11430psi
SQUARE D SY/MAX CLASS 8030 PS35 A1
Eagle 1519
Siemens 575-4532
DODGE / BALDOR 2326BUSH104
ROSEMOUNT ANALYTICAL ANALYZER 1054BDC
SANDVIK VARILOCK 391.38-57-63-19-3
RELIANCE ELECTRIC 45C994 CP-3806
SIEMENS 505-6508 LR64027
Siemens TEXAS INSTRUMENTS PLC 7MT-300
HUB CITY 0220-6104-214
SCHRADER BELLOWS Lever Operated Air control Valve 53083-2000
TRANSITION NETWORKS SISTM1013-162-LR
Pro-Tech Solutions operator interface industrial computer 20-9715 pcm-6890
Westinghouse Digital Input plc card 1C31110G02
Shindengen power supply EYG121/51G
SKF ASK22
Alcatel Optical Receiver OCR211 644-0020-011
TIMKEN USA 688-TD
Ormec SAC-SW205/E
GE Fanuc VTUR-H1B IS200VTURH1BAA
ISI PC007E.2 PC 007E.2 0078902401
ERHARDT & LEIMER FX-4030 220238
HUB CITY 0220-6104-214
SCHRADER BELLOWS Lever Operated Air control Valve 53083-2000
ABB DRIVE ACS401600632
Pro-Tech Solutions operator interface industrial computer 20-9715
ALLEN BRADLEY 1756-DMA31 /A
MTS AUTOMATION 01F0314
FOXBORO 2AX-MUL
Siemens 6GK1543-0AA01
FOXBORO 3F8-I2DA
BAILEY NMFC04
SKF ASK22 ASK-22 3-15/16
MARTIN 80BTB25H
Socapel 024.7002.A
Ormec SAC-SW205/E
GE Fanuc VTUR-H1B IS200VTURH1BAA
HONEYWELL DIGITAL OUTPUT PLC CARD TC-0DK161
EATON 1102A6517
ISI PC007E.2 PC 007E.2 0078902401
Square D CM4000
CONSOLIDATED 1478
Carlson Co. PowerFlo Industrial Clutch Brake B-19958
Rexroth Bosch MANIFOLD 5351828050
ABB 10Base2 Fieldbus cheaernet 37262-4-0369565
FLUKE HELIOS PLUS 2281A-431
GOULD Modicon MA-J821-001
Fanuc Ethernet Remote PCB A16B-2201-0891/04A
LOVEJOY 1600
YEWFLOW DYA-D2D-S1/FF1
BAILEY P-HC-DOC-00001000
RELIANCE ELECTRIC CIRCUIT BOARD CARD 0-52876-1
GRUVLOK 2" FIG. 7005
GE PC Card ic3600 IC3600AIAD1B IC3600AIAD
SYMAX Square D 8030-PS-25
ABB DSQC 236B
HONEYWELL MEASUREX DATA FREEWAY CONTROLLER BOARD 05348100
SHAFER 43231/43200
RELIANCE ELECTRIC 57459-1 61C542A
MOORE HAWKE TG238-A-0
Lovejoy Inc C-276
GEO DIRECT PWM / DELTA TAU GPH101-01
Cutler Hammer IQ250MA65100
CINCINNATI MILACRON CIRCUIT BOARD, 3-711-2108G
HITACHI SEIKI EDM WD011 N-A/1 68E2.122586
BEHR SEC05030017
Clark Total Source Gasket Set CL801824
GE Fanuc IC693PCM311E
PACIFIC SCIENTIFIC CONTROL DRIVER SC422-460-T2
注:聯(lián)系我時,請說是在“傲立機(jī)床網(wǎng)”上看到的,謝謝!