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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(jiàn)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(kāi)關(guān)量輸入信號(hào)卡，可采集384點(diǎn)信號(hào)；7塊開(kāi)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(kāi)關(guān)操作與全模擬流程盤(pán)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 Proximity Switch IN260100
Festo servomotor EMMS-as-40-m-tsb
Festo SolenASEA BROWN BOVERI AF261B2-CK1
ASEA BROWN BOVERI AF261B2-DT4S
ASEA BROWN BOVERI AF261B2-BH1V
ASEA BROWN BOVERI AF261B2-AR2
ASEA BROWN BOVERI AF261B2-BQ1U
ASEA BROWN BOVERI AF261B2-BQ1
ASEA BROWN BOVERI AF261B2-BS3U
ASEA BROWN BOVERI AF261B2-CJ1
ASEA BROWN BOVERI AF301F2-2W2A7
ASEA BROWN BOVERI L1J1-AR1J9
ASEA BROWN BOVERI L1J1-CR1J9
ASEA BROWN BOVERI AF261B2-CM1U
ASEA BROWN BOVERI AF261B2-CL1
ASEA BROWN BOVERI AF261B2-DN1
NOREGON SYSTEMS PLC J1708
GIDDINGS & LEWIS 503-26842-00
ADEPT 10330-00600
SKF 2209EJW33
MULTIVAC 657.452.09 / 86.850.1003.00
UNIPULSE F700
PROSOFT Prolinx 5201-MNET-DNPSNET
FAG 22211E
CONAIR 20951801
BAILEY CONTROLS 6632105J1
NAME 250239 82
SWAGELOK QTM4-316
YASKAWA ELECTRIC JAMSC-IF612
ASCO Joucomatic 54202020
SKF 2209E
FORNERY 35390301 P47401/D 95413027
KEARFOTT CR00948153
ABB DFM03 CAN-3, 37262-4-0369572
ASCO Joucomatic 54292028
MITSUBISHI MELSEC Programmable Controller PLC A70SF
LXE PORTABLE HAND HELD COMPUTER 2320
BALDOR MOTOR CONTROL MA8008
VACCON JD-250
Open Date Systems EUROCODE 87996
K-TRON 9191-30398
Parker Schrader Bellows L3854210253
Videojet Technologies 348294-L
SICK Fieldbus proxy gateway CDF600-0300 1052291
ALLEN BRADLEY AB 170095
Rosemount PH Analyzer 2054PH
MITSUBISHI MELSEC Programmable Controller PLC A73CPU
AC TECHNOLOGY CORP, LENZE, POWER BOARD, 13327176 , 7869331
HONEYWELL 30680432 502 8546
ALLEN BRADLEY 7300-UAF2
Ametek transducer Transducer 1986F1XRX
ALLEN-BRADLEY A70300
ASCO SB210DK
EATON 2700907
DATALOGIC HL900-4
Cutler Hammer EATON 14101RF0917-R
BAILEY CIRCUIT BOARD NDCS03 6634045JI
LENZE 2052
BOY Circuit Board Card 9626191
LAND Infrared Thermometer GP1 Z1393
ARMSTONG INTERNATIONAL INC. B6056
SNR GNU40425
FAG 22211S
SHARP JW-21CM
KFXS212D
CARLO GAVAZZI MOFT20
GEORGES RENAULT SAS 6153941650
SNR 7212B F25
MODICON 984 785L
Multivac Ventura Touch Screen Panel MC08
KUKA RDW-04 LS RESOLVER BOARD RDW04LS
MITSUBISHI MELSEC Programmable Controller PLC A70MDF
MOORE CIRCUIT BOARDS 15821-1 15821-1-11
YOKOGAWA K9296CA
Pulse Coder encoder 250125
FAIRCHILD 21312
Reliance AUTOMAX 0-57413-E 57413-E 57413
WESTINGHOUSE 600686-5RR
GENERAL ELECTRIC 44A294554-G01
PULSOTRONIC 8101-0800
BANNER ENGINEERING SM30SRLQD
Siemens RKN8
Bailey Network 90 Analog Output Module Board NAOM01
Parker P32EA94ESMBNGP
KEARFOTT CR40931028
Allen Bradley Board Card 103620 Rev 09 M003352760
ABB 57520001-Z
Allen Bradley Board Card 103620
ENDRESS & HAUSER FTL50-7132/0
SKF ASK-26
R&I Dura-Slide RGC-30-4
ELM SYSTEMS H1000/2540-IP-P18
GREENLEAF WSRP-6000.5 1.5" DIA TK-00645
Axis Systems encoder LDM-1000-5LD
FAG NU1019
JMS - SE.COM 09-20-11
FOXBORO 136-5-1
TOSHIBA 41532H
Allen Bradley 193-EC5AB
HITACHI SEIKI A4-22855
DORAN SCALES 1250
FAG 21311
Moog Servo Motor Control Drive 152D423A
ALLEN BRADLEY 74102-405-51 74102-405
ROLLWAY T617
ROSEMOUNT BOARD 8712-0507-0032
6914LU
Bailey AC transfer module 6637827B1
KTRON 9191-30388
Xycom 144365-001
CHICAGO PNEUMATIC 32/100
SKF 23220 CC/W64
BAILEY CIRCUIT BOARD NDCS03 6634045JI
KTRON 9191-30388
Xycom 144365-001 Rev E Motherboard 144365001 006S243-00-110-RS
CHICAGO PNEUMATIC 32/100 Rev 3 26.38.04
SKF 23220 CC/W64
FANUC A350-2902-T354/01
Johnson Service V-6133
SKF Bearing 21312E
General Electric Ge IS200VAICH1DAB
FOXBORO 44BP
ELM SYSTEMS H5000/12700-IP-P18
DRESSER 808898-111-051
CKD RVC300
FESTO IMP2-03-1
WESTINGHOUSE Emerson 1C31234G01
SIEMENS SIMATIC S7-300 6ES7 314-6CG03-0AB0 CPU314C-2DP
ROSEMOUNT CIRCUIT BOARD CARD 01984-2731-0001
RELIANCE ELECTRIC Printed Circuit 813.91.00
Omega Temperature Controller CN76000 CN76122
GENERAL ELECTRIC IS200TFBAH1ABA 6BA01
PM Servo Motor T0851B0103
GEO DELTA TAU DIRECT PWM DRIVE GPH101010000
Bailey Multifunction Control Module NMFC05
oid 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！
