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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 170M4558/4559/4560/4561/4562/4563/4564/4565Bussmann 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
BUSSMANN 170M3438/3439/3440/3441/3442/3443/3444
Bussmann 170M4243/4244/4245/4246/4247/5238/5239/524
Bussmann 170M4516/4517/4518/4519/4566/4567/4568/4569
Bussmann 170M8629/8630/8631/8632/8633/8634/8635/8636
BUSSMANN 170M6538/6539/6540/6541/6542/6543/6544/6545
Bussmann 170M3466/3467/3471/3472
Bussmann 170M5968/5969/5970/5971/5972/5974/5975
Bussmann 170M5249/5250/6246/6247/6249/6250/6251
Bussmann 170M3188/3189/3190/3191/3192/3193/3194
BUSSMANN 170M5058/5059/5060/5061/5062/5063/5064/5065
Bussmann 170M5108/5109/5110/5111/5112/5113/5114/5115
Bussmann 170M1566/1567/1568/1569/1570/1571/1572
Bussmann 170M4980/4981/4982/4983/4984/8985/4986/4987
Bussmann 170M3008/3009/3010/3011/3012/3013/3014/3015
BUSSMANN 170M4258/4259/4260/4261/4262/4263/4264/4265
BUSSMANN 170M6138/6139/6140/6141/6142/6143/6144/6145
Bussmann 170M3066/3067/3068/3069/3070/3071/3072/3073
Bussmann 170M5366/6358/6359/6360/6361/6362/6363/6364
Bussmann 170M3516/3517/3518/3519/3520/3521/3522/3523
Bussmann 170M4464 500A 690V aR 170M4458/4459
Bussmann 170M3246/3247/3248/4239/4240/4241/4242
BUSSMANN 170M8614/8615/8616/8617/8618/8619/8620/8621
Bussmann 170M3358/3359/3360/3361/3362/3363/3364/3365
Bussmann 170M7078/7079/7080/7081/7084/7085
Bussmann 170M1565 63A 690V aR
Bussmann 450FMM
Bussmann 170M8552
Bussmann 170M8554 1250A 690V aR 170M8555/8555D
Bussmann 170M1368
Bussmann 170M5388/5389/5390/5391/5392/5393/5394/5395
BUSSMANN 170M6644/6645/6646/6647/6648
BUSSMANN FWP-800A
Bussmann 170M3488/3489/3490/3491/3492/3493/3494/3495
Bussmann 170M3243
bussmann FWP-70B
Bussmann 170M6596/6597/6598/6599
Bussmann 170M5494/5495/5496/5497/5498/5499/5500
Bussmann 170M4921/4922/4923/4924/4925/4926/4927
Bussmann 170M3388/3389/3390/3391/3392/3393/3394/3395
BUSSMANN 170M5644/5645/5646/5647/5648/5649/5650
BUSSMANN 170M7064/7065/7084/7085/7104/7105/7124/7125
BUSSMANN 170M6558/6559/6560/6561/6562/6563/6564/6565
Bussmann 170M3420 450A 170M3416/3417/3419/3420/3421
Bussmann 170M8606/8607/8608/8609/8506/8507/8508/8509
Bussmann 170M4396/4397/4446/4447/4496/4497
Bussmann 170M3238/3239/3240/3241/3242/3243/3244/3245
Bussmann 170M4243/4244/4245/4246/4247/5238/5239/5240
BUSSMANN 170M3145/3146/3147/3148/3195/3196/3197/3198
BUSSMANN 1708622/8623/8624/8625/8626/8627
BUSSMANN 170M6346/6347/6348/6349/6546/6547/6548/6549
Bussmann 170M3508/3509/3510/3511/3512/3513/3514/3515
Bussmann 170M4388/4389/4390/4391/4392/4393/4394/4395
BUSSMANN 170M7060/7061/7080/7081/7100/7101/7120/7121
BUSSMANN 170M3258/3259/3260/3261/3262/3263/3264/3265
R302S
Bussmann 170M6018/6068/6218/6019/6069/6169/6219
Bussmann 170M1416 80A 690V aR /170M1417
Bussmann 170M4408/4409/4410/4411/4412/4413
Bussmann 170M1308/1309/1310/1311/1312/1313/1314/1315
Bussmann 170M4802/4803/4804/4805/4806/4807/4808/4809
Bussmann 170M4508/4509/4510/4511/4512/4513/4514/4515
Bussmann 170M3816/3817/3818/3819/5808/5809
Bussmann 170M3989/3990/3991/3973/3974/3975
BUSSMANN 170M4138/4139/4140/4141/4142/4143/4144
Bussmann 170M3308/3309/3310/3311/3312/3313/3314/3315
BUSSMANN 170M2608/2609/2610/2611/2612/2613/2614/2615
BUSSMANN 170M2658/2659/2660/2661/2662/2663/2664/2665
Bussmann 170M3408/3409/3410/3411/3412/3413/3415
Bussmann 170M3017 315A
Bussmann 170M5983/5984/5985/5986/5987/5988
Bussmann 170M4108/4109/4110/4111/4112/4113/4114/4115
Bussmann 170M6238/6239/6240/6241/6242/6243/6244/6245
Bussmann 170M8643/8644/8645/8646
Bussmann 170M4308/4309/4310/4311/4312/4313/4314/4315
IEE CAS MD400V12-ED3
GT600SD120T3H
FF600R06ME3 FF600R12ME4 ff600r17me4
MMG450WB060B6EN
ABB AFIN-01C ACS800-17/37/67
ABB acs800 AFPS_11C
FF800R12KF4 FF800R12KE3 FF800R17KF6C_B2 FF800R17KF6C-B2
A70P1000-4 A70P1200-4 A70P1600-4 A70P2000-4
60FHS75 60FHS110 60FH150 60FHS150 60FH200 60FH235 60FH300
Bussmann FWH-900A FWH-1000a FWH-1200A FWH-1600A
Bussmann 170M5208/5209/5210/5211/5212/5213/5214/5215
Bussmann 170M6203 800A 1250V aR 170M6204/6205/6206/6207
Bussmann 170M4018/4019/4068/4069/4168/4169/4170/4171
Bussmann 170M3316/3317/3318/3319/3320/3321
Bussmann 170M3420
BUSSMANN 170M4742/4743/4744/4745/4746/4747/5688/5689
BUSSMANN 170M4616/4617/4618/4619/4666/4667/4668/4669
BUSSMANN 170M4658/4659/4660/4661/4662/4663/4664/4665
Bussmann JJS-250
BUSSMANN 170M5534/5535/5536/5537/5538/5539/5540
BUSSMANN 170M6616/6617/6618/6619/6620/6621
BUSSMANN 170M6666/6667/6668/6669/6670/6671
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