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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
Applied Materials AMAT Transducer Meter, 1040-01218
Applied Materials AMAT 1270-00485
AMAT Applied Materials 9324 HEIDOLPH OVERHEAD STIRRER (501-11000-00-1) (501.11000.00.1) RZR1
9274 SCHMERSAL SAFETY RELAY AES1235
7592 APPLIED MATERIALS COVER RF SHIELD INTLK DELTA 0020-31609
10440 EUTECH INSTRUMENTS PH/MV/CONDUCTIVITY/C/F METER PC 2700
3990 PANASONIC AC SERVO MOTOR MSMA3AZA1N
21711 YASKAWA ELECTRIC AC SERVO MOTOR SGMMJ-A3B2BA1K
15740 LAM RESEARCH PCB NODE BD CTRL TYPE 3 W/NMTG.S12864BFYHSGY.C 810-800256-107
11967 BOBRY AC SERVO MOTOR, 560V, P/N: 130032+OPT H3-0190-30-560/T1P-SKM36
4372 THOMAS AIR COMPRESSOR VACUUM PUMP 2628THI44/32-A02
9030 VARIAN JUNCTION BOX CHT-100 FY102-10100B
3519 DIAVAC LIMITED PENNING GAUGE W/ CABLES CT-2P
9944 ROFIN PRUFPROTOKOLL SHUTTER RESONATOR-EXTERN 1064NM P-101102381
16299 KULICKE & SOFFA PCB, SERVO CPU BOARD 08001-4143-001-03 N08001-4143-000-05
16298 KULICKE & SOFFA PCB, SERVO CPU BOARD 08001-4143-001-03 N08001-4143-000-04
19679 APPLIED MATERIALS BODY W/O TUBES KF40 WELDMENT, 30CM 730-0009-01
2439 LAM RESEARCH PCB, PHASE & MAG DECTR BD 810-008582-001 853-000577-001-T-1367
1582 SMC SLIDE UNIT ACTUATOR MXS12-100
2070 SVG PCB, SPIN STATION EXPANSION BOARD 99-80207-02
15723 LAM RESEARCH PCB INTERLOCK CONTROL 810-072687-008
9033 SHINKO JCL TEMPERATURE CONTROLLER JCL-33A-S/M
4941 BALZERS PKR 251 COMPACT FULL RANGE GAUGE, FL-9496 BALZERS BGG26000
20854 SCHROFF PCB, 5-SLOT BACKPLANE BOARD, 23006-265 ISA96/AT96
18674 APPLIED MATERIALS CABLE ASSY LIQ LEAK DETECT 0150-21365
22088 TSUKASA ELE DC GEARED MTR W/ GEARHEAD & PCB 611A-SU-85.3-F575
2244 CHUO SEIKI REMOTE CONTROLLER 2-AXIS X-Y STAGE MOTOR DRIVER MMC-K MMC-2K
12804 HORIBA-STEC INJECTION VALVE, P/N: 0190-33933 IV-2410AV-02H-180S-N
7462 VAT BELLOWS MANUAL ANGLE VALVE, A-266085 26332-KA01-0002
5137 APPLIED MATERIALS MODULE MFG. HYBRID MATCH ETCH RF MATCH 0010-12088
3217 BANNER FIBER OPTIC CABLE 361149
1701 NEMIC-LAMBDA POWER SUPPLY 24V 0 7A EWS15-24
3451 SMC FLOW SWITCH, FLOW RATE 0.5GPM, 42549 1800
3589 NIKON 10X LU PLAN MICROSCOPE OBJECTIVE LENS 10X/0.30 A WD 15 BD
14817 APPLIED MATERIALS QUARTZ PIN, LIFT, COOLDOWN 0200-35779
3494 NSK ESA SERVO DRIVER ESA-Y3040A25-11
T19 MKS BARATRON CAPACITANCE MANOMETER, 100 PA/133.32 624A12TBC
6143 HORIBA-STEC MFC SEC-4400 MASS FLOW CONTROLLER SEC-4400MC-UC
2157 TEXAS INSTRUMENTS PCB, TM990/101MB, PWB 2490194-0002 2490195-0001
11415 FUJIKIN PRESSURE VALVE, TYPE N.C., O.P. 0.39~0.59MPA 43926
5724 TAMAGAWA SEIKI SERVO MOTOR 4506N9922E200
774 PRECISION SENSORS VACUUM SWITCH PV48W-56
18117 GAE CRYSTAL DETECTOR 40101
6078 UNIT MFC 3160 UFC-3165
7580 ADVANCED ENERGY RF 1KW LOW PASS W/N CON, LINE: FILTER 350KHZ MN3150202-000
13506 APPLIED MATERIALS ASSY, HARD DISK DRIVE 0010-75224
B32 NEMIC-LAMBDA POWER SUPPLY EWS25-5
16282 LEICA PCB, VME BOARD 301-389.040
8942 MYKROLIS IMPACT 2 OF FILTER UPE 20NM A2AX000K1
3757 RKC REX-D100 TEMPERATURE CONTROLLER D100F-VN*DN-NN-5N/CE 07482
19666 TEL PCB SWITCHER OPTICAL I/F PCB FOR TS-4000Z CTRL UNIT 005-PNP N93-300
9191 HEIDOLPH ROTARY EVAPORATOR ASSY, HEIZBAD WB DIGI HEAT LABOROTA 4003-DIGITAL
3486 SCHOTT HALOGEN LAMP LIGHT SOURCE KL1500 KL 1500
20461 APPLIED MATERIALS HUB END LAMP COVER 0020-20484
20485 SCREEN PCB, ETHERNET HUB DSH-16-T-A
20675 BROOKS AUTOMATION PCB, RADIAL SENSOR BOARD 001-1957-02
20810 FUJI ELECTRIC PCB, LED DISPLAY BOARD EP-4245-C
10021 FUJI IMPULSE VACUUM GAUGE 74N 1N700A
21943 AXCELIS INSIDE STRIKER PLATE FOR ANALYZER 17099380
12744 APPLIED MATERIALS SHLD PLATEN BRG FULLVISION N-CUST REFL 0041-11526
690 RADIATION POWER SYSTEM TAMARACK SHORT ARC POWER SUPPLY, H-500 HA-5A
9031 SHINKO DIRECTLY TEMPERATURE CONTROLLER RCL-33A-S/M
3576 APPLIED MATERIALS LAMP ASSY CYCLED 480V JID82V500W 0190-36349
5231 APPLIED MATERIALS PCB - TC FILTER BOARD 0100-18039
13528 SHINKO C10 SERIES VARIABLE FREQ DIGITAL CONTROLLER C10-3VF
12110 SIEMENS SIMATIC RF360T TRANSPONDER EPOXY-CARD 6GT2800-4AC00
19785 SANYO DENKI STEP-SYN STEPPER MOTOR, 0.45/STEP, 015797 103-7550-5012
Applied Materials ASSY 0100-14015, SCH 0130-14015
APPLIED MATERIALS AMAT 0010-00201elay, 0680-01738
APPLIED MATERIALS 0021-52192
0225-95381
Applied Materials 0100-76128
322-0103// AMAT APPLIED 0090-70003
116-0303// AMAT APPLIED 0200-09996
341-0203// AMAT APPLIED 0040-03641
AMAT Applied Materials 0041-35519
0100-00304, Applied Materials
AMAT 1350-00250
Applied Materials AMAT 0020-01416
Applied Materials Assy #0100-1401
Applied Materials AMAT 0020-10117
Applied Materials AMAT 0040-36180 KPTXZ-36180
Applied Materials AMAT 3870-01574, Nupro 6LV-D1V333P-AB
323-0302// AMAT APPLIED 0010-30230
323-0302// AMAT APPLIED 0010-30065
Applied materials 0090-05098 / 0190-27910
AMAT 0200-01155
APPLIED MATERIALS 3011-01302
AMAT Applied Materials , 0100-40013
316-0402// AMAT APPLIED 0020-35032
Applied Materials A1412168
AMAT Applied Materials 0200-36544
AMAT Applied-Materials 0100-40031
Applied Materials AMAT 5160-48437-E SE-063106
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！
