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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。
20268 APPLIED MATERIALS KIT HDWR. ISO-KF40-NW50 LL/XFER 0242-863584782 TURN-ACT ROTARY ACTUATOR 022-A185
6080 UNIT MFC MULTIFLO 8261 UFC-8261
3882 TDK CORPORATION POWER SUPPLY FAK05-5RO
12774 SMC HIGH VACUUM VALVE XYD-80K-M9PA
12138 FESTO COMPACT CYLINDER, STROKE 10MM, P/N: 156541 ADVU-40-10-P-A
22221 ADVANTEST PCB ASSY, AFG/AFD PC BGQ-023036
18034 MALEMA CHEM FLOW SWITCH 0.8L, AMAT PN: 0090-77332 M-200-T31-013
15930 LAM RESEARCH RF GENERATOR CABLE, 2M 684-013298-003
18392 APPLIED MATERIALS TOP RING SILICON, 200M OXIDE 0200-36697
11580 ALLEN-BRADLEY SLC500 INPUT MODULE 1746-IV16
15742 LAM RESEARCH PCB 24 CH TEMP CTL MB, 810-028296-171 853-049542-171
16297 NOVELLUS TEACH PENDANT TT2301R2-1-NES-NOVELLUS2 27-326390-00
16694 APPLIED MATERIALS FLOW SENSOR C/A, B/D/F POS, CHAMBER HX 0150-00885
2134 APPLIED MATERIALS EDIAGNOSTICS SYS INTERFACE MKS AS00348-02 BLUEBOX 4000X
7906 NOVELLUS GATE, VAT INSERT CASS W/ PERFL 60-10312-00 78510-R1
2202 RVSI NERLITE LIGHT DIFFUSING ILLUMINATOR DOAL-50-LED
4309 BRAND DISPENSETTE III, FIX, 2.0ML, BOTTLE TOP DISPENSER 4700220
20731 ADVANCED MOTION CONTROLS BRUSH TYPE PWM SERVO AMPLIFIER 12A8K
2286 OMEGA STRAIN AND PROCESS METER DP25-E-DC10/32-R
22005 APPLIED MATERIALS SERIPLEX MUX I/O PCB(1) (016H-047H) 0190-35653
14266 THERMO SCIENTIFIC IST STAGE 2ND STAGE COMPRESSOR RFT42C1E-PFZ-382
5243 ASCO RED-HAT II BRASS SOLENOID VALVE, 302373 8210G1
9633 NOR-CAL INTELLISYS IQ SERIES NC TBV-IQA-200-NW-50-S02
10969 MITSUBISHI AC SERVO DRIVER MR-J2-10A
T246 MKS PRESSURE TRANSDUCER, 100 TORR DMB12TCECJNN633
T245 MKS PRESSURE TRANSDUCER, 10 TORR 626A11TBE
12101 KEYENCE DEDICATED PARALLEL I/O CONNECTION CABLE OP-51657
11737 APPLIED MATERIALS CABLE, 24VAC, FRONT SERVICE LAMP 0150-35661
16117 APPLIED MATERIALS BLOCK,TEFLON,CHAMBER LID,GIGA-FILL SACVD 0021-10665
838 OMRON SYSMAC PROGRAMMABLE CONTROLLER C200HG-CPU53
12764 BIOMEDIA MICRO-CENTRIFUGE, 100-240VAC, 50/60HZ, 15W PC-100
1042 PURISYS CO UV LAMP BALLAST UVS-1001
12850 SANYO DENKI STEP-SYN STEPPING MOTOR, 1.5A, 0.72°/STEP 103-7501-80G1
6263 HORIBA-STEC LFC LF-F404M-A-EVD
2436 SCV KITZSCT DIAPHRAGM VALVE TD4CS-GC
10944 APPLIED MATERIALS P-5000 BWCVD WAFER LIFT 0010-10188
21749 ORIENTAL MOTOR VEXTA 2-PHASE STEPPING MOTOR PH266-01GK
11009 APPLIED MATERIALS PVD DUAL SWLL CHMBR 208V LAMP 0190-10174
336 SMC FILTER:AF40-04 x2 SS VALVE:AV4000-04-5DZC AC40-SGF266
21236 LAM RESEARCH MDL CTLR RF MATCH 9400 RFMATCH-003 (REFURB) 685-093578-003
11167 COMPACT AIR PNEUMATIC CYLINDER QJM05-4016-A
10100 APPLIED MATERIALS DC ACTUATOR, SOURCE, SIP + 200MM 0021-14587
11167 COMPACT AIR PNEUMATIC CYLINDER QJM05-4016-A
8325 MAGMOTOR SERVO MOTOR 500260037 C26-F-200X
654 SWAGELOK STAINLESS 3 WAY BALL VALVE SS-44XF4-1466
6168 UNIT MFC METAL SEAL 1660 GF100
10841 BROOKS VACUTRAN 5 MTR5 TRANSFER ROBOT DRIVE, 001-1951-06 001-7600-02
12203 SMC ROTARY ACTUATOR, 190° SWIVEL TABLE EMSQB30A
472 KEYENCE SERVO DRIVE MV-72
14273 THERMO SCIENTIFIC DISPLAY,REFRIGERATOR W/FACE & BEZEL 304863H03
50 MICRO MEMORY PCB, VME MEMORY BOARD, 94871 MM-6326AD
2709 DENSEI-LAMBDA POWER SUPPLY, 24V, 14A JWS300-24
9946 ROFIN OBJEKTIVHALTESATZ SCAN LEN 102106020
11261 VERIFLO HIGH PURITY REGULATOR, P/N: 45800483 SPR861W3P01TS12FSMTS12V
8690 APPLIED MATERIALS ROTARY HDPCVD (0020-41627, 0040-82128) 0020-98112
2455 SEEK ELECTRONICS I/O TERMINAL UNIT AS-8550SX-00
12887 FUJIKIN DIAPHRAGM VALVE, TYPE N.C., O.P. 0.34~0.69MPA 22779
22126 VEXTA 5-PHASE STEPPING MOTOR PK543AW-A44
745 SIEMENS DIGITAL OUTPUT MODULE SIMATIC S5 6ES5 440-8MA21
21735 ELECTROCRAFT TORQUEPOWER STEPPING MTR W/ BALL TPP23-90-002
21971 TOKYO ELECTRON DAMPER HANDLE EXH. CT2910-400798-11
12833 NOVELLUS CNTRL HDSIOC 0 C3SPD CONCEPT 3 SPEED FIRMWARE 4.72 02-280596-00
7641 KNIEL POWER SUPPLY CPU 5.2/VME (4022.430.14691) 310-023-02
6102 APPLIED MATERIALS MFC FC-DN780CPBA MASS FLOW CONTROLLER 3030-13113
9047 MKS PORTABLE BARATRON TRANSFER STANDARD (690A11TRA) PBTS1A11FA2
2997 METTLER TOLEDO HAUG POWER SUPPLY, 01.7906.005
B64 DRESSLER RF AUTO MATCHING, C-GUN M12 SWITCH CAP (102139962) VM1500W-CG
9944 ROFIN PRUFPROTOKOLL SHUTTER RESONATOR-EXTERN 1064NM P-101102381
5865 NOVELLUS WAFER CENTERING ASSY 02-165975-00
12065 TOKYO ELECTRON PCB ASSY FOR TS-4000Z-16 CTRL UNIT,1181-000572-19 MC-31151S
22049 APPLIED MATERIALS AC SERVO MTR BL SUPER P3 P30B04010DXS8FM 0195-00340
10169 GRANVILLE-PHILLIPS MICRO-ION PLUS GAUGE 356008-YG-T
13656 APPLIED MATERIALS HARNESS ASSEMBLY, INTERLOCK END PT DET 0140-02113
834 TYLAN GENERAL CONTROLLER, 715-180133-001 AC211A
2589 SEEK ELECTRONICS I/O TERMINAL UNIT AS-8550SX-01
21006 APPLIED MATERIALS CABLE ASSY PLATEN 4 MTR PWR REFLEXIO 0150-42155
5098 WEINTEK LABS TOUCH SCREEN PANEL MT506SV2
14856 APPLIED MATERIALS CYL AIR 1 1/8BOREZ1-1/4 STRK 3020-01093
15675 APPLIED MATERIALS O RING,14.764 ID X .275 VITON 75 DURO 0020-35712
13102 PALL ULTRAMET-L4000 FILTER ASSY, 3000 PSIG, ?" GASKET SEAL GLFF4000VM4
18814 NOVELLUS CABLE ASSY, MFC N J8, MFC N, 1.5M 03-427261-22
11672 APPLIED MATERIALS CFA BULGIN PSU OUTPUT,CABLE, 0240-97051 0150-95170
11284 MAXON MOTOR DC MOTOR W/ GEARHEAD & ENCODER, HEDS-5540 47.022.022-00.09-315
13943 ADVANCED ENERGY PE II 10K POWER SUPPLY 3157600-003
20748 JASCO PCB, POWER CONT, P/N: 6586-A510A 6586-60EIA
9505 MKS PNEUMATIC SOLENOID VALVE 100938941
4231 SMC 5-SLOT SOLENOID MANIFOLD BLOCK, VJ514MY VJ5343Y
22432 SPTS TAPPEX INSERT M6X12 266817
10576 WATLOW TEMPERATURE CONTROLLER 146E-1601-3000
1550 TEVITRONIX SEMITOOL CONTROLLER 100-30001, 27-278337-03 LC24
23289 KEYENCE DUAL DIGITAL FIBER SENSOR W/ INSTRUCTION MANUAL FS-V22R
16201 APPLIED MATERIALS CHAMBER BODY, ETCH, OXIDE, SIDE GAS FEED 0040-31942
19550 LEICA LFS AUTO FOCUS MODULE 020-650.070
752 SIEMENS POWER SUPPLY 6ES5951-7LD12
1129 FINNIGAN MAT PCB BOARD 103339
19549 OEM SPINDLER W/ BEARING 204812
20926 APPLIED MATERIALS CABLE ASSY XFR 2 PR GAUGE PRODUC 0150-42517
20967 APPLIED MATERIALS CABLE ASSY, P65 - MF PNEU, PRODUCER 0150-33207
19958 ASYST PCB ASSY, PORT LOCK, SMIF 3200-1021-01
20814 OEM PCB, LED DISPLAY 21512DES10244C2
20753 OEM PCB ASSY EE1041-381-16A
21113 LAM RESEARCH CABLE ASSY, 1.1M 833-078451-709
20313 NOVELLUS SPACER, ANODE CHAMBER, .300 15-263559-02
20299 APPLIED MATERIALS BLOCK, CHAMBER INTERFACE MOUNTING 0020-29801
20608 ESCAP DC SERVO MOTOR, HN.08.01 P310.170.50
20762 OPTIMISED CONTROL PCB ASSY, D576 KCL2871
4941 BALZERS PKR 251 COMPACT FULL RANGE GAUGE, FL-9496 BALZERS BGG26000
22444 TOKYO ELECTRON ANGLE VACUUM VALVE, CKD AVB41V-X0004 1D80-004537-11
22188 KITZ SCT PNEU V/V (IGS) JUSUNG P11104128 TD4CB-GC-1003-FA-SEP-316LE
7259 HOKUYO AUTOMATIC OPTICAL DATA TRANSMISSION DEVICE DMG-HB1
1243 TOKYO ELECTRONIC INDUSTRY CCD COLOR CAMERA CSU9001 CS9301
15249 TOKYO ELECTRON PCB, PROCESSOR BOARD, TAB113-1/I01-LF 2L81-050032-16
21799 SAIA-BURGESS STEPPER ROTARY MOTOR UFD13N01RAZ21
622 RIKEN KEIKI GAS MONITOR, RKP-62069 GP-583
11139 ANELVA VALVE, V SERIES, TYPE-L V-040LV-MMI
20571 GEN PCB ASSY 3420500300
2411 TEKTRONIX TEK PASSIVE OSCILLOSCOPE PROBE P6136
6127 UNIT MFC DIGITAL ULTRACLEAN METAL SEAL UFC-8161
19162 APPLIED MATERIALS ASP CAP FLANGE 0021-10851
13823 THERMO ELEMENTAL RF PCB, 122930-6 12293100
15055 APPLIED MATERIALS MANIFOLD WATER PL 0020-10135
注：联系我时，请说是在“傲立机床网”上看到的，谢谢！
