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集散控制系統(tǒng)(Distributed Control System-DCS)集計算機技術(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)。隨著計算機和網(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)場總線控制系統(tǒng)(Fieldbus Control System-FCS)。但國內(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)條件和市場條件下,F(xiàn)CS還不能完全取代DCS,而且目前現(xiàn)場總線設(shè)備和系統(tǒng)還十分昂貴。因此,除了新建企業(yè)外,國內(nèi)企業(yè)在較長時間不可能全面采用現(xiàn)場總線技術(shù),而必須走逐步發(fā)展、過渡的道路。 ??我們在上海石化股份公司環(huán)保部水質(zhì)凈化廠監(jiān)控系統(tǒng)的改造項目中,對3個生產(chǎn)單元已有的DCS和PLC進(jìn)行改造,增加通信功能,實現(xiàn)總調(diào)度室對各生產(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各個生產(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,加強監(jiān)控手段,確保各生產(chǎn)裝置的正常運行,急需對各生產(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)度室對各裝置進(jìn)行監(jiān)視管理,及時了解各裝置的運行情況,達(dá)到指揮及時和調(diào)度準(zhǔn)確的目的。 2.1?現(xiàn)場監(jiān)控系統(tǒng)的改造 ??現(xiàn)場監(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時性。首先對自控程度較高的3個單元進(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)量輸入信號卡,可采集384點信號;7塊開關(guān)量輸出信號卡,可輸出112點信號;3塊模擬量輸入信號卡,可采集24點信號。兩套AB—PLC通過DH+(數(shù)據(jù)高速通道)實現(xiàn)數(shù)據(jù)共享。在原有的現(xiàn)場控制計算機上分別增加以太網(wǎng)卡,通過以太網(wǎng)將實時數(shù)據(jù)送到總調(diào)度室處理。??輸出192點信號;1塊模擬量輸入信號卡,可采集8點信號。系統(tǒng)運行采用遙控開關(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臺現(xiàn)場操作站,用點對點方法連接,使PLC的數(shù)據(jù)通過現(xiàn)場操作站送到以太網(wǎng)上,與總調(diào)度室監(jiān)控計算機通信。但RS-232傳輸速率只有9600bps,操作站僅對現(xiàn)場起到監(jiān)視作用。
BUSSMANN 170M5258Bussmann 170M5952/5953/5954/5955/5956/5957/5958
Bussmann 170M6421
BUSSMANN 170M6146/6147/6148/6150/6151
BUSSMANN 170M7062/7063/7102/7103/7122/7123
BUSSMANN 170M5566/5567/5568/5518/5467/5468
Bussmann 170M6494/6495/6496/6497/6498/6499/6500/6501
Bussmann 170M6418/6468/6469/6518/6519/6568/6569/6393
BUSSMANN 170M4145/4146/4147/4195/4196/4197
Bussmann 170M5195/5196/5197/5198/5199/5200
Bussmann 170M6188/6189/6190/6191/6192/6193/6194/6195
Bussmann 170M5018/5068/5167/5168/5217/5218
Bussmann 170M5241/5242/5243/5244/5245/5246/5247
BUSSMANN 170M3558/3559/3560/3561/3562/3563/3564/3565
BUSSMANN FWP-60B
BUSSMANN 170M5145/5146/5147/5148/5149/5150
Bussmann 170M6196/6197/6198/6199/6200/6201
Bussmann 170M6008/6009/6011/6014/6015
Bussmann 170M5460 500A 690V aR 170M5458/5459/5461
Bussmann 170M1422 315A 690V aR 170M1419/1420/1421
Bussmann 170M6466 1250A 690V 170M6461/6462/6463/6464
Bussmann 50LET
Bussmann 170M2038 250A 1200VDC 170M2027~2033~2038
Bussmann / 170M5881/5882/5883/5884/5885/5886/5887/5888/5889
Bussmann BAO40 40A/50A 550V AC BS88 gG
170M4176/4177/4178/4179/4180/4181/4182/4183/4184/4185/4186
Bussmann OSD100
Bussmann 120EFMA63 / 24THMEJ63
Bussmann 170M3810D
Bussmann FWH-1200A
Bussmann 170M6204 550A
Bussmann 170M4461
Bussmann 170H1007/3003/4/5/6
Bussmann JJS-60 JJS35/40/45/50
Bussmann 170M1565D
Bussmann/ 170E9187 630A1400V aR 170E3914~2922 170E8882~8888
Bussmann 170M5989
Bussmann LPJ-300SP/400SP
Bussmann 170M3116
BUSSMANN 170M3690
Bussmann NT00 RT16-00
Bussmann 170M6814D
BUSSMANN 355MT
BUSSMANN 170M4062
Bussmann 180LETa
Bussmann 170M3462
Bussmann FWH-300A
Bussmann 170M3423
Bussmann/ 170M6083
Bussmann JJN-150
Bussmann 170M8647
Bussmann 170M6467
bussmann FWJ-50A
BUSSMANN 280MMT 280AMP 690V/700V aR
Bussmann KAC-100 100A 600V
Bussmann 170M7636
Bussmann 170M8547
Bussmann 170M6168
Bussmann 170M3461
Bussmann 170M3414
Bussmann 170M2698
Bussmann 170M3470
Bussmann 170M6012
Bussmann 170M5973
Bussmann 170M5248
FD1600/1200R17HP4_B2 FD1600/1200R17KF6C_B2
SKIIP642GB120-208CTV-F
FS225R12KE3/AGDR-71C
10000UF
EPCOS 400V4800UF B43564-S9488-M2
Bussmann 170M7066/7086/7106/7126
Bussmann 170L3161-F
BUSSMANN 170M7118/7119/7120/7121/7122/7123/7124/7125
Bussmann 170M3465
BUSSMANN 170M7083
Bussmann 170M3488/3489/ 3490/3491/3492/3493/3494/3495
Bussmann 170M5813
BUSSMANN 170M6663
Bussmann 170M3921/3922/3923/3924/3925/3926/3927/3928
BUSSMANN 170M4958/4959/4960/4928/4929/4930
170M2671
Bussmann 170M5922/5923/5924/5925/5926/5927/5928/5929
Bussmann 170M6408/6409/6410/6411/6412/6413/6415
Bussmann 170M4951/4952/4953/4954/4955/4956/4957
Bussmann 170M5508/5509/5510/5511/5512/5513/5514/5515
Bussmann 170M3959/3960/3961/3929/3930/3931
Bussmann 170M6420/6421/6470/6471/6520/6521/6570/6571
Bussmann 170M8611/8612/8613/8510/8511/8512/8513
Bussmann 170M8602/8603/8604/8605/8502/8503/8504/8505
BUSSMANN 170M3458/3459/3460/3463/3464
BUSSMANN 170M4438/4439/4440/4441/4442/4443/4444/4445
BUSSMANN 170M6538/6539/6540/6541/6542/6543/6544/6545
BUSSMANN 170M4558/4559/4560/4561/4562/4563/4564/4565
Bussmann 170M5588/5589/5590/5591/5592/5593/5594/5595
Bussmann 170M4266/4267/4268/4269
Bussmann 170M6108/6109/6110/6111/6112/6113/6114/6115
BUSSMANN 170M6258/6259/6260/6261/6262/6263/6264/6265
Bussmann 170M4822/4823/4824/4825/4826/4827/4828/4829
Bussmann 170M4965/4966/4967/4968/4969/4970/4971/4972
Bussmann 170M3396/3397/3446/3447/3448/3496/3497
Bussmann 170M5960/5930/5931/8600/8601/8500/8501
Bussmann 170M4973/4974/4988/4989/5966/5967/5981/5982
Bussmann 170M3266/3267/3268/3269/3270
BUSSMANN 170M7066/7086/7106/7126
Bussmann 170M5416/5417/5418/5466/5516/5517
Bussmann 170M3108/3109/3110/3111/3112/3113/3114/3115
170M2673/2674/2675/2676/2678/2679/2680/2681 170M1516
Bussmann 170M5316/6308/6309/6310/6311/6312/6313/6314
Bussmann 170M6208/6209/6210/6211/6212/6213/6214/6215
Bussmann 170M4316/4317/4318/4358/4359/4360/4361/4362
Bussmann 170M3566/3567/3568/3569/3570/3571/3572/3573
Bussmann 170M8638/8639/8640/8641/8642
BUSSMANN 170M2616/2617/2618/2619/2620
Bussmann 170M1408/1409/1410/1411/1412/1414/1415
Bussmann 170M4188/4189/4190/4191/4192/4193/4194
FZ1000R33HE3 FZ1800R17HP4-B29
Bussmann 170M5810 500A 690V aR / 170M5876
Bussmann BAO63 63A 550V BS88 gG BAO40 BAO50 BAO63M80
170M3902 125A 690V 170M3903/3904/3905/3906/3907/3908/3909
Bussmann 170M1780/1781/1802/1805/1807
Buss/BS88-4 100FE
Bussmann FWP-40A14Fa
BUSSMANN FWP-2A14Fa
Bussmann JJN-30 30A 300VAC/160VDC JJN-1~30A
BUSSMANN FWP-80Ba
Bussmann 170M5464
Bussmann FWP-150A
Bussmann 170M2073
Bussmann FRN-R-1.6
Bussmann 170M1371
Bussmann /170H0235/0236/0237/0238
Bussmann 170M8611
Bussmann FWH-60B
Bussmann JJN-60 60A 300Vac JJN60LS
Bussmann / GE 323A2433P6
Bussmann 170M3271 500A 690V aR 170M3272/3273
Bussmann 170L9578/9583 170L8880
Bussmann 170M3813D
Bussmann 170M6086
BUSSMANN 170M4445
Bussmann FWH-500A
Bussmann JKS-200
Bussmann 170M3421
Bussmann 170M6084
Bussmann FWH-300A
Bussmann 170M8545
Bussmann 170M6727
Bussmann 170M1413
BUSSMANN 170M6125
Bussmann 170M4700
BUSSMANN 170M6145
Bussmann 170L7299
Bussmann 170M5959
170M2692 16A 690V 170M2691/2693/2694/2695/2696/2697/2698
Bussmann 170M3809
Bussmann 170M8610
Bussmann 170M4016
Bussmann 170M3445
BUSSMANN 170M6464
Bussmann 170M4417
Bussmann 170M5739
Bussmann 170M6248
BUSSMANN 170M6149
BUSSMANN 170M4462
Bussmann 170M6016
Bussmann 170M3392
Bussmann 170M2667
Bussmann 170M6018
Bussmann 170M5465
Bussmann 170M6588/6589/6590/6591/6592/6593/6594/6595
Bussmann 170M3951/3952/3953/3954/3955/3956/3957/3958
Bussmann 170M4488/4489/4490/4491/4492/4493/4494/4495
Bussmann 170M6416 1250A 690V aR /170M6516/6517
Bussmann 170M5408/5409/5410/5411/5412/5413/5414/5415
注:聯(lián)系我時,請說是在“傲立機床網(wǎng)”上看到的,謝謝!