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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。
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QMC 1473-ME2793 MOTOR 1473ME2793 77822-033
KJ2221X1-EA1 12P3241X012
S + S Regeltechnik FS2-U 6m Frost Protection Thermostat 1102-1011-0100-000
Hydac 316514 Filter Element 0330 R 200 W/HC P/DG-D 0330R200W/HC
Siemens 6ES5 418-7AA11
QMC 1473-ME2793
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Hydac 316514 Filter Element 0330 R 200 W/HC
Itoh Denki CBM-105FP1-EU1
Festo DSNU-25-25-PPV-A
ABB 3HAC 6012-1 3HAC6546-1
Siemens 6ES7710-3CA33-3SC2
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Land Type L0010/ 20C5P600
Eaton DILM25-10
Reliance Electric S-67118B
IFM 01D100 Photoelectric Distance Sensor 01DLF3KG
Allen Bradley TLY-A220T-HJ64AA
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Schmersal ZV12H 236-02Z-M20
Krom Schroder DG50U-6
Pro-face 2980070-02
Cognex DM100X Dataman Barcode Reader 825-0019-2R 821-0008-3R
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Jetter Delta I/O64
Nobel Elektronik H-2-KSM-400
Telemecanique LA5FG431
TEMA 5010
XP Power DNR240PS24-ID
Siemens 6SE6420-2UD13-7AA1
Tetra Pak 2713244-0000
PALL Emflon AB1PFR7PVH4
Rexroth R162211322
ABB 3HAC13389-2
Siemens 6GK1143-0TA02
Jetter D-O16F
Keyence IV-500CA
Siemens Simatic S5 6ES5524-3UA15
Siemens 6ES5930-7AA12
Telemecanique XAL J178
Bourdon Haenni 81-611-311-1115
Siemens 6ES7 317-2EK13-0AB0
Balluff BES01CT
Indramat BZM01.1-01-07
Siemens 6ES5432-4UA12
Reliance Electric 0-60021-4
Durapipe Diaphragm Valve EPDM 02 732 106
Herion 2631416
Robohand RR-26-90
DEA G17331302 A11985
Siemens 6GK5108-0BA00-2AA3
Danfoss VLT 2800 195N0015 Drive VLT2805PS2B20STR1DBF00A00
Jetter CPU+ Module 259R4B
Krom Schroder DG50U-6
Reliance Electric 803.96.00EUX
RHP Bearings NP25 RRS AR3P5
IFM PN3024
ABB RDCU-12C Control Unit & RDIO-01
Demag TREL1-D20
Advantech IPC-6908BP-40ZBE
Eriez Metalarm MA 3500
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IFM TR7430
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Siemens Simodrive 6SN1123-1AA00-0BA1
Phoenix Contact AXL F AI8 1F
JUMO 907031/20-1-15-021/000
WYCO SP114098 - 10/6 E
Allen Bradley MSR125H
Schneider Electric VW3M3302
RS 466-150
Schneider Electric TSXRKY6EX
Schneider Electric NSYCVF38M24DPF
Syron DBP100
Hydac PDR10P
Moeller ZB32-6
Bosch CNC 047181-209110
Siemens 6AV6643-0CD01-1AX1
Spirax Sarco Control Valve 5123
ABB NAMU-01C Auxiliary Measuring Unit 64702475D NAMU-01C
Telemecanique ATV58HU18N4
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Interroll Drive Control 20 for Roller Drive 1001415
B&R Automation 3IF779.9
Endress + Hauser Levelflex-M FMP40-1AA2CRJB21AA
Accu-Sort 2755-SN5
ABB Robotics 3HNP04014-1
Reliance Electric OIC-2 Controller Board OIC2 SA-78443
Bauer BG10-11/DHE08XA4
Reliance Electric S-67116
Bauer BG10-11/DHE08XA4
Euchner HBA-105693
Allenwest U055
ABB IMCIS22
B S BARE BD. 80-410-180-1
British Encoder 775-HV
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MGE UPS Systems 51029228 66069
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Siemens 6GK5108-0BA00-2AA3
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Burkert 054154V
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Novotechnik TRS 75
Trafag NAT 8251.23.2517
Eurotherm Drives 584
Leybold Vacuum 71127123
Cognex CCB-84901-4004-15
Festo FLSR-40-L
Measurement Systems Datascan 7050
Kone RI 9300/33
Interroll Drive Control 20 for Roller Drive 1001415
ABB 1SVR011718R2500
Binder LBY233119
Jetter SP 128 Control Card Circuit Board SP128/RTC
Industrial Encoders Direct IED SP114503-2048
Sick LS 39-1 Optic Electronic Sensor LS 39-11082
Vipa SM 022-1BD20
Siemens 3RK1903-0AK00
IFM IGT205
Eaton LS-11
Disco Engineering 8-D0 (COMM)-PCB FBPCB-0174
B&R Automation 7EX270.50-1
Metronics Gage-Chek GC140-SP
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Metronics Gage-Chek GC140-SP
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6SE6400-2FS03-8CD0
Vipa SM 022-1BD20
Allen Bradley 440G-L07264
Balluff Processor Unit BIS F-450-000-A
Schneider Electric ATV12H018M2
IFM OF5027 Photoelectric Sensor OFB-FPKG/US-100
Reliance Electric IIS-13 Controller Board IIS13 S-76001
Telemecanique Altivar ATV58HU90N4
Martonair S/441H/45
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Adept CIP2 Front Panel 30350-10352
Schunk PGN+125-1-AS
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IFM Efector 100 IIB2010-FRKG
IFM O2D220
Siemens 3SE2 200-1E
Parker 6901-00-G
Krohne H250/RR/M9/ESK
Elesta SKR115
Berger Laha Electronics Type M 00.812
Schunk SST 301400
ABUS BNC-VGA Converter TVAC20000
Telemecanique XCSPA792
Adept 10330-00460
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ABB Robotics DSQC 327A
Siemens SITOP Power 4 6ES1332-1SH22
Crompton HR2501
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Schwille Elektronik DPM 725 725-027
Siemens 6ES7 315-2FJ14-0AB0
Martonair S/564J/172
ABB Robotics PS 60/4-90-P-LSS-4713-R
KEH 4307 Printed Circuit Connection Board 4307KEH A5980228740002
Telemecanique ATV31HU40N4
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Vickers KDG 2-8A Amplifier Control Board KDG 2-8A-A-614891-10
ABB Robot 3HNE00133-1A/06
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ABB Robot 3HNE00133-1A/06
Clifford & Snell YODALARM YA50/N/RF
ASCO Numatics 833-35470001088
Busch Vacuum R50100F
Omron E58-CIFIR
Mead LTV-45
Balluff B0S00W2
Hydac VR 2 D.0/-L110
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!