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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。
14802 APPLIED MATERIALS PLATE, ISOLATOR MOUNT 0020-3846214748 APPLIED MATERIALS BLANK SLIT VALVE 0020-20558
2259 LAM RESEARCH CABLE ASSY 853-370174-020
3170 APPLIED MATERIALS POSTS, ADO ALIGNMENT 0020-45474
18435 OBJET GEOMETRIES PCB, BUMPER BOARD BRD-02005
18433 OBJET GEOMETRIES PCB ASSY BRD-00027
18434 NJRC PCB, PWB ENC-SENS HEDR-8100
19630 CASCADE MICROTECH IMPEDANCE STANDARD SUBSTRATE 114-456
14401 APPLIED MATERIALS ADAPTER PLATE 0041-26699
16903 APPLIED MATERIALS HOSE ASSY, SUPPLY 0050-06053
364 APPLIED MATERIALS BRACKET ISSG XE 0020-46165
17430 DIONEX PCB, SCR-PS 045236-03
4721 YASKAWA AC SERVO MOTOR, 200V 750W 5.4A SGMAS-08ACA21
T266 MKS BARATRON PR TRANSD, 1000 TORR, P/N: 311750-001 850B-23172
4580 THK STAINLESS STEEL SLIDER WITH GUIDE BLOCK SRS15WGMUU+270LM
7113 OEM GATE VALVE SLIT ASSY 11F2
4853 SANYO DENKI STEP-SYN STEPPING MOTOR 0.75A 0.45°/STEP 103-7555-7043
4022 LAM RESEARCH ESC POWER SUPPLY CONTROL BOX 853-250758-001-1-221
3453 THOMAS PRODUCTS MODEL 1800 FLOW SWITCH, FLOW RATE 0.5 GPM 42549
12053 WITTENSTEIN ROBOTIC SERVO MTR,6200RPM,320V MMSI 070G-060E-320C-1FNO-T2701
22064 KOLLMORGEN POWERMAX II BIPOLAR SERIES 1.8° STEP M21NRXB-LSN-NS-04
12157 FESTO VACUUM GENERATOR, P/N: 162530 VADMI-140-P
8504 HP VOLTAGE SOURCE / VOLTAGE MONITOR UNIT 41424A
21772 BERGER LAHR STEPPER MOTOR B511138 W/ GEARHEAD ASSY RDM 545/100
11394 PANASONIC AC SERVO DRIVER, 200W MADDT1207006
2318 KEYENCE DIGITAL OPTICAL FIBER AMPLIFIER, EX-500 SERIES EX-502
21108 LAM RESEARCH CABLE ASSY, 1.4M 853-234816-600
20756 THERMO PCB, DISPLAY BOARD SP/HP CIC0000550
20779 YOKOGAWA PCB, CPU BOARD ASSY (PEN) B9900
21086 APPLIED MATERIALS CABLE ASSY, 15CM 0150-27602
20793 AT&S PCB ASSY, MVL/A 27967G
20747 ISUZU SEISAKUSHO PCB ASSY MDL60-01-1
21294 APPLIED MATERIALS WOODHEAD CONNECTIVITY DEVICENET DNTA14114A1
21692 FAULHABER MOTOREN MOTOR 22B 21:1 2233V024S
5813 APPLIED MATERIALS HONEYCOMB COLLIMATOR, 1/2" HEX: 1,8 INCH 0020-23811
21715 SCHNEIDER ELECTRIC BERGER LAHR STEPPING MOTOR RDM37/6 G A1
18029 APPLIED MATERIALS MTR BRK ENCODER ASSY 29POS 0090-75011
3923 BANNER TWO-HAND CONTROL DEVICE 18-24VDC 4.5VA ATDR6
1804 UNICORN REGULATED DC POWER SUPPLY 30V 20A UP-3020
4853 SANYO DENKI STEP-SYN STEPPING MOTOR 0.75A 0.45°/STEP 103-7555-7043
9611 HP PCB AGILENT PIN BOARD (A-3821) E3120-66561
4022 LAM RESEARCH ESC POWER SUPPLY CONTROL BOX 853-250758-001-1-221
3453 THOMAS PRODUCTS MODEL 1800 FLOW SWITCH, FLOW RATE 0.5 GPM 42549
12053 WITTENSTEIN ROBOTIC SERVO MTR,6200RPM,320V MMSI 070G-060E-320C-1FNO-T2701
22064 KOLLMORGEN POWERMAX II BIPOLAR SERIES 1.8° STEP M21NRXB-LSN-NS-04
12157 FESTO VACUUM GENERATOR, P/N: 162530 VADMI-140-P
21772 BERGER LAHR STEPPER MOTOR B511138
3736 PI DIGITAL PIEZO CONTROLLER E710K038X E-710K038
2318 KEYENCE DIGITAL OPTICAL FIBER AMPLIFIER, EX-500 SERIES EX-502
21108 LAM RESEARCH CABLE ASSY, 1.4M 853-234816-600
20756 THERMO PCB, DISPLAY BOARD SP/HP CIC0000550
20779 YOKOGAWA PCB, CPU BOARD ASSY (PEN) B9900 XB
21086 APPLIED MATERIALS CABLE ASSY, 15CM 0150-27602
20793 AT&S PCB ASSY, MVL/A 27967G
20747 ISUZU SEISAKUSHO PCB ASSY MDL60-01-1
21294 APPLIED MATERIALS WOODHEAD CONNECTIVITY DEVICENET DNTA14114A1
21692 FAULHABER MOTOREN MOTOR 22B 21:1 2233V024S
1231 VERIFLO PRESSURE REGULATOR 43800806 SQ6050W2PFSMM
3694 DIGITAL DYNAMICS SIOC POWER SUPPLY 27-053660-00
21715 SCHNEIDER ELECTRIC BERGER LAHR STEPPING MOTOR RDM37/6 G A1
18029 APPLIED MATERIALS MTR BRK ENCODER ASSY 29POS 0090-75011
3923 BANNER TWO-HAND CONTROL DEVICE 18-24VDC 4.5VA ATDR6
11893 ALLEN BRADLEY GUARDMASTER SAFETY RELAY, P/N: 440R-N23132 MSR127TP
20567 AUTOMOTION PCB ASSY, AUTODRIVE 320040
20344 SEMITOOL PCB ASSY, CIRCUIT BOARD 16800
439 NEMIC-LAMBDA SWITCHING POWER SUPPLY JWS100-24
8944 MYKROLIS IMPACT 2 V2 MG-PC 0.5 um OF S4418M004Y09
4126 SAMSUNG COLOUR DIGITAL CAMERA, 230VAC, 50HZ, 4.5W SDC-4304PF
1544 ENDO COMPACT LIGHTWEIGHT TOOL BALANCER, 9601 EK-0
5949 OEM SWAPPER 0053800-000
7188 APPLIED MATERIALS WAFER LIFT 5000 CVD W/O 0100-09086 0010-09341
11944 TOKYO ELECTRON PCB, OPE-PANE SW BOARD 881-621010-1
12048 FESTO SHOCK ABSORBER, P/N: 548074 DYSW-10-17-Y1F
10368 APPLIED MATERIALS KIT, COMMON CENTURA PER CHMBR OTB CTN 0240-13112
1334 NIKON STAGE REMOTE CONTROLLER ISS200
14062 ASML PCB, MODULE CARD SVG 4022.471.7370
9613 MKS ANGLE VACUUM VALVE, MANUAL OPERATED CV25-K2K2-MKVV
4663 SMC BASED MOUNTED SOLENOID VALVE SUP. 0-1.0 MPA VQ2100NRY-5C-Q
10079 INFICON PIRANI GAUGE SENSOR (I) 353-532
5730 NOTIFIER LCD ANNUNCIATOR FIRE ALARM LCD-80
22416 SCREEN SEMICONDUCTOR SOLUTIONS PCB BD INPUT 73933743
10576 WATLOW TEMPERATURE CONTROLLER 146E-1601-3000
9950 ROFIN OBJEKTIVHALTESATZ; F'-160; RS.S07/10/14 (101103952) 102106020
21694 YASKAWA ELE RM SERIES MINERTIA MTR W/ ENCODER UTOPI-200SE
18358 ADIXEN TURBOMOLECULAR PUMP CONTROLLER ACT 100
10481 EUTECH INSTRUMENTS WATERPROOF PORTABLE METER CD650
6011 AERA MFC FC-PA781C FC-PA7810C
9944 ROFIN PRUFPROTOKOLL SHUTTER RESONATOR-EXTERN 1064NM P-101102381
20801 YOKOGAWA PCB ASSY B9900/YX
1394 IWAKI BELLOWS PUMP SBU-3T-ME4
1231 VERIFLO PRESSURE REGULATOR 43800806 SQ6050W2PFSMM
17656 ADVANTEST PCB ASSY BGG-012785
16932 APPLIED MATERIALS CABLE ASSEMBLY EMO INTERCONNECT 55 FT 0150-35577
10153 PALL EMFLON FILTER CARTRIDGE AB1F0012EH1
9324 HEIDOLPH OVERHEAD STIRRER (501-11000-00-1) (501.11000.00.1) RZR1
2412 HEIDENHAIN INTERPOLATION DIGITIZING BOX EXE 650B X25/8 263 380 08
20396 INTEL PCB, PENTIUM III 500 MHZ SERVER PROCESSOR PB 731069-001
12437 ADVANCED ENERGY RF GENERATOR, P/N: 3156024-131 PDX 900-2V
12852 NOVELLUS SYSTEM CONTROLLER, P166/64, 24V 02-127707-00
424 FINE SUNTRONIX POWER SUPPLY VSF150-24
787 EMERSON DIAPHRAGM PUMP, 608954 K48ZZEDW3341
R12 OMRON COMMUNICATION MODULE DRT1-232C2
9432 REIS ROBOTICS SERVOSTARKER, ID: 3520784 DRIVE 4009
6022 AERA MFC FC-D980
20708 KOYO KOSTAC CPU MODULE UNIT SA-22
4469 APPLIED MATERIALS FLTR GAS MINI WAFERGARD SL 4020-00076
12759 BOECO MAGNETIC STIRRER WITH HOT PLATE MSH-420
17779 APPLIED MATERIALS CABLE ASSY, 3M 0620-02187
18222 APPLIED MATERIALS SHOULDER MOTOR ASSEMBLY, ROBOT 0090-01474
20034 LAM RESEARCH VERIFLO VALVE ASSY 839-220913-100
20035 LAM RESEARCH VERIFLO VALVE ASSY 839-220912-100
9686 APPLIED MATERIALS PCB ASSY LI/APC MATRIX 0100-09293
20789 MDA PCB, POWER SUPPLY DUAL OUTPUT BD 872234
11732 APPLIED MATERIALS CABLE ASSY, SECOND SERIPLEX TO PLC 0150-04470
10576 WATLOW TEMPERATURE CONTROLLER 146E-1601-3000
3645 MITSUBISHI MELSEC PROGRAMMABLE CONTROLLER FX-128MR-ES/UL
17349 SHIBASOKU PCB, REF D/A, P150950B-2, 1K4PT21A1002 S150950B-2/6A
4621 YASKAWA AC SERVO MOTOR WITH AC ACTUATOR RKS-20-100-02-SP SGM-02AW14S
679 ION SYSTEMS BLOWER IONIZING BLOWER 6420
21848 SANYO DENKI AC SERVO MTR BL SUPER P3 W/ GEARHEAD P30B04010DXS1CM
13645 APPLIED MATERIALS CABLE ASSY LAMP MODULE 0150-09840
13997 YASKAWA AC SERVO MOTOR SGMPH-04AAE-YA12
7350 MDA CI SYSTEMS, NTM3 CONTROLLER, 479-535-1512 1200
3828 ASYST PRE-ALIGNER MODEL 5X 15534-001
2330 ASAHI KEIKI INDICATOR AM-213-13-11
16136 APPLIED MATERIALS ASSY A.L.L.MTR LEFT VEXTA 0010-76430
4941 BALZERS PKR 251 COMPACT FULL RANGE GAUGE, FL-9496 BALZERS BGG26000
9034 SHINKO DIRECTLY TEMPERATURE CONTROLLER JCL-33A-R/M
3034 VEXTA AC SERVO DRIVER B1836-07150AIP
572 ION SYSTEMS NILSTAT CONTROLLER 5024(E)
439 NEMIC-LAMBDA SWITCHING POWER SUPPLY JWS100-24
21225 DELTA TAU PMAC VME BD,602199-104,602705-107,602200-103 (REFURB) 602199-504
142 HIRATA LINEAR ACTUATOR SLIDE 1001262908/10/7/Z
11150 GRANVILLE-PHILLIPS UHV-Y STABIL-ION ION GAUGE 360121
21712 MITSUBISHI AC SERVO MOTOR HF-KP13L
21840 PANASONIC AC SERVO MOTOR MSMA012C1B
21767 PANASONIC AC SERVO MOTOR MQMA012A5F
21768 PANASONIC AC SERVO MOTOR MQMA012A4F
11752 FUJIKIN DIAPHRAGM VALVE, TYPE N.O, 936585 23729
20950 APPLIED MATERIALS CABLE ASSY 0150-46753
20800 SEMPREX CORPORATION PCB, JUNCTION BOARD 103354
7538 BROOKS AUTOMATION LH VCE6 ARM ASSY LAM PN:799-900842-001 001-9060-16
654 SWAGELOK STAINLESS 3 WAY BALL VALVE SS-44XF4-1466
6087 STEC LFC LF-310A LIQUID MASS FLOW METER LF-310A-EVD
4087 IDEC POWER SUPPLY PS3L-C24AF
6415 BRONKHORST MFC HIGH TECH EL-FLOW METER CONTROLLER F-201C-GAC-88-V
842 KOKUSAI ELECTRIC ALPHA 4-WAVE ULTRASONIC GENERATOR U0600FXI
7573 APPLIED MATERIALS COVER MECHANISM GUARD ASSY 0010-70017
20337 COHERENT PCB, DSP-00B.PCB BOARD 0214-648-00
20267 APPLIED MATERIALS PIN,LIFT (QUARTZ), MOD II 0200-35486
20276 APPLIED MATERIALS HARNESS ASSY PVD SHUTTER SENSORS 0140-20694
20604 APPLIED MATERIALS PLATE,LOWER MOTOR,ROBOT EXTENSION 0020-18462
5609 APPLIED MATERIALS REGULATOR FLOW 1.0LPM W/PRESS GAUGE NH3 DETECT 3800-01117
7347 SVG THERMCO SYSTEMS PCB WTU MOTION CONTROL I/F 606180-01
6017 AERA MFC FC-780CHT
23282 BALLUFF MAGNETIC FIELD SENSOR, BMF00AR, P/N: 211816 BMF 235K-PS-C-2A-PU-02
20243 APPLIED MATERIALS WELDMENT DUAL HE MANF SACVD 0050-10076
注：联系我时，请说是在“傲立机床网”上看到的，谢谢！
