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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。
BUSSMANN 170M6616/6617/6618/6619/6620/6621BUSSMANN 170M6666/6667/6668/6669/6670/6671
BUSSMANN 170M5658/5659/5660/5661/5662/5663/5664/5665
BUSSMANN 170M6692/6738/6739/6740/6741/6742/6743/6744
Bussmann 40FE 50FE
BUSSMANN 170M6758/6759/6760/6761/6762/6763/6764/6765
BUSSMANN 170M5716/5717/5718/5766/5767/5768
BUSSMANN 170M4608/4609/4610/4611/4612/4613/4614/4615
Bussmann 170M5990
BUSSMANN 170M3697/4688/4689/4690/4691/4692/4693/4694
Bussmann 170M5808/5808D 170M5810D
bussmann 170M5811
Bussmann 170M4415
bussmann FWJ-50A
Bussmann 63NHG000B 80/100NH000B 125/160NHG00B
Bussmann FWH-40B FWH-80B
BUSSMANN JKS-200/250/300/400/600
Bussmann C22G125A C22G8/10/25/32/63/80
bussmann FWA-70B/80B/100B/400B/500A/700A/1000AH/3000AH
Buss/BS88-4 200/350FM 35/100FE 120/200FEE 400/700FMM
Bussmann 170M4830/4831/4832/4833/4834/4835
BUSSMANN 170M6119/6120/6121/6269/6270/6271
Bussmann 170M6066/6166/6216
Bussmann 170M4008/4009/4010/4011/4012/4013/4014/4015
Bussmann 170M3981/3982/3983/3984/3985/3986/3987/3988
Bussmann 170M3117/3118/3119/3120/3121/3122/3123
Bussmann 170M8650/6301/6302/6303/6304/6305/6306/6307
BUSSMANN 170M6158/6159/6160/6161
BUSSMANN 170M4059/4060/4061
Bussmann 170M2682/2683/2684/2685
Bussmann 170M5358/5359/5360/5361/5362/5363/5364/5365
BUSSMANN 170M6716/6717/6718/6719/6720/6721
BUSSMANN 170M5708/5709/5710/5711/5712/5713/5714/5715
BUSSMANN 170M5743/5744/5745/5746/5747/5748/5749/5750
BUSSMANN 170M3758/3759/3760/3761/3762/3763/3764/3765
BUSSMANN 170M6688/6698/6699/6700/6701/6689/6690/6691
BUSSMANN 170M3658/3659/3660/3661/3662/3663/3664/3665
BUSSMANN 170M6766/6767/6768/6769/6770/6771
BUSSMANN 170M3716/3717/3718/3719/3720/3721/3722/3723
BUSSMANN 170M6696/6749/6697/6750/6751
BUSSMANN 170M4708/4709/4710/4711/4712/4713/4714/4715
BUSSMANN FWP-3A14Fa
Bussmann 170L3158 00T/80 80A660V 170L4213/5266/5714
Bussmann JJN-30/50/60/70/100/125/150/350
bussmann FWA-300B 300Amp 150Vac aR 70/80/100/125/150B
KTN-R-50/60/70/75/80/90/100/110/125/150/175/200
Bussmann 20SF21
BUSSMANN FWP-125A/200A/250A/400A/600A/700A/1200A
BUSSMANN Telpower DC Power TPL-BH-200A
BUSS KRP-C-1000SP/1100/1200/1350/1400/1500/1600/2000
Bussmann JJS-110A/125A/150A/175A/200/250/400/500A (600V)
Bussmann BS88-4 80LET 400/630/900LMMT
NON-3/7/10 NON-12/15/20/25/30 NON-40/50/200/500
Buss TPN-3/25/225/600
170M1466 170M1467 170M1468 170M1469 170M1470 170M1471
BUSSMANN 170M6116/6117/6118/6266/6267/6268
Bussmann 170M3166/3167/3168/3169/3170/3171/3172/3173
Bussmann 170M6315/6316/6317/6318/6365/6366/6367/6368
BUSSMANN 170M6058/6059/6060/6061/6062/6063/6064/6065
Bussmann 170M5016/5017/5066/5067/5166/5216
Bussmann 170M5308/5309/5310/5311/5312/5313/5314/5315
Bussmann 170M4810/4811/4812/4813/4814/4815
Bussmann 170M4363/4364/4365/4366/4367/4368
Bussmann 170M1558/1559/1560/1561/1562/1563/1564/1567
BUSSMANN 170M3058/3059/3060/3061/3062/3063/3064/3065
BUSSMANN 170M4158/4159/4160/4161/4162/4163/4164/4165
Bussmann 170M1316/1317/1318/1319/1320/1321/1322/1324
Bussmann 170M2666/2667/2668/2669/2670/2671
ZP2500A2500V
3ASC485506E19
PD10016A
JEAN MULLER 800A/690V R3087241 900A/690V R3087441
SKKH570/18E SKKH570/16E
3NE4333-6B 3NE4333-0B
CU320-2DP 6SL3040-1MA00-0AA0
ACS800 BAMU-01C ABB
74103-845-51 1336-QOUT-SP25A AB
ABB ACS800
KPX1800-42 KPX 1800-42 1800A4200V
SKKT162/16E SKKT162/18E
160MT120KPBF 160MT160KPBF
FD800R17KF6C-B2
TD500N18KOF TD570N16KOF
Ferraz A70Q150-4
Ferraz A15QS1000-4 150Vac/dc 15QS800-4IL A15QS3000-128
Ferraz FD20GB100V50T CC1051 CP GRB20 127 50 D100GRB050VI
PC273UD11C14CTF 11URD K302229(L300735) J302228 / Y300884
Ferraz A720T2E-1 2A 7.2KV A720T1E-1 A500T/A720T
Ferraz A240R-2R A480R12R-1 A072B1DARO-5R/6R/9R/12R
Ferraz A072F2D0R0-18/24R A072B1DARO-2R A072B2DARO-24R
Ferraz Shawmut A50QS250-4 A50QS300-4
Ferraz/DN00UB69V80D1L A330257 100D1L/B330258 125D1L/C330259
Ferraz Shawmut A70QS80-22F
DN17GB69V63 6.9 gRB 17 D08/63 Y220982 75/Z220983 80/A220984
DN00GB69V16D1L W33027 20/P330247 25/Q330248 32D1L/R330249
KP91400-24 KP9 1400-24 1400A2400V
FZ2400R17HP4-B29
MDC-X-200-15
CATELEC CTT220GK12 CTT220GK08 CTT220GK06
A070UD33LI1100/1250 S300235 T300236 A060UDLI2000 J301078
A070UD33LI500/550/630/700 K300228 L300229 M300230 N300231A07
Ferraz A4J60 A4J31~60 61-100A 101-200A 201-400A 401-600
Ferraz A70P125-4TA A70P90/200/225-4TA A50P250-4TA
Ferraz A072F1D0R0-6R 170A 7.2KV / A072B2DARO-18R
Ferraz A4J100 A4J200
Ferraz A15QS2500-128IL A15QS3500-128IL
Ferraz BS217UT69V110 B099959 BS217UT69V150 C099960
Ferraz DNOOGB69V100L A330234 125L/B330235 160L/C330236
Ferraz/DN00UD10C40/50/63/80L G076412 H076413 J076414 C075534
DN17GB69V35 S220977 40/T220978 45/V220979 50/W220980 55/X220
PD70FG160 PD70F160 PD90F160 PD90FG160 PD110FG160 PD110F160
T223002 NH1AM69V250P-2 A200790 NH1AM50V315P-2
NH1AM69V125 NH1AM69V160 NH1AM69V200 NH1AM69V224
TT600N16KOF TT570N16KOF
Siba/ULTRA/RAPID SQB3-900A 690/ 700VaR 2063032
Siba SQB3 1100A 690/700V 200KA aR (2063532)
SIBA SQB 1 2066032.63
JEANMULLER R2214900 R2214955 R2215200 R2215218
JEANMULLER R5211450 R5211750 R5212213 R5212250
JEANMULLER R5214900 R5214913 R5214950 R5282250
SQB1 IEC60269-4 200A 690/700V
JEANMULLER R4217200 R4217204 R4217900 R4218200
JEANMULLER R5383500 R5383800 R5384600 R5385600
JEANMULLER R1214600 R1214900 R1214904 R1215600
JEANMULLER R5582250 R5582650 R5583150 R5583850
R5184613 R5184618 R5184650 R5184913 R5184950
JEANMULLER R5283150 R5283413 R5283450 R5283513
JEANMULLER R1584900 R1585600 R1585900
JEANMULLER R2215255 R2215600 R2215604 R2215655
JEANMULLER R5213800 R5213813 R5213824 R5213850
JEANMULLER R5023500 R5023800 R5024100 R5024300
PC71UD13C350/400/450D1A H300548 J300549 K300550
DN00UB69V100L E330238 DN00UB69V125L F330239 160L/G330240
A055UD33LI2250 K301079 A050UD33LI2500 L301080
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