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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。
CARLYLE 06DM3136CC3650 NSNPCARLYLE 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
GENERAL ELECTRIC 369-HI-R-M-0-0-0 REMAN
GENERAL ELECTRIC 3S7700VB100A1 VIBRTION DETECTOR
GENERAL ELECTRIC 44A294568-G06 UNMP
GENERAL ELECTRIC 531X305NTBAPG1
GENERAL ELECTRIC 531X307LTBAJG1 w/ 336A3471APG01
GENERAL ELECTRIC 7VTBS060CD01
GENERAL ELECTRIC 994D128-0 NSMP
GENERAL ELECTRIC 994D129G2 994D128-0 NSNP
GENERAL ELECTRIC 994D129G4 994D128-0 NSNP
GENERAL ELECTRIC 994D129G5 994D128-0 NSNP
GENERAL ELECTRIC 996D963G1 996D962-A NSNP
GENERAL ELECTRIC A208LSIGM TRIP UNIT
GENERAL ELECTRIC CHC12A28A 12CHC12A28A RELAY (AS PICTURED)
GENERAL ELECTRIC DS200DTBAG1AAA
GENERAL ELECTRIC DS200EXPSG1A NSMP
GENERAL ELECTRIC DS200IIBDG1AEA NSMP
GENERAL ELECTRIC DS215SLCCG2AZZ01B NSMP
GENERAL ELECTRIC DS3800HFXA1F1D DRIVE BOARD
GENERAL ELECTRIC DS3800HLND1C1C CONTROL MODULE
GENERAL ELECTRIC DS3800HPTK1H1K (6BA11) NSMP
GENERAL ELECTRIC DS3800NPSL1A1A RTD POWER SUPPLY BOARD
GENERAL ELECTRIC DS3800NPZA1F1C
GENERAL ELECTRIC DS3810VRSA1A1A NSMP
GENERAL ELECTRIC DS3815PFZA1F1A BOARD DS3800HFXB1K1F
GENERAL ELECTRIC DS3815PFZA1F1A BOARD DS3800HFXB1P1H
GENERAL ELECTRIC IC3603A177AD5 NSNP
GENERAL ELECTRIC IC3603A177BB5 NSNP
GENERAL ELECTRIC IC3605E018NP180FGAY
GENERAL ELECTRIC IC754VGI12CTD-KJ NSMP
GENERAL ELECTRIC IC754VSI12CTD-KJ NSMP
GENERAL ELECTRIC TH3363SS NSMP
GENERAL ELECTRIC TJC36400G 400A 600VAC NSMP
GENERAL ELECTRIC TPVVF6620 UNMP
GENERAL ELECTRIC TPYY6620E1 POWER BREAK
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GIDDINGS & LEWIS 840-21252-01 NSNP
GROVE GEAR R8379023.00
GTR G3FM-22-80-T010A MOTOR RATIO: 1:80 KW: 0.10 (REPAIRED)
GTR G3FM-28-80-T040AXBG3-K102 NSNP
H.A.L.M CETISPV-XF2-P NSNP
H.A.L.M CETISPV-XF2-RZ REMAN
HACH 511/E00/W1C0P000 NSMP
HARLAND SIMON H4893P4050 PLC INTELLA 300
HEATFLEX LHX-1-06-XX-A01-P538 NSNP
HEIDENHAIN 348226-25 NSNP
HEIDENHAIN SGDK 150 20619901 CONTROLLER
HIMMEL LPG1 NSNP
HOKUYO AUTOMATIC KAD-300 CLOSE CRANE WARNING DEVICE
HOMAG GROUP 16F5CBE-YA00 NSNP
HONEYWELL 620-0073C
HONEYWELL CC-PAOH01
HONEYWELL D25-UUU00000-00000000-000-0-0000-00-E (AS PICTURED) UNMP
HONEYWELL D25-UUU00000-00000000-000-0-0000-00-E UNMP
HYDE PARK MC383B NSNP
IAI ECON-I-200-1-P E-CON
INDRAMAT DDC01.2-N200A-DL11-01-FW SERVO COMPACT CONTROLLER
INDRAMAT KDS 1.3-150-300-W1 AC SERVO CONTROLLER
INDRAMAT MAC071A-0-ES-3-C/095-B-0/S001 SERVO MOTOR
INDRAMAT MAC090C-0-KD-4-C/110-A-0/WI524LV/S001 UNMP
INDRAMAT MDD065C-N-040-N2L-095PB0
INDRAMAT MDD071C-N-040-N2T-095GA0 PERMANENT MAGNET MOTOR
注:联系我时,请说是在“傲立机床网”上看到的,谢谢!