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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(guò)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(guò)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(guò)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(guò)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(guò)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 PASEA BROWN BOVERI AFN001N1-ALJ9
ASEA BROWN BOVERI AFN01SN1-FQJ9
ASEA BROWN BOVERI AFN01N1-EPJ9
ASEA BROWN BOVERI T6NQ600BWA3AUS8
ASEA BROWN BOVERI JSP120-1P120
ASEA BROWN BOVERI 41M2-CS5AD
ASEA BROWN BOVERI 21J1-CQ1JR9
ASEA BROWN BOVERI K1J1-CN1JR8
ASEA BROWN BOVERI AFN01N2-AE1D
ASEA BROWN BOVERI AFN01N2-CD1D
ASEA BROWN BOVERI AFN001N2-AD1D
ASEA BROWN BOVERI AF261B2-CP19
ASEA BROWN BOVERI AFN01N2-BE1D
ASEA BROWN BOVERI AFN001N2-BD1D
ASEA BROWN BOVERI AFN001N2-CC1D
ASEA BROWN BOVERI AFN001N2-CD1D
ASEA BROWN BOVERI A26SF4-84T6BJ10
ASEA BROWN BOVERI XT4NU3250EKKB00XXX
ASEA BROWN BOVERI XT4NU3250EKJB00XXX
ASEA BROWN BOVERI XT4NU3250EJJD00XXX
ASEA BROWN BOVERI XT4NU3250EJJB00XXX
ASEA BROWN BOVERI T2H100B0B
ASEA BROWN BOVERI XT4NU3150F66000XXX
ASEA BROWN BOVERI XT3NU3150AAA000XXX
ASEA BROWN BOVERI AFN001F1-CK1D
ASEA BROWN BOVERI TS3N035TW-4BA
ASEA BROWN BOVERI TS3N070TW-4BA
ASEA BROWN BOVERI T6S800TWA3AU
ASEA BROWN BOVERI XT4NQ3175BFF000XXX
ASEA BROWN BOVERI XT4NQ3200BFF000XXX
ASEA BROWN BOVERI T6H600TWABS4
ASEA BROWN BOVERI T6H600TWAS4
ASEA BROWN BOVERI AF261N2-CKN97
ASEA BROWN BOVERI AF261B1-CE11D
ASEA BROWN BOVERI S503UC-K4.2
ASEA BROWN BOVERI A16NSN1-8LJ/50
ASEA BROWN BOVERI 61F1-CCZ2F
ASEA BROWN BOVERI AFN11SF2-2P1V9
ASEA BROWN BOVERI 51M1-AB5U
ASEA BROWN BOVERI AF261B2-CE25
ASEA BROWN BOVERI T6H800T0V
ASEA BROWN BOVERI AFN01SN2-2QU9
ASEA BROWN BOVERI XT4NU3250EJFD00XXX
ASEA BROWN BOVERI 911-6F
ASEA BROWN BOVERI KX3812
ASEA BROWN BOVERI AF750N7-3011-71
ASEA BROWN BOVERI 111-CCDE/W
ASEA BROWN BOVERI AFN021-ARG
ASEA BROWN BOVERI XT3NU3150AJKDA0XXX
ASEA BROWN BOVERI T2S100MWA
ASEA BROWN BOVERI T6H800TV0
ASEA BROWN BOVERI XT2HQ3025FFB000XXX
ASEA BROWN BOVERI K1M3-CM3DF
ASEA BROWN BOVERI AF301F2-AE22S9
ASEA BROWN BOVERI K1SM1-2N3DF12/WM
ASEA BROWN BOVERI K1SM1-2M3DF12/WM
ASEA BROWN BOVERI TS3L025TW-2TR
ASEA BROWN BOVERI A75N3R-11-80
ASEA BROWN BOVERI AF261B1-CM1J
ASEA BROWN BOVERI AF261B1-CR2F
ASEA BROWN BOVERI AF261B1-GR2J
ASEA BROWN BOVERI AF261B1-CU5J
ASEA BROWN BOVERI AF261B1-CR2J
ASEA BROWN BOVERI AF261B1-CH1J
ASEA BROWN BOVERI AFN002N1-BD1
ASEA BROWN BOVERI AF261B1-GS3J
ASEA BROWN BOVERI AF261B1-HQ1J
ASEA BROWN BOVERI AF261B1-CS3J
ASEA BROWN BOVERI AF261B1-EP1J
ASEA BROWN BOVERI AF261B1-CL1J
ASEA BROWN BOVERI AF261B1-CN1J
ASEA BROWN BOVERI AF261B1-CK1J
ASEA BROWN BOVERI AFN001N2-GMD
ASEA BROWN BOVERI AFN11N2-CRC
ASEA BROWN BOVERI AFN11N2-CSD
ASEA BROWN BOVERI 11M1-GE1/JMB
ASEA BROWN BOVERI 11M1-CD1/JMB2
roximity Switch IN260100
Festo servomotor 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(shuō)是在“傲立機(jī)床網(wǎng)”上看到的,謝謝!