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集散控制系統(tǒng)(Distributed Control System-DCS)集計(jì)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(jì)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(chǎng)總線控制系統(tǒng)(Fieldbus Control System-FCS)。但國(guó)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(chǎng)條件下,F(xiàn)CS還不能完全取代DCS,而且目前現(xiàn)場(chǎng)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(guó)內(nèi)企業(yè)在較長(zhǎng)時(shí)間不可能全面采用現(xiàn)場(chǎng)總線技術(shù),而必須走逐步發(fā)展、過渡的道路。 ??我們?cè)谏虾J煞莨经h(huán)保部水質(zhì)凈化廠監(jiān)控系統(tǒng)的改造項(xiàng)目中,對(duì)3個(gè)生產(chǎn)單元已有的DCS和PLC進(jìn)行改造,增加通信功能,實(shí)現(xiàn)總調(diào)度室對(duì)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(gè)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(duì)各個(gè)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(yùn)行,急需對(duì)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(duì)各裝置進(jìn)行監(jiān)視管理,及時(shí)了解各裝置的運(yùn)行情況,達(dá)到指揮及時(shí)和調(diào)度準(zhǔn)確的目的。 2.1?現(xiàn)場(chǎng)監(jiān)控系統(tǒng)的改造 ??現(xiàn)場(chǎng)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(shí)時(shí)性。首先對(duì)自控程度較高的3個(gè)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(hào)卡,可采集384點(diǎn)信號(hào);7塊開關(guān)量輸出信號(hào)卡,可輸出112點(diǎn)信號(hào);3塊模擬量輸入信號(hào)卡,可采集24點(diǎn)信號(hào)。兩套AB—PLC通過DH+(數(shù)據(jù)高速通道)實(shí)現(xiàn)數(shù)據(jù)共享。在原有的現(xiàn)場(chǎng)控制計(jì)算機(jī)上分別增加以太網(wǎng)卡,通過以太網(wǎng)將實(shí)時(shí)數(shù)據(jù)送到總調(diào)度室處理。??輸出192點(diǎn)信號(hào);1塊模擬量輸入信號(hào)卡,可采集8點(diǎn)信號(hào)。系統(tǒng)運(yùn)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(tái)現(xiàn)場(chǎng)操作站,用點(diǎn)對(duì)點(diǎn)方法連接,使PLC的數(shù)據(jù)通過現(xiàn)場(chǎng)操作站送到以太網(wǎng)上,與總調(diào)度室監(jiān)控計(jì)算機(jī)通信。但RS-232傳輸速率只有9600bps,操作站僅對(duì)現(xiàn)場(chǎng)起到監(jiān)視作用。Siemens 3VL9300-3MN00
INA GUIDE CAR RWU45-E-L-G2-V3
IPF Inductive Proximity Switch IN260100
Festo servoBailey Control I/O NCIS02 6637087D1 663708
SKF 16005
MITSUBISHI HA-FH33B
ALLEN BRADLEY 50248
FOXBORO SUMMER 2AX+SUM
MODICON PC-L984-785
ALLEN BRADLEY X-247294
SPORLAN VALVE CO. EBFVE CGA R-22
SENSORTRONICS 65083S4k-5100
MODICON PC-0984-381
NOVELL 9820041-05
DODGE 3020
BAUMER BHF 1P.05A80000-B2-5
ABB 37261-4-0369528
SKF 16005
FOXBORO PEN MOTOR DRIVE CO131UL
MARTIN SPROCKET 08B27
MODICON PC-L984-785
ALLEN BRADLEY X-247294
General Electric GE IS200VCMIH1BCC IS215VCMIH1BB
Rexroth Indramat RMO04
HONEYWELL TOUCH SCREEN SMART FRAME 51400988-200
Festo Soft Start Quick Exhaust Valve MS6-SV-1/2-E-10V24-AG
Reliance Electric Current Loop Driver 0-51865-3
SKF 7309BEA
ABB TPU2-EX 3HNE 00442-1/03
INDRAMAT CONTROL BOARD BGR PLC 08-00 / CLT01-FW
FAIRCHILD MPL70PV100100
TAMAGAWA TS530N30E9
NUMATICS NUMATROL VALVE ORO-1106
Yokogawa PSW2.1 94V-0 AS S9962DE-0
ABB 58095133 SAFT-170-PAC
PARKER FM2DDDSV-55
RELIANCE ELECTRIC 57430-1H 57C430A
GENERIC AUTOMATION C-34222-NE
DYNAPAR BRAND AI25121333221 G0566513
Allen Bradley 1394 74102-171-10
GE IC600YB9170
Nordson 16 FT Hot Melt Glue Gun Hose Line 273379E
Ormec PCB0012
HBM MP70DP MP70DPS7
Tadiran Peripheral Power Supply PPS 440950310
Yaskawa YPCT31521-1A ETC617173
General Electric GE IS200VRTDH1DAB
GE FANUC IC693ADC311D
Hoerbigeroriga P21000108000-00100
General Electric GE IS200VCMIH2BCB
SPORLAN VALVE CO. KT-43-RZ
RELIANCE BALDOR 0-57411-2D
BAILEY CONTROLS 753010AAAA1
ABB 3HNA013638-001
HERSEY ASSY 60122G185
HERSEY ASSY 60122G184 61022G
Marposs M1WAVE Bore gauge, Merlin 830MEABC00, 09TJ0914
GULTON WEST 2071 87062593
Square D 8030 CRM510
Allen Bradley 006S107-04-013
RHP MSF3 SF6 1-9/16"
CATERPILLAR TW4C01 Turbo Turbocharger TS408077-9106R
PACIFIC SCIENTIFIC 105-072001-01 011436
STROMBERG SAFW 400
RELIANCE ELECTRIC CIRCUIT BOARD CARD 0-52808
ALLEN BRADLEY 40888-088-51 40888-07-06A
SICK Interface Safety Controller UE440-A0410
Wittenstein Planetary Gearhead LP 070X-MF1-3-1D1-3X-SPE A52 A51-0003765
ALLEN BRADLEY 634282E
TFM Tulsa Fluid Measurement FME-500
TSUBAKI SPROCKET SS40B20 SS40B20F
ABB SAFT-173-TSI , 57776013 , SAFT 173
GOODYEAR / FALCON 14GTR-3136-37
DALSA Digital CCD line scan camera CL-P1-4096W-518W
INFINITY EMX156 240V 3.5A 4960000136
ROCKWELL AUTOMATION S0015PKR M003822357 142395
SCHRADER BELLOWS 520010115
General Electric GE IS200VCMIH2BCB
FISHER ROSEMOUNT MULTI-PURPOSE CONTROLLER II 10P50400006
TEXAS INSTRUMENT 510-3103 2458740-0001
RELIANCE ELECTRIC 57459-H 61C542
CX210
Hitech Instruments K1650 S05-1226
ANDOVER CONTROLS TCX 850
AMETEK Spectra BC30-UV BC30
TIMKEN 18685
Siemens Simatic S7 DSQC678/3HAC033556-001 DSQC678
HONEYWELL 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
motor EMMS-as-40-m-tsb
Festo Solenoid valve meh-5/3g-1/8-b
ASCO Numatics Solenoid Valve sce210d004
Festo Mini Sled SLT-16-80-A-CC-B
Festo Mini Sled slt-10-10-p-a
BALLUFF Angle Light Barrier BWL 5454d-i011-s49
Schunk Pan Unit sru+25-w
Festo Damper Holder KYP-25
Siemens signal converters 6dr2801-8d
Festo Mini Sled slt-6-20-p-a
Norgren pressure limiting valve 1002 R1/4
Norgren Solenoid Valve 5/2-wv - Mono g1/4 24vdc 2623000303002400
Festo Solenoid valve meh-5/3e-1/8-p-b
Festo Position Transmitter Smat - 8e-s50-iu-m8
Festo Pressure Sensor SDE1-D10-G2-W18-C-P1-M8
Norgren Valve m/20154/172 5/2-wv
Tapered roller bearings Timken 399A 90252
Wenglor Disposable Light Curtain EK96VB8
Sick Distance Sensor dt50-p1123
Festo Twin Piston Cylinder dpzj - 20-80-P-A-S2
Festo Roller Lever Valve ROS-3-1/8
Festo Standard Cylinder DSNU - 25-100-PPV
Summer 2-JAWS-Angle Gripper GK15NC-B
Festo Standard cylinder Dnci - 50-100-p-a
Festo Connector crqs - 12 130649
Rexroth (aventics) directional control valve 0 820 044 251
Festo paralelgreifer hgpl - 40-80-a
Festo Mini Sled slt-10-30-p-a
Festo Stopper Cylinder STAF - 32-20-p-a-k
THK Linear Guide hrw17cr1uuc1+179,5l
WAGO Digital Input Terminal 750-438-2di id51202844
Schunk Swing Module OSE-A14-0 50-03
ABB Digital Input Board di86-32
Eaton CONTACTOR DILM 65 XTCE 065d00f
Festo Mini Sled DGSL - 16-10-P1A
Festo Standard cylinder dnc-40-135-ppv-a-kp
Festo pneumatic valve grf-pk-3 4565
Festo Standard cylinder dnc-40-135-ppv-a-kp
Beckhoff Motor Cable Engine Pipe zk4000-6200-2100
Phoenix Power Quint-ps/3ac/48dc/20
Festo pneumatic valve vl-3-1/8-0
Festo Stepper Motor EMMS-st-87-s-se
Festo Mini Sled slt-16-20-p-a
Schunk 3 Finger Eurocentric Gripper MPZ 30 0340510
Festo kiphebelventil ls-3-1/8
Festo Mini Sled slt-10-50-p-a
Schunk Pan Unit sru+30-w-180
Parker Hydraulic Filter Filter Insert R.63013
DATAFORTH Electronics Module scm5b41-03
Festo Solenoid valve jmth - 5/2-7,0-s-vi
Festo Mini Sled slt-16-30-p-a
IFM Temperature Sensor TN7530 TN -013
Schunk 3 Finger-centric Gripper jgz 64-1
Festo Standard cylinder dnc-50-25-ppv
注:聯(lián)系我時(shí),請(qǐng)說是在“傲立機(jī)床網(wǎng)”上看到的,謝謝!