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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(xiàn)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(xiàn)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(xiàn)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(chǎng)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(chǎng)各生產(chǎn)單元的功能和建設(shè)階段,分為廠(chǎng)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(chǎng)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。
Balzers BG M66 500Anelva H11-10811
Axcelis 17394930
Nikon S2015-064-4
Futurestar 220-0100
Optem International 29-60-54
KMG Electronic Chemicals SP-4365-09
SVG Silicon Valley Group 851-8518-005
ASM Advanced Semiconductor Materials 02-350955D01
Kawasaki 50979-2388L02
TEL Tokyo Electron B31D10-313620-11
Yaskawa V2SB
Nikon 4K177-955-2
AMAT Applied Materials Parts Lot 0150-12910 0150-07978 0020-99490
Yaskawa Electric JANCD-NBB31B F352077-1 NXC100
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ASML 4022.471.6240
TEL Tokyo Electron OYDK-058
Answer Engineering 112-153
Lam Research 715-007469-002
Kniel System-Electronic 313-102-04 .04
Lam Research 853-012350-002-J-LLFD
Lam Research 713-028281-003
Oriental Motor SMK216A-GN
GE Fanuc IC693UDR005LP1
TDK TAS-IN6
Vaisala HMPNIK-S2-A1P0A2EE12C1N1A
ASML 4022.470.0891
Edwards NRY0DN101US
Ziatech ZT8820B
Tazmo 4S064-548
Balluff MicroPulse BTL-5-PI-M1143-R-KA05
Anelva H13-1798
AERA FC-980C
Verteq 1069347.3
Parker 71-023382-10
ASM Advanced Semiconductor Materials 02-146250-01
Nikon 4S007-608 NSR-S202A
Lambda LRS 54M-24
RF20H RF Power Products 660-093816-001
Lam Research 853-012350-002-J-LLFDR
Nikon 4S013-223
JEOL MP002495
Aera FCPIR981C4VX9THA
Air Products DD 1554
Mountz Torque Driver 10 20 35
SVG Silicon Valley Group 99-80396-01
Kensington 15-3600-0300-01
Mitsubishi MR-J2S-40A-S12
Delta Design 1657925-501
TDK FAW24-6R0
Xycarb Ceramics 575699-5
KLA Instruments 710-657231-20 NSC2
Mitutoyo 09AAB215
AMAT Applied Materials 0021-17972
Millipore FC-2900V
Sony DXC-930
TEL Tokyo Electron D116049
ASM 02-196093-01
Panasonic MSM3AZA1N
Oriental Motor PH265L-04
KLA Instruments 710-658909-001
Brisk Heat UASM12012RSN-187
Inficon BGG19250
CTI-Cryogenics 8043074
Ultratech Stepper 03-20-02567
Materion Microelectronics 7105330
J&M Instruments VLP30100SSX N2
Varian Semiconductor Equipment E11288510
Hamamatsu HC124-21
Hitachi PM02-1
ASM Advanced Semiconductor Materials 73055-72435
Lintec MC2100NC
AP Tech AP1210SM
RadiSys 504802-008
Nikon 4S008-152
2T-69516093-Z284-NDF
YM-06-1348
Nikon 4S017-232
AMAT Applied Materials 0020-31536
Emoteq BH02301AF04HBE
Evans Components NB-GL-8C-200-XX
Varian 108384004R-2
STEC SEF-4500M
Aera TC FC-985CT-BF
Finish Thompson VKC80VST348
Mykrolis WGMSA1HRU
TeleFrank 013501-171-27
Hitachi 201M1
Horiba H488828B
DS Techno Co. S3T40542
Lam Research 716-011624-005
Daifuku KBD-2514A-1
Panasonic MSM152A2D
Telemecanique 65032302-011 BSH0703P02A2A
Tylan General CMLA-21 853-017643-003-F-C139
ECI Technology TLA7334-02
Parker 45200944EV SQ420E-50FS8FMPMEV
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Orbot Instruments 710-25201-DD
Lam Research 716-028721-281
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TEL Tokyo Electron 3281-000091-1
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AMAT Applied Materials 0190-22570
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UNIT Instruments UFC-1660
Sti 44507-0100
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TOSOH 04813-002
Tylan FC-2900V
Celerity UFC-8165
AMAT Applied Materials 0010-20422
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Parker 45300332EVPM
Texas Microsystems 10813
ASM Advanced Semiconductor Materials 1008-148-01
UNIT Instruments UFC-1660
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Clean Sciences 15-262478-00
Mykrolis FC-2979MEP5-WM
EM-071T
Texas Instruments 52045-312
DNS Dainippon Screen 2VC12556
Poly-Flow Engineering EA-019
Seren IPS 9500160000
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Pall PHDC11H11B
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IMC-4230-1-B
AMAT Applied Materials 0100-01765
Kurt J. Lesker KJL-912019 CAL-100
AMAT Applied Materials 0050-96206
DNS Dainippon Screen SL-2130-C-Z
A-2000LL
SensArray 50-2030-01
Yamamoto EMP35D010D
Millipore FC-2900V
Brooks Automation BM22462L01
UNIT Instruments UFC-8100
Ultratech Stepper 03-20-01705-02
Opal 70512527
Edwards C41317000
TEL Tokyo Electron CPC-T0060A-11
KLA Instruments 710-650879-20
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AMAT Applied Materials 0100-91015
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Nikon 4S018-378
Mydax M1001E
Hitachi HT94219A
Granville-Phillips 370501-A10-T1
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Balzers BG 541 087-S/B
ASTeX FI20113-1
RECIF Technologies Aligner Motor IDLW8
Tencor Instruments 128066
SMC 60-600455-006
SMC CDQ2B40-01-59469
Omron S8PS-05005C
Nikon 4S015-227
Serto 630.40321
TEL Tokyo Electron 1810-329582-11 G2L
Aera TC FC-985CT-BF
Cohu Electronics 6700
ASM 02-142758-09
AP1002S
AMAT Applied Materials 0021-11486
Nikon 4S019-288-1 NSR-S204B
BP22S-MJ
Dynamic Display QES2014-132
Parker 45400638EV SQ420E502PFS8FMEV
FSI International 2346159
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ASM Advanced Semiconductor Materials 1019-332-01
Edwards D37272000
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Nikon MH-15CC NSR-S306C
AMAT Applied Materials 0041-26196
KLA Instruments 710-650099-20
NTI Network Technologies VOPEX-2KVIM-A
Nikon 9700-5808-01
MKS Instruments 123714-G1
ASM Advanced Semiconductor Materials 02-330608D01
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!