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集散控制系统(Distributed Control System-DCS)集计算机技术、控制技术、通信技术、CRT技术于一体,广泛应用于生产过程控制系统。随着计算机和网络技术的飞速发展,产生了一种新型的控制系统———现场总线控制系统(Fieldbus Control System-FCS)。但国内生产企业的情况是:大多数企业还处于模拟仪表和人工控制的阶段,采用DCS控制系统的企业仍是少数。由于DCS应用广泛、技术成熟,在现有的技术条件和市场条件下,FCS还不能完全取代DCS,而且目前现场总线设备和系统还十分昂贵。因此,除了新建企业外,国内企业在较长时间不可能全面采用现场总线技术,而必须走逐步发展、过渡的道路。 ??我们在上海石化股份公司环保部水质净化厂监控系统的改造项目中,对3个生产单元已有的DCS和PLC进行改造,增加通信功能,实现总调度室对各生产装置的集中监控。 2?系统改造方案?? 根据水质净化厂各生产单元的功能和建设阶段,分为厂外调节池、污水一段、氧化沟、四期污水处理、污泥脱水、污泥干化6个生产单元。另外,在厂部设有总调度室,但是总调度室的监控水平较为落后,改造之前基本上不能对各个生产单元进行监控。为了适应生产需要,提高生产效率,改善操作条件,加强监控手段,确保各生产装置的正常运行,急需对各生产单元和总调度室进行技术和设备的更新改造,从而能在总调度室对各装置进行监视管理,及时了解各装置的运行情况,达到指挥及时和调度准确的目的。 2.1?现场监控系统的改造 ??现场监控系统的改造要充分利用原有仪表和设备,主要考虑可靠性和实时性。首先对自控程度较高的3个单元进行改造(系统结构见图2—1): ??四期污水处理生产单元控制设备配置了两套ALLEN-BRADELY公司PLC设备。25块开关量输入信号卡,可采集384点信号;7块开关量输出信号卡,可输出112点信号;3块模拟量输入信号卡,可采集24点信号。两套AB—PLC通过DH+(数据高速通道)实现数据共享。在原有的现场控制计算机上分别增加以太网卡,通过以太网将实时数据送到总调度室处理。??输出192点信号;1块模拟量输入信号卡,可采集8点信号。系统运行采用遥控开关操作与全模拟流程盘显示。在原有的Siemens S5-115UPLC上增加RS-232通讯模块(CP524)和1台现场操作站,用点对点方法连接,使PLC的数据通过现场操作站送到以太网上,与总调度室监控计算机通信。但RS-232传输速率只有9600bps,操作站仅对现场起到监视作用。Siemens 3VL9300-3MN00
REXROTH MHD090B-058-PP1-UN R911276758 REMAN
REXROTH MFesto tensioning Module ev-32-5
WAGO 8 Channel Digital Input Terminal 753-430
Festo multiple Cylinder advut - 63x2-30-p-a-sm
ABB Power Connection Board Juice 166 APC 58096652
Sick Disposable Light Curtain ws45-u260
Festo PROXIMITY SWITCH sme-3-sl-led-24-b
Sick Distance Sensor dt20-p244bs04
Spraymation Applicator Model 306917
Schmersal sicherheitszuhaltung AZM 161sk-12/12rka
Festo Output Module Viga - 03-fb-4 18656 f007
IFM Efector 100 Inductive Sensor ig5588
Sick Array Sensor Edge Finder al20e-pm111
Beckhoff Motor Cable Engine Pipe zk4500-0023-0100
Parker HOERBIGER ORIGA blockierzylinder dzb5063/250
Festo Twin Piston Cylinder dpzj - 25-80-p-a-s2
Festo Linear Drive dgp-63-480-ppv-a-b
Ace pneumatically zustellhub Traine 20-20 1-748-22-00
Murr I/O Module Masi 68 ai4 RTD E 56442
Festo Solenoid valve MEH-5/3E-1/8-S-B
Festo Mini Sled slt-25-30-p-a
Festo pneumatic valve vuwg-l10-m52-m-m5
Festo Mini Sled slt-20-50-a-cc-b
Festo Mini Sled slt-16-50-p-a-cc
Kobold Thread Magnetic Filter mfr-0025
Siemens Interface Module 6es7157-1ab00-0ab0
Festo Mini Sled slt-10-80-a-cc-b
Euchner Writing Reading Head cit3sxi0g05
Festo Filter Rule Valve LFR-1/4-DB-7-5M-0
Schunk Miniature Linear Module CLM 010-h020
Schunk 3 Finger-centric Gripper pzn+64-1-is
Festo Standard cylinder dnc-50-150-ppv-a-s6
Bosch 062687-205
Timken Tapered Roller Bearing 3877 3820 99401
Festo Mini Sled slt-20-125-a-cc-b
Mushroom Reflex LIGHT SWITCHES PAIR op3.3 630830
Schneider Electric abl1rem24062
Festo Mini Sled slt-10-40-p-a
Festo Maintenance Unit lfr-1/2-d - Midi-KG
Festo paralelgreifer hgp-16-a-b-g2
SMC Pressure Control Valve itv1051-31f2n-q
Festo Mini Sled DGSL - 20-150-y3a
Festo end positions Regulator spc11-mts-aif
Sick reflection light switches wtb250-2p2431
Festo Mini Sled slf-10-50-p-a
Festo Solenoid valve mfh-5-1/4-sa
Festo Pneumatic Valve Tappet Valve v-3-m5
VIPA easy Conn PB 0 Degree Sub-D connector 972-0DP30
Kieback & Peter Differential Pressure Switch d600z22
Festo Mini Sled slt-16-30-a-cc-b
Schunk Swivel Unit SRU + 35-w-180
Rexroth Valve Z1S 10 T1-33/V
Festo Standard cylinder dnc-63-280-ppv-a-kp
Festo Mini Sled slt-10-30-a-cc-sa
Festo Flat Cylinder DZF-40-60-A-P-A
HD112A-024-PG0-BN SERVO MOTOR
REXROTH MKD041B-144-GP0-KN UNMP
REXROTH MKD041B-144-KP1-KS R911295887 NSNP
REXROTH MSK071E-0300-NNSMC round cylinder C75E32-100
Festo Solenoid valve mvh-5/3e-1/4-b
Festo Mini Sled slf-16-40-p-a
SMC ELECTRIC Short Drive lxfh5bc-50s
Festo Mini Sled DGSL - 10-80-Y3A
Room/Summer Magnetic Field Sensor MFS202-S-KHC-P1-PNP
Festo Mini Sled DGSL - 10-40-Y3A
KEBA Module kemro k2-400 ss420/a
Festo Compact Cylinder ADVUL - 63-30-p-a
SMC 2 Finger paralelgreifer mdhr 2-10r
Wenglor SLR Barrier lm89pa2
Festo Swivel Module dsm-12-270p-cc
Telemecanique Control Relay cad50bd
Murr Basic Distributor MVA6-U-YH-MP
Festo Shock Absorber dysc - 5-5-Y1F
Festo Mini Sled slt-16-80-p-a
Festo Mini Sled slt-16-125-p-a
Festo Mini Sled slt-20-80-p-a
Schmersal sicherheitszuhaltung AZM161SK-12/12rka-024
Schmersal sicherheitszuhaltung AZM 161CC-12/12KA-024
Festo Stainless Steel Standard Cylinder crdng - 50-50-ppv-a
Festo Stepper Motor mtre-st42-48s-aa
Festo parallel gripper hgp-16-a-b-ssk
SMC COMPACT Sled emxq20-150
Sick Light Curtain vl180-p430
Festo Mini Sled slt-16-40-p-a-cc
IFM Efector 100 Inductive Sensor ii5785
Festo Mini Sled slf-16-10-p-a
Festo Mini Sled DGSL - 12-30-p1a
Festo Swivel Module dsm-25-270-p-fw-cc
Festo leadership Cylinder dfm-16-80-p-a-kf
Festo leadership Cylinder dfm-32-125-p-a-gf
Festo Connector crqs - 16 130650
Gemotec Linear Module lm200-h125
Festo Mini Sled slt-25-150-p-a
Festo Linear Drive dgp-50-450 - ppva-B
Festo Linear Drive DGPL - 12-200 - pagf-B
Schunk KGG 80 2 Finger parallel gripper 0340310
Rexroth Mannesmann druckreduzierventil ZDR6DP2-42/210YM
Rexroth Mannesmann druckreduzierventil ZDR6DA2-42/75Y
Rexroth Mannesmann Check Valve Z1S 6 C1-32/V 417570/9
Euchner Safety Switch tz2re024m
Festo Mini Sled slt-20-10-p-a
Festo Swivel-Unit hgds-pp-16-p-a
Festo Mini Sled slt-20-80-p-a-cc
-M2-UG1-RNNN SERVO MOTOR
REXROTH MSK071E-0300-NN-M2-UGL-RNNN
REXROTH MSK071E-0300-NN-S2-UG0-RNNN PERMANENT MAGNET MOTOR
REXROTH MSK071E-0300-NN-S2-UG1-RNNN SERVO MOTOR
REXROTH MSK071E-0450-NN-S1-UG0-NNNN SERVO MOTOR
REXROTH MSK100B-0200-NN-MLAP0-NNNN SERVO MOTOR 3 PHASE
REXROTH VT-DFPE-C-22/G24K0/2A0V/V R900705156 UNMP
RITTAL SK3217100 NSMP
RIX ESX20M-E012(7248) NSMP
ROCKWELL AUTOMATION 0-58820-2 MULTIBUS CONTROLNET MODULE
ROFIN 625-756130 LASER HEAD
ROSEMOUNT 2051TG5M2B21AE5M4T1A1037 NSMP
ROSEMOUNT 3051CG4A02A1AH2E5B3 PRESSURE TRANSMITTER
ROSEMOUNT 3051L2AG0XD11AAM5Q4 NSMP
ROSEMOUNT 3051L2AG0YD31AAS1E5F1 NSNP
ROSEMOUNT 3051L3AA0AD31AAS1M5E5 UNMP
ROSEMOUNT 3051L3AC0FD11AAM5 NSNP
ROSEMOUNT 3051S1LD2AA1A1020NEF71DA60K5M5 275PSI NSMP
ROSEMOUNT 3051S2CA4A7E12A1AK5M5C3 PRESSURE TRANSMITTER
ROSEMOUNT 3051TG4A2B32BK8P2Q4Q8CNQT NSMP
ROSEMOUNT 8711TTA010R1F0135N5 MAGNETIC FLOW TUBE
ROSEMOUNT 8732CT12N0C1 NSNP
ROSEMOUNT 8732EMT1A1N5M4Q4
ROSEMOUNT VORTEX 8800DF030SA1N1D1K5M5 FLOW METER FLANGED
ROTORK PROCESS CONTROLS SM-1020-D-1-0.7/350-90 DEG
SAFESCAN SS7B211MD0 LIGHT CURTAIN
SANYO DENKI P60B13200HBVAB NSNP
SANYO DENKI P60B13200HBVAB REMAN
SCANRAY 08-2526-01 NSMP
SCHNEIDER 394-9411 NJGF36150Y011 150A 600V (AS PICTURED) NSNP
SCHNEIDER 394-9412 NJGF36175Y011 175A 600V NSNP
SCHNEIDER ELECTRIC ATV212HD30N4 NSNP
SCHNEIDER ELECTRIC ATV71HD18N4Z (AS PICTURED) NSNP
SCHNEIDER ELECTRIC ATV930D15N4 NSNP
SCHNEIDER ELECTRIC COMPACT NS GCRNS6301600CB AUTOMATIC SWITCH *NEW IN BOX *
SCHNEIDER ELECTRIC MODBUS PLUS 416NHM30030A INTERFACE ADAPTER *FACTORY SEALED*
SCHNEIDER ELECTRIC SM-140/30/210/P0/45/M1/B1 SERVO MOTOR
SCHNEIDER ELECTRIC TSXP573634M NSMP
SCHUTTE & KOERTING 71-XC-18 NSNP
SEIDEL 60WKS-M240/50-RLG SERVO DRIVE
SEL 751A01A3A1A738512200 NSFS
SEL 751A51A1A3A73851231 110-250V 5A NSMP
SEW EURODRIVE DFT71C4 GEAR MOTOR w/ S37DT71C4 (AS-PICTURED)
SEW MFI21A/MM03/Z18A NSNP
SEW-EURODRIVE MAS51A030-503-50 MOVIDYN DRIVE (AS PICTURED)
SEW-EURODRIVE MDX61B0110-5A3-4-00 DRIVE (AS PICTURED)
SHINKO ELECTRIC AMD-L25-S-100-3504 NSNP
SICK CLV490-0011 BAR CODE SCANNER
SICK S30B-3011CA NSMP
SIEMENS 17HUG92NF14 NSMP
SIEMENS 1FK6084-6AZ21-9ZZ9-Z NSNP
SIEMENS 1FK7063-5AF71-1EB0 NSMP
注:联系我时,请说是在“傲立机床网”上看到的,谢谢!