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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。
ALLEN BRADLEY PANELVIEW 900 2711-T9C1 SER. C F/W 4.00 (REPAIRED)ALLEN BRADLEY POWERFLEX 70 20AE052A0AYNANC0 SER. A F/W 4.001 AC DRIVE
ALLEN BRADLEY POWERFLEX 700 20BD040A3AYNAND0 SER. B AC DRIVE
ALLEN BRADLEY R2711B6C2L1/C PANEL VIEW
ALLEN BRADLEY RP-144447 KIT
ALLEN BRADLEY SLC 500 1747-L543 SER. B F/W 9 PROCESSOR UNIT
ALLEN BRADLEY SLC 500 1747-L543 SER.B PROCESSOR (NO KEY) REMAN
ALLEN BRADLEY ULTRA 1398-DDM-019X-DN SER. A SERVO DRIVE
ALLEN BRADLEY ULTRA 1398-DDM-020X SERVO DRIVE
ALLEN BRADLEY VERSAVEIW 6182H-15TEH4D SER A OPERATOR INTERFACE
AMADA PDT-R3B-10
ANTON PAAR DPRN4122 349581 FLOW DENSITY TRANSDUCER
APANTEC 10047-001 UNMP
APANTEC RAM606 NSNP
APANTEC SDA3E NSNP
ARISTA BOXPC-304K COMPUTER + MONITOR
ASCO 2063816RF 125VDC NSMP
ASCO 833-354201003694 UNMP
ASCO X2063816RF12013 3/8" 125VDC NSMP
ASCO X2063816RF12013 3/8" 125VDC NSNP
ATLAS COPCO ETDSL21-04-I06-PS UNMP
ATLAS COPCO PF3007-G-DN-HW (NO KEY) NSMP
AVTRON AV685N1E8Y8YP000 INCREMENTAL ENCODER
B&R AUTOMATION 5PC810.SX02-00 5P81:JONRED-08 NSNP
BAILEY 547121FAAZ2 NSNP
BAILEY SEQUENCE MODULE INSEM01
BAILY AND PORTER 50SM13A1BXD10ACEC2101 SIGNAL CONVERTER
BALDOR BL0052A03 AC SERVO DRIVE
BALDOR SD26BA05-PO AC SERVO DRIVE
BALDOR ZD18H407-E
BANNER ENGINEERING MGR7216A 32300 NSMP
BAUMULLER BFK 12/30/400-2002
BAYSIDE RA115-030-LB NSNP
BECK 11-208-111548-03-01 NSMP
BECK 20-2701-20
BERGER LAHR WDP5-118.05100 DRIVE
BIHL WIEDEMANN BWU2227 NSNP
BONFIGLIOLI ACU401-19A NSMP
BOSCH 0811404623 NSNP
BOSCH 1070071221-102 SERVO CONTROLLER
BOSCH 1070071221-102 SERVO CONTROLLER
BOSCH SM5/10-TA SERVO MOTOR
BOSTON GEAR VOR13BBLP24 NSNP
Brand New
BRANSON 947MA CONTROL UNIT
BROWNING 7MVC110S NSMP
BRUENINGHAUS HYDROMATIK LA10VO100FE1/31R-PSC12K07-SO203 00987077 NSNP
CANBERRA DSA-1000 UNMP
CARL REHFUSS SM031HU-IEC63C NSNP
CARLYLE 06DM3136CC3650 NSNP
CARLYLE 06DM8086GC3650 NSNP
CEIA 45/900 NSMP
COMMUNICATIONS INSTRUMENTS IC3600KMRB9 NSNP
CONTROL TECHNIQUES 95DSC301CAAAA REMAN
CONTROL TECHNIQUES EP202-P00-ENR0
CONTROL TECHNIQUES M700-06400470A10101AB100 F/W 01.15.00.00 NSMP
CONTROL TECHNIQUES SP3506 (AS PICTURED) NSNP
CONTROL TECHNIQUES UNI2403-R
CONTROLLED POWER 5EZX-1K-8-PI NSNP
CORRUFLEX SXXNCX00 HEAT EXCHANGE
CUTLER HAMMER 91-01095-00 CRT MODULE W/ 42-00924-02
CUTLER HAMMER AN16GG0AB NSMP
CUTLER HAMMER CE15WN3 SER. A1 110/120V NSNP
CUTLER HAMMER ECL03F8D3A SER. A1 120V NSNP
CUTLER HAMMER IBPHFD3060G BUSWAY CIRCUIT BREAKER
DANFOSS BG10G06-37/D06LA4/C3
DATALOGIC PMC80 CONTROL ASSEMBLY
DELCO-FANUC A06B-0502-B001#8000 AC SERVO MOTOR
DENSO RC3-HX4AC UNMP
DIGITAL MRV11-D PCCM1V0
DORRIS 2824 NSNP
DUNGS 226112 DMV-DLE5100/11 SAFETY SHUT OFF VALVE
EATON A210M3CAC NSMP
EATON SVX025A1-4A1B1 ADJUSTABLE FREQUENCY DRIVE
ELAU SH070/60020/0/0/00/00/00/11/00 65012202-003 NSNP
ELECTRO-CRAFT 9101-1000 DRIVE DM-30
ELPAC 1-635-0118 UNMP
EMERSON 12P3439X012
EMERSON 9739MVD61UJEZZZ TRANSMITTER
EMERSON DXA-455 SERVO DRIVE 960096-01
EMERSON FX-208 960135-01 NSNP
EMERSON FX-490 UNMP
EMERSON FX-6120
EMERSON MP155A4R NSMP
EMERSON MX-280-CE
EMOTRON FDU48-018 54CE--EA-NNNNAN--
ENDRESS+HAUSER 50H80-9F0B9RA0BBAA NSNP
ENDRESS+HAUSER 50P50-EL2A1RA0B4AA NSNP
ENDRESS+HAUSER 53P50-AL0B1AA0BBAA ELECTROMAGNETIC FLOWMETER
ENDRESS+HAUSER FMP51-6WLN0/0 NSMP
ERHARDT & LEIMER DC5500 CONTROLLER (AS PICTURED)
EUROTHERM DRIVES 955+8R0020 REGENERATIVE 3PHASE (AS PICTURED)
EXOR M15XC-E ELECTRONIC R+D MONITOR
EXOR M15XC-G
FAIRCHILD CAM4KCL NSMP
FAIRCHILD FHT-A1-74 NSNP
FALK 1525WBHQF IA NSNP
FANUC A02B-0238-B531 18I-MA PANEL
FANUC A02B-0281-C087 LCD UNIT
FANUC A05B-2301-C191 NSNP
FANUC A05B-2301-C331 NSNP
FANUC A05B-2502-C411 NSNP
FANUC A05B-2518-C202#EMH NSNP
FANUC A05B-2518-C202#ESW
FANUC A06B-0123-B175
FANUC A06B-0128-B575#7076 NSFS
FANUC A06B-0143-B176#0075 AC SERVO MOTOR
FANUC A06B-0205-B000#0100 NSFS
FANUC A06B-0247-B100#0100 NSMP
FANUC A06B-0247-B605
FANUC A06B-0247-B605#S000 NSMP
FANUC A06B-0314-B041-R
FANUC A06B-0319-B281#7008 SERVO MOTOR
FANUC A06B-0346-B255 NSFS
FANUC A06B-0502-B201#7000 NSFS
FANUC A06B-1406-B253 AC SPINDLE MOTOR
FANUC A06B-6050-H003 SERVO DRIVE
FANUC A06B-6058-H005 NSMP
FANUC A06B-6059-H212#H514 UNMP
FANUC A06B-6059-H212#H515 (AS PICTURED) UNMP
FANUC A06B-6064-H302#H550 AC SPINDLE UNIT
FANUC A06B-6064-H303#H550 SERVO AMPLIFIER
FANUC A06B-6066-H233 SERVO AMPLIFIER
FANUC A06B-6076-H106
FANUC A06B-6079-H106#CS NSMP
FANUC A06B-6079-H207 UNMP
FANUC A06B-6089-H106 SERVO AMPLIFIER UNIT
FANUC A06B-6090-H233
FANUC A06B-6096-H116 AC SERVO AMPLIFIER
FANUC A06B-6111-H022 SERVO AMPLIFIER (AS IS)
FANUC A06B-6120-H030 NSNP
FANUC A16B-3200-0600/14D NSNP
FANUC A20B-0009-0530 * NEW NO BOX*
FANUC A97L-0118-0803#6-53.5 NSMP
FANUC A97L-0118-0950#14.7 NSMP
FANUC A97L-0218-0350#160E-89 NSMP
FANUC A97L-0218-0371/320E-201 NSFS
FANUC A97L-0218-0390/320E-129 NSFS
FANUC A97L-0218-0390/320E-185 NSFS
FANUC A97L-0218-0396/100C-36 NSFS
FANUC DC SERVO MOTOR A06B-0642-B005
FIREYE 45RM2-1000 INFRARED SELF-CHECKING
FISHER DVC2000 32.24177SB 3000 PSI NSMP
FISHER-ROSEMOUNT DPR960 492880301 SINGLE STATION MICROCONTROLLER
FLOWSERVE LIMITORQUE L120-10 A-436047 A484MY 135763-001 NSNP
FOCKE S5-MC01
FOCKE S5MC028C (REPAIRED)
FOCKE S5MC064E
FOCKE S5MC064E CONTROL BOARD MODULE
FOXBORO P0960AW CP30 REV. 0H NSNP
FOXBORO P0960KA
FOXBORO P0960KA *NEW NO BOX *
FOXBORO RECORDER 123-FE (AS PICTURED)
FOXJET 2464034 NSMP
From United States
G&L 401-30250
G.E 5BC46AB2291A MOTOR 5000 RPM
GARDNER DENVER G-BH2 2BH20360-1AAPJ6-AA-Z NSNP
GE 36C774353AFG02
GE FANUC 18IT-MCU20032-001R00 UNMP
GE FANUC 20S A06B-0502-B242#7000 AC SERVO MOTOR
GE FANUC A06B-0128-B575#7076
GE FANUC A06B-0315-B274#7008
GE FANUC A06B-0371-B610#7076 NSNP
GE FANUC A06B-0502-B074#7000
GE FANUC A06B-0512-B701#7008 NSMP
GE FANUC A06B-0731-B200#3000 * NEW *
GE FANUC IC600CB526R EXP LOXIC CONTROL MODULE
GE FANUC IC660BBA101K-CA NSFS
GE FANUC IC693APU302S POSITION MODULE
GE FANUC IC693CPU351-FN (NO KEY)
GE FANUC IC697CPM25-CE
GE FANUC IC697CPX782-JD
GEMCO PROGRAMMABLE MODULE 1771-PLSB1
GENERAL ATOMIC ELJ001-0399-1D NSNP
GENERAL ATOMICS 04410860-001 04414501-001 REV. A NSMP
GENERAL ELECTRIC 0485L115G0008 NSNP
GENERAL ELECTRIC 0872D490G0003 NSNP
GENERAL ELECTRIC 125D3225G2 994D128-0 NSNP
GENERAL ELECTRIC 142C2302G1 143D1393G1 NSNP
GENERAL ELECTRIC 369-HI-R-0-0-0 NSNP
GENERAL ELECTRIC 369-HI-R-0-0-0 UNMP
GENERAL ELECTRIC 369-HI-R-B-F-E-H-E (AS PICTURED) NSNP
注:联系我时,请说是在“傲立机床网”上看到的,谢谢!