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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
JORDAN 501 NSMPJOSLYN CLARK 74UI4 NSNP
JOSLYN CLARK 74UI4 UNMP
JOSLYN CLARK MVC77U032A25-26 VACUUM CONTACTOR
KAHN 75-2538-1 UNMP
KAWASAKI 50601-1227
KAWASAKI 50607-1273 NSNP
KAWASKI 6CC201G-3DPAE-KJ1
KAWASKI 8MC562D-3CRAE-KJIB UNMP
KEPCO BOP20-20M BIPOLAR OPERATIONAL POWER SUPPLY AMPLIFIER
KEYENCE LK-G152 NSMP
KEYENCE LK-G3001PV
KEYENCE LS-5041 NSMP
KEYENCE SZ-16V NSNP
KEYENCE XG-7002
KOLLMORGEN B-604-C-31-B3 SERVO MOTOR
KOLLMORGEN BDS4A-103J-0019-104A30 SERVO DRIVE
KOLLMORGEN SEIDEL 60WKS-CE240/3P0 SERVO DRIVE
KOLLMORGEN TTRB-4205-3045-A-02-3 (AS PICTURED) UNMP
KOOLTRONIC K2A4C2RP17R NSNP
LENZE E82EV153-4B201 13129096 NSNP
LENZE EVF9327-CVV003 FREQUENCY INVERTER
LENZE EVS9322-ES NSMP
LIQUID CONTROLS M-5-3 w/ VEEDER ROOT 0788700-062 METER REGISTER *
MAGNETEK GPD506V-B041 AC DRIVE
MAGNETROL XBI5-1H3B-BBM NSMP
MAJORPOWER MAJOR1000-250 UNMP
MANAGE INCORPORATED FOM-232A UNMP
MARKEM 001B95-271B9E UNMP
MARKEM IMAJE 9840 INK ROLL PRINTER
MARKEM IMAJE ENR0829033 NSMP
MARKEM ME3509-177E TOUCH DRY CODER
MARPOSS 3414023051 MEASURE DEVICE
MARPOSS 81696AH8EA
MARSH 29750 INK PRINTHEAD * NEW IN FACTORY BAG *
MATSUSHITA A61L-0001-0074 NSNP
MAURER KTRD1105-1 NSMP
McCROMETER VS02-36 *
MEASUREX 05367600-DAS1128-12D15.200 PC BOARD
MEASUREX 05367600-DAS1128-AFC5-12D15F REV.F PC BOARD
MEASUREX 05367600-MP6812A-AFC5-1D15E REV.F PC BOARD
MEASUREX 05367600-MP6812A-AFC5-1D15F PC BOARD
METTLER TOLEDO 51109017 TERMINAL DISPLAY
MICRO MOTION 1700C12ABAEZZZ NSNP
MICRO MOTION 7828ACABACLDBX NSMP
MICRO MOTION DS012S109SU
MICRO MOTION R100SI138M 1FT9703IC3W1M NSNP
MICRO MOTION RFT9739E4SUJEZ TRANSMITTER
MICROMOTION CMF050M313NB MASS FLOW SENSOR *
MICROSCAN FIS-0880-0100
MICROSCAN FIS-0890-0102G *
MITSUBISHI E1070 NSFS
MITSUBISHI ELECTRIC GU-D08 80173-109-01 *
MITSUBISHI FR-A840-1.5K-1 NSMP
MITSUBISHI FR-Z240-2.2K-UL *
MITSUBISHI FR-Z240-2.2K-UL NSMP
MITSUBISHI HA200CB NSMP
MITSUBISHI HC-LP152B NSMP
MITSUBISHI MDS-C1-SP-75 SPINDLE DRIVE UNIT
MITSUBISHI MDS-C1-V1-45S SPINDLE DRIVE UNIT
MITSUBISHI MDS-C1-V2-3510S SERVO DRIVE UNIT
MITSUBISHI MDS-C1-V2-7035 SERVO DRIVE UNIT
MITSUBISHI MDS-C1-V2-7045 SERVO DRIVE UNIT (REPAIRED)
MITSUBISHI MDS-C1-V2-7045 SERVO DRIVE UNIT
MITSUBISHI MDS-C1-V2-7045 SERVO DRIVE UNIT *
MITSUBISHI MDS-C1-V2-7070 SERVO DRIVE UNIT (REMANUFACTURED)
MITSUBISHI MDS-C1-V2-7070S SERVO DRIVE UNIT
MITSUBISHI MDS-D-V2-8040 SERVO DRIVE
MITSUBISHI MR-S11-200-N NSNP
MITSUBISHI MR-S1-300-E01 VER. B UNMP
MITSUBISHI Q26UDVCPU UNIT
MODICON AS-9370-001 PROGRAMABLE CONTROLLER 115/220V *
MOOG D633-313B NSMP
MOOG D656-428 CONTROL VALVE
NABTESCO RV-120C-36.75 NSMP
NABTESCO RV-320E-171 HW9381144-A NSMP
NABTESCO RV-320E-185 HW9381143-A NSMP
NABTESCO RV-80E-81 NSMP
NACHI RFX1140TLC NSMP
NACHI RIX4410 (AS PICTURED) NSNP
NACHI RTP153-15 UNMP
NATIONAL INSTRUMENTS MODULE PXI-4472B
NEPTUNE 565-D-N3 NSNP
New (Other)
NEXEN 811100 NSNP
NORD 3282AFB-N14OTC-145TC *
NORDSON 148296A METER PUMP
NORDSON 224385 (AS PICTURED) NSNP
NTN S20 (AS PICTURED) NSNP
OMNIGUARD 652-10101 NSNP
OMRON F160-C15E-2 NSMP
OMRON F3SJ-A1055P14 NSMP
OMRON FH-SM02 NSMP
OMRON NT600S-ST211B-EV3 INTERACTIVE DISPLAY MODULE
OMRON R88D-RA10 NSNP
OMRON R88M-W3K030T-S2 *
PACIFIC SCIENTFIC PC834-001-T NSNP
PARKER 024-33700-000 T6CC0280051R**C111 NSFS
PARKER 4000-C MOTION CONTROLLER W/O TOUCH PANEL
PARKER 40J2220/24X330MMBM 120PSI NSMP
PARKER 6K2 SERVO CONTROLLER
PARKER 890CD/5/0024C/N/00/A/US AC CONTROLLER
PARKER D1FHE80DCNBJ0030 24VDC NSMP
PARKER D3FXE01MCNBJ0030 HYDRAULIC VALVE *
PARKER RA90-020-LB NSNP
PARKER TS8010/00/02 NSMP
PARKER TS8010/00/02 NSNP
PARTLOW 9444000000032 NSMP
PARVEX MC24PA8208-Z SERVO MOTOR *
PEEK DCT6088 POLYSONICS ULTRASONIC FLOW METER *
PENTAIR G280426G050 NSMP
PIAB MLL800 VACUUM PUMP 31.01.058U
PILZ PSS3056 NSNP
PORTERSVILLE 4XN-24 NSNP
POWERTEC C0152.S4CH143 DC MOTOR SPEED CONTROLLER
PRAZISA VP90451B
PRO-FACE GP2300-TC41-24V NSMP
PRO-FACE GP2600-TC11 3180021-02 NSNP
PRO-FACE GP470-EG11 TOUCH PANEL *
PROSOFT MVI56 MVI56-GSC COMM. MODULE DATE: 2005
PROSOFT MVI56-MCM F/W: 1.03 NSMP
QC 01-20-02644 THETA DRIVE * NEW IN ORIGINAL PACKAGE *
RACINE 602002 UNMP
RALSTON INSTRUMENTS NPAK-0000 NSNP
RARITAN DKX3-216 NSMP
REIS ROBOTICS 2140350 PHG10 (NO KEY) NSMP
REIS ROBOTICS 2140350 PHG10 NSFS
REIS ROBOTICS 2140350 PHG10 NSMP
RELIANCE 51378 25 086466058R
RELIANCE ELECTRIC 0-415712-0 REMAN
RELIANCE ELECTRIC 15V4160 AC DRIVE
RELIANCE ELECTRIC 2SR51200 (M3452-C6B0) UNMP
RELIANCE ELECTRIC 86466-74RB UNMP
RELIANCE ELECTRIC GV3000/SE 30V4160 UNMP
RELIANCE ELECTRIC HR2000/BLA-16-1 REMAN
REXROTH 0811404753 10/24V NSNP
REXROTH 4WRZ25W325-50/6A24 HYDRAULIC VALVE *
REXROTH 4WRZE25EA325-70/6EG24N9ETK31/A1M UNMP
REXROTH BTV20-3CA-28B-45C-D-FW UNMP
REXROTH HCS03.1E-W0100-A-05 UNMP
REXROTH INDRAMAT DDS02.1-W100-DS01-02-FW w/ FWA-DIAX02-S11-01VRS
REXROTH INDRAMAT HDS03.2-W100N SERVO CONTROLLER *RECONDITIONED*
REXROTH INDRAMAT MAC090A-0-RD-4-C/110-A-0/WI520LV/S001 UNMP
REXROTH INDRAMAT MAC090A-0-ZD-4-C/110-A-1/WI524LV-S001 UNMP
REXROTH INDRAMAT MHD112B-024-PPO-AN
REXROTH INDRAMAT RD51.1-4N-015-L-NN-FW-CFG-RD500-NN-NN SERVO DRIVE
REXROTH MAC090C-1-GD-4-C/110-A-1/WI542LX/S005 R911231898 UNMP
REXROTH MAC093B-0-ES-4-C/110-B-2/WI634LX R911237596 UNMP
REXROTH MKD071B-061-KG0-KN SERVO MOTOR
REXROTH MSK071D-0300-NN-M1-UNN04 R911333464 NSMP
REXROTH MSK071E-0300-NN-M2-UG1-RNNN SERVO MOTOR
REXROTH MSK071E-0300-NN-S2-UG0-RNNN R911310501 REMAN
REXROTH MSK071E-0300-NN-S2-UG1-RNNN SERVO MOTOR
REXROTH MSK100A-0200-NN-M2-AG0-RNNN R911326059 REMAN
REXROTH R902500093 UNMP
RITTAL 3305510 NSMP
ROBO CYLINDER RCS-SMR-I-100-H-600-M NSNP
ROLLWAY 03549063C NSNP
ROSEMOUNT 1154SH9RA NSMP
ROSEMOUNT 3051CA4A02A1AH2B1K5C3
ROSEMOUNT 3051CG4A02A1AH2E5B3 PRESSURE TRANSMITTER *
ROSEMOUNT 3051CG4A02A1AH2K5B1
ROSEMOUNT 3051S2CD4A2A12A1AB7M5L4 NSMP
ROSEMOUNT 3051S2LD2AA1A1020DFF71DA00M5 NSNP
ROSEMOUNT 3051SAL1CD3AA1A1030HFF71DB00DA2K5L1M5 TRANSMITTER
ROSEMOUNT 3095MA23ABA17AA110DBQ4 800PSI NSMP
ROSEMOUNT 3095MFAG080DSHPS2T100T31CA1A FLOW METER *
ROSEMOUNT 8705THA005P1W0N0B3 8732CT03N0N4 UNMP
ROSEMOUNT 8705TSA040C1W0E5
ROSEMOUNT 8711TTA010R1F0135N5 MAGNETIC FLOW TUBE *
ROSEMOUNT 8800DW040SA1N1D1E5 UNMP
ROSSI MOTORIDUTTORI HF71B4B5 (AS PICTURED) UNMP
ROTORK PROCESS CONTROLS SM-1020-D-1-0.7/350-90 DEG *
SANYO DENKI 67ZA050AJB3SH1 SERVO AMPLIFIER
SANYO DENKI P60B13150HBVAB NSMP
SANYO DENKI P60B13200LCPUD NSMP
注:联系我时,请说是在“傲立机床网”上看到的,谢谢!