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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。
Shock Absorber for suspension/damper front Axle Sachs 313 283ABB hesg 447388
Cable, Manual Transmission for Gearbox Butcher 3150093
SACHS 313 283
Shock Absorber SACHS 313 283
MONROE G8801
ASEA BROWN BOVERI IWX-161-A-1
AXLE SHOCK ABSORBERS PAIR STRUTS SHOCKERS KYB OE QUALITY 334839
Shock Absorbers Excel G Front Axle Right-KYB 334838
Shock Absorbers Excel G Front Axle Left-KYB 334841
Shock Absorber for suspension/damper front axle Monroe g8802
Handlebar, suspension for suspension Front Axle Butcher 58084301
Shock Absorber for suspension/damper front axle Monroe g8801
Oil Pressure Sender Unit FOR LAND ROVER DISCOVERY I 2.0 89->98 20T4HG
Radiator Cap FOR MAZDA 818
Shock Absorber-NK 652532392
Handlebar, suspension for suspension Front Axle Butcher 58082908
Arm, Windscreen cleaning for windscreen cleaning Rear Axle Butcher 2190287
Shock Absorber for suspension/damper front axle Monroe 742081sp
SACHS Shock Absorber [313 283]
Wash Water Pump, Window Cleaning MAPCO 90656
Tie Rod MAPCO 54649
TRW JGM6078T
Handlebar, Suspension MAPCO 52678
Shock Absorber for suspension/damper front suspension KYB 334841
Wylex SK Stoz ABB B20 S213
BBC Brown Boveri M5AX Servo Amp. HE 810427-318 M5AX-E
Shock Absorber for suspension/damper front suspension KYB 334838
Shock Absorber for suspension/damper front suspension KYB 334839
KAYABA 334839
FRONT SHOCK ABSORBERS PAIR SHOCKER X2 PCS. KYB334838
KYB Front Left Shock Absorber fit FOCUS C-MAX FOCUS C-MAX 334839
FRONT SHOCK ABSORBERS PAIR SHOCKER X2 PCS. KYB334841
Wash Water Pump, Headlight Cleaning Front Axle Butcher 2220044
Handlebar, Suspension MAPCO 59058
Handlebar, Suspension MAPCO 59059
Storage, Wheel Bearing Housing for suspension Rear Axle Butcher 52074109
Sensor, camshaft position for mixture preparation Butcher 0903177
Track Rod End for steering Front Axle Butcher 54047418
ABB Stotz BBC S-213-K-50A
ABB Stotz Kontakt BBC Brown Boveri S181K10A
Spurstangenkopf für Lenkung Vorderachse METZGER 54047418
G8802
MONROE 742081SP
Reparatursatz, Spurstange MAPCO 53636
Nockenwellenposition für Gemischaufbereitung METZGER 0903158
Spurstange MAPCO 54650
MONROE G8802
Front Right Shock Absorber JAPANPARTS MM-00231
Umlenk-/Führungsrolle, Zahnriemen für Riementrieb SKF VKM 21130
Federbeinstützlager MAPCO 37694
Axialgelenk, Spurstange MAPCO 52673
BELAGSATZ HA OPEL AS BOSCH 0 986 494 435
Keilrippenriemen MAPCO 262285
MONROE 742080SP
Spurstangenkopf MAPCO 54636
Sensor, Innenraumtemperatur für Klimaanlage METZGER 0905441
Filter, Innenraumluft MAPCO 65013
Spurstangenkopf - NK 5031541
METZGER 52074109
ABB/BBC HEIR 449840 R1 CIRCUIT BOARD #716850G
ABB BBC VERITRON Stromricht-Ger?t GN 6800037
ABB BBC 0.6000.0004-0200
ABB, Brown Boveri (BBC)| XT 038B
ABB, Brown Boveri (BBC)| GW 61
ABB, Brown Boveri (BBC)| NFLN-01
ABB, Brown Boveri (BBC)| GTU-111
ABB BBC 07ZE40E or GJR2-268-800-R2
ABB, Brown Boveri (BBC)| PT 5501a
ABB, Brown Boveri (BBC)| ED 1625
ABB, Brown Boveri (BBC)| ED 0936
ABB, Brown Boveri (BBC)| UN 0503a-P
ABB, Brown Boveri (BBC)| XT 5532a
ABB, Brown Boveri (BBC)| NWX 514-1
KYB SHOCK ABS GAS FRONT (LH) - 334839
ABB / BBC / ITE LK-32
ABB Stotz-Kontakt BBC Brown Boveri S181L16A
ABB BBC CONTATTORI CONTATTI AUSILIARI CA7-10
ABB, Brown Boveri (BBC)| 70BT01C
ABB, Brown Boveri (BBC)| CS A464
ABB, Brown Boveri (BBC)| CS A463
ABB, Brown Boveri (BBC)| LT 370c
ABB, Brown Boveri (BBC)| UT 372c | UT 372c-sR1
ABB, Brown Boveri (BBC)| 70 AB 02B-E
BBC?ABB Schütz SLA 60 -MV25
ABB, Brown Boveri (BBC)| DD 371a
ABB, Brown Boveri (BBC) | UA 372b-E
ABB, Brown Boveri (BBC) | 07 AB 83
ABB, Brown Boveri (BBC) | UA 372c-E
ABB, Brown Boveri (BBC) | LT 370c
Akku ABB BBC Minifix SDF-AK210
BBC BC16 24V + ABB CA 7 -01 -10
ABB, Brown Boveri (BBC) | GJR5220800R0010
ABB, Brown Boveri (BBC) | LT 370c
ABB, Brown Boveri (BBC)| 10XZ01
ABB, Brown Boveri (BBC) | GJR2309000R0012 |30DS73
ABB BBC 0.256.1224-0300
ABB, Brown Boveri (BBC)| DT 370a
ABB, Brown Boveri (BBC)| RT 374B-E
ABB, Brown Boveri (BBC)| 70 FK 01b
ABB, Brown Boveri (BBC)| 70 EB 01a
ABB, Brown Boveri (BBC)| DT 371a
BBC ABB Contactor SLA 60-mv25 (2s-2?) GHB 961
ABB, Brown Boveri (BBC)| BT 370A-E
ABB, Brown Boveri (BBC)| XV 7715b
ABB, Brown Boveri (BBC)| DT 5534a
ABB, Brown Boveri (BBC)| ED 1790B
ABB, Brown Boveri (BBC)| ES 1836a
ABB, Brown Boveri (BBC)| CT 5536a
ABB, Brown Boveri (BBC)| 70 SK 35A
ABB, Brown Boveri (BBC)| ES 1530c
ABB, Brown Boveri (BBC)| DD 371a
ABB, Brown Boveri (BBC)| ES 1822c
ABB, Brown Boveri (BBC)| ES 1836b
ABB, Brown Boveri (BBC)| ED 1310c
ABB, Brown Boveri (BBC)| RT 374a-E
ABB, Brown Boveri (BBC)| 70 BA 01b
ABB, Brown Boveri (BBC)| UT 376a-E
ABB, Brown Boveri (BBC)| 07 AB 83
ABB, Brown Boveri (BBC)| 70 WB 01a
ABB, Brown Boveri (BBC)| 07 KT 240D R1
ABB, Brown Boveri (BBC)| 07 PS 63 R3
ABB, Brown Boveri (BBC)| ZT 370b-E
ABB, Brown Boveri (BBC)| UT 4810a-E
ABB, Brown Boveri (BBC)| 70AB01C-ES
ABB, Brown Boveri (BBC)| 07 ZE 82 R4
ABB BBC 0.256.1216-0300
ABB, Brown Boveri (BBC)| CT 370a
ABB, Brown Boveri (BBC)| XT 5522b
ABB, Brown Boveri (BBC)| UNS 0001a
Shock Absorber SACHS 313 283
KYB Shock Absorber Fit with Ford Focus 1.6 ltr Front 334839
ABB, Brown Boveri (BBC)| DT 5535a
ABB, Brown Boveri (BBC)| UA 372c-E
ABB, Brown Boveri (BBC)| 70 AB 02a-E
ABB, Brown Boveri (BBC)| 70 BV 01b-E
ABB, Brown Boveri (BBC)| DD 370A
ABB, Brown Boveri (BBC)| 70BA01C-S
ABB, Brown Boveri (BBC)| ED 1780a
ABB, Brown Boveri (BBC)| 70 BL 02C
ABB BBC BROWN BOVERI S221
ABB, Brown Boveri (BBC)| XT 377 e-E
ABB, Brown Boveri (BBC)| 70 BL 31a
ABB, Brown Boveri (BBC)| UN 0053c-P V1
Sachs Front Left Shock Absorber SAC313283
BBC,ABB LK-8
ABB, Brown Boveri (BBC)| UN 1024c-P
ABB, Brown Boveri (BBC)| 70 EB 03a
ABB, Brown Boveri (BBC)| 70 WA 01a-E
ABB, Brown Boveri (BBC)| XV 370a-E
ABB, Brown Boveri (BBC)| QT 370a-E
BBC,ABB LK-8 EO/DO
ABB, Brown Boveri (BBC)| 70 AS 32a-E
ABB, Brown Boveri (BBC)| 70 AB 01b-E
ABB, Brown Boveri (BBC)| 70 BT 01b
ABB, Brown Boveri (BBC)| 07 YS 03B-E
ABB, Brown Boveri (BBC)| 70 SK 32a-E
ABB, Brown Boveri (BBC)| 70 FV 01a-E
ABB, Brown Boveri (BBC)| 70 AA 02a-E
ABB, Brown Boveri (BBC)| UN 0090a-P
ABB, Brown Boveri (BBC)| UN 0510d-P
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!