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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
KLA Instruments 710-650094-20DS UNIPHASE LASER HEAD 2213-75SLK
KLA-Tencor 073-651050-00
KLA-Tencor SURFSCAN ADC8, SFS72
KLA-Tencor SURFSCAN 7200
KLA Y FLEX BOARD,710-650204-20 REV J2,073-650203-00
KLA-Tencor SURFSCAN FLATFINDER PCB, ASSY 101885
USHIO UXL-S75MA
KLA-TENCOR KBBD BREAKOUT, S8 320552 W000193399
Lambda LFS-47-48
KLA-Tencor SURFSCAN 7200 PCB ASSY 113000 REV H-1
BIO-RAD RUDOLPH TECHNOLOGIES A17838
Prometrix PCB, Radial Sensor ,54-0029
Prometrix PCB, Probe Down , P/N 54-0028
Prometrix PCB, Door Sensor, KLA , P/N 54-0024
EV-170B PWA-00158-00
KLA TENCOR 50-0112
PWA-00736-0A
Black Box AC056A
KLA-Tencor SURFSCAN 7200 PCB ASSY 115851
KLA Tencor 740-08985-000
0169-628-04A
10-00020 10-00030?
40D 91007-4757
KLA-Tencor 157074
16-bit ISA NETWORK CARD KLA-Tencor SMC 60-600406-002
KLA-Tencor Prometrix UV-1050
KLA-Tencor SP1 300DFF1P
Yaskawa XU-RCM9205 S4M605-5-02 TAS300
ACUSHAPE / ACUSHAPE POWER SUPPLY US008815
880-05229-000,880-50510-000
MECS UTW101LHG CS-1000
KLA KLA-TENCOR ACROTEC 6500
KLA Tencor Optical Panel Assembly KLA 6020
TENCOR ALPHASTEP 100
KLA-Tencor Surfscan SP1/TBI
750-653120-00C0-B
KLA Tencor 5100
KLA Tencor Stage 6020
KLA Tencor P10 P-10
ASYST TECHNOLOGIES ISO LOAD PORT 2 9700-9129-01
FT650
KLA Tencor Asyst 300FLS3 STD, KT07 9750-0038-01
KLA Tencor Asyst 300FL, S2.1 25WFR 9700-5158-03
KLA Tencor 6020
901-340563-000
KLA Tencor P-2
TECHSOL MODEL NO 99-15980-00
KLA Tencor 6020
KLA Tencor EFEM Interface Techsol 003-99-001-230
KLA AIT UV 188859
KLA-Tencor 6220
Pacific 750-342246-000
KLA Tencor ASET F5x
Air Tech MAC-100
KLA-Tencor P/N 0000117-001
KLA-Tencor AITUV P/N 294420
KLA-Tencor Surfscan SP1/TBI
KLA-Tencor KLA2900
BENTLY NEVADA 1701/10
Bently Nevada 1701/25
BENTLY NEVADA 1701/15
BENTLY NEVADA 1701/25
Bently Nevada Field Monitor Seismic Input Monitor 1701/22
BENTLY NEVADA FIELDMONITOR 170190
BENTLY NEVADA 1701 FIELDMONITOR 170180-01-06
Bently Nevada 1701 FieldMonitor 170133-090-00
Bently Nevada FieldMonitor 1701 Model 1701/15
Bently Nevada 1701 FieldMonitor 170133-140-00
BENTLY NEVADA 1701/10
Bently Nevada Fieldmonitor 1701 PLC Set 1701/06+1701/10+1701/15+170190+170180-01
BENTLY NEVADA 3300/16-01-02-01-00-00-00
BENTLY NEVADA 3500 SYSTEM DISPLAY 3500/93
BENTLY NEVADA PROXIMITOR SENSOR 3300 XL 5/8MM 3301809000
Bently Nevada 3300
BENTLY NEVADA PROXIMITOR SENSOR 7200
Bently Nevada 3300/01-01-00
Bently Nevada 3300/01-01-01
BENTLY NEVADA 3300/03-01-00
Bently Nevada 330103-00-06-10-02-00
BENTLY NEVADA 330500-02-04
BENTLY NEVADA 3500
BENTLY NEVADA 3300 SYSTEM 3300/12 3300/03 3300/26
BENTLY NEVADA 3300/03-03-00
Bently Nevada 3300/15-12-01-03-00-01-00
Bently Nevada Dual Vibration Monitor 3300/16-13-01-01-00-00-00
BENTLY NEVADA 3300/03-03-00
BENTLY NEVADA 330180-91-00
Bently Nevada Eccentricity Monitor 3300/40-12-01-00-00-00
BENTLY NEVADA 3500/45
Bently Nevada 3300 System Monitor 3300/10-03-02-00
BENTLY NEVADA 3300/16-01-02-00-00-00-00
BENTLY NEVADA 3600/16-02-01-00-00-00-00
BENTLY NEVADA 330101-00-40-10-02-00
BENTLY NEVADA 3300/50-01-01-01-00
BENTLY NEVADA 350500-010000-01-01
BENTLY NEVADA 3500/45
138607-01AB 350022M
28607-018-02
Bently Nevada 330101-09-51-10-02-05
BENTLY NEVADA PWA 46857-01
PWA77684BJ
PWA77684BK
BENTLY NEVADA 330500-01-00
Bently Nevada 3300 System Monitor 3300/10-03 -02-00
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!