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集散控制系統(Distributed Control System-DCS)集計算機技術、控制技術、通信技術、CRT技術于一體,廣泛應用于生產過程控制系統。隨著計算機和網絡技術的飛速發展,產生了一種新型的控制系統———現場總線控制系統(Fieldbus Control System-FCS)。但國內生產企業的情況是:大多數企業還處于模擬儀表和人工控制的階段,采用DCS控制系統的企業仍是少數。由于DCS應用廣泛、技術成熟,在現有的技術條件和市場條件下,FCS還不能完全取代DCS,而且目前現場總線設備和系統還十分昂貴。因此,除了新建企業外,國內企業在較長時間不可能全面采用現場總線技術,而必須走逐步發展、過渡的道路。 ??我們在上海石化股份公司環保部水質凈化廠監控系統的改造項目中,對3個生產單元已有的DCS和PLC進行改造,增加通信功能,實現總調度室對各生產裝置的集中監控。 2?系統改造方案?? 根據水質凈化廠各生產單元的功能和建設階段,分為廠外調節池、污水一段、氧化溝、四期污水處理、污泥脫水、污泥干化6個生產單元。另外,在廠部設有總調度室,但是總調度室的監控水平較為落后,改造之前基本上不能對各個生產單元進行監控。為了適應生產需要,提高生產效率,改善操作條件,加強監控手段,確保各生產裝置的正常運行,急需對各生產單元和總調度室進行技術和設備的更新改造,從而能在總調度室對各裝置進行監視管理,及時了解各裝置的運行情況,達到指揮及時和調度準確的目的。 2.1?現場監控系統的改造 ??現場監控系統的改造要充分利用原有儀表和設備,主要考慮可靠性和實時性。首先對自控程度較高的3個單元進行改造(系統結構見圖2—1): ??四期污水處理生產單元控制設備配置了兩套ALLEN-BRADELY公司PLC設備。25塊開關量輸入信號卡,可采集384點信號;7塊開關量輸出信號卡,可輸出112點信號;3塊模擬量輸入信號卡,可采集24點信號。兩套AB—PLC通過DH+(數據高速通道)實現數據共享。在原有的現場控制計算機上分別增加以太網卡,通過以太網將實時數據送到總調度室處理。??輸出192點信號;1塊模擬量輸入信號卡,可采集8點信號。系統運行采用遙控開關操作與全模擬流程盤顯示。在原有的Siemens S5-115UPLC上增加RS-232通訊模塊(CP524)和1臺現場操作站,用點對點方法連接,使PLC的數據通過現場操作站送到以太網上,與總調度室監控計算機通信。但RS-232傳輸速率只有9600bps,操作站僅對現場起到監視作用。 1746-BAS /C Allen bradley
S1500e-T SmartSight S1500ET with DV1280 68-128-1
2803-VIM2 Allen bradley
1492-XIM24-8R Allen Bradley
FRN 20 FRN 15 B20849 KLA-TENCOR PCB, PHX E84 CONTROLLER W/ PCB 196918A-02 0116358-001
14111 TEL PCB BIN IF BD 208-600708-1 W/ 4X 280-000500-1 281-600708-1
14089 ASYST PCB, POWER DISTRIBUTION 3200-1061-01
12998 MILLIPORE IN-LINE GAS FILTER, MAX 600 PSI WGGB06WS1
21006 APPLIED MATERIALS CABLE ASSY PLATEN 4 MTR PWR REFLEXIO 0150-42155
21930 FEI ENHANCED ETCH GAS INJECTION PROBE, 18098 20093-A
20748 JASCO PCB, POWER CONT, P/N: 6586-A510A 6586-60EIA
7958 ASML LASER LAMP ASSEMBLY 4022.639.92101
20608 ESCAP DC SERVO MOTOR, HN.08.01 P310.170.50
20762 OPTIMISED CONTROL PCB ASSY, D576 KCL2871
6056 SAM MFC SFC-480 MASS FLOW CONTROLLER SFC480MC-4VQ
7738 TELEBYTE FOUR CHANNEL FIBER OPTIC MULTIPLEXER 273
18934 LAM RESEARCH CABLE ASSY, 49P-X2 AC POWER, 1M 853-802770-002
19676 APPLIED MATERIALS HOSE, ASSY, CNDCTV, 3/8TFE/TBG,72LG, 1.8M 0010-37171
9817 APPLIED MATERIALS HEATER 0040-36180 REV P8
12760 THERMO SCIENTIFIC FH100M PERISTALTIC TUBING PUMP SYS, 2-200RPM 72-320-048
15027 PANALYTICAL XRD GLASS TUBE X-RAY,FINE FOCUS MO,2000W PW2215/20
11673 APPLIED MATERIALS CFA BULGIN PSU OUTPUT, CABLE, 0240-97051 0150-95168
12891 OEM GATE PLATE W/ BALL GUIDANCE, 19.5" x 15" 83469-R1
6581 HORIBASTEC CRITERION MFC, GAS: N2, 200SCCM, AMAT 0190-47277 D514MG
9271 KYOWA OPTICAL FLUORESCENT RING ILLUMINATOR FL-10RB
22067 YASKAWA ELE AC SERVO MTR W/ REDUCER CP-14C-10-J602A-SP SGMAH-A3BAAJ361
6116 SAM MFC FANTAS MASS FLOW METER FMT480F1M-4VP
7453 OMRON INTERACTIVE DISPLAY TOUCH SCREEN NT31-ST123-V3
8201 ASML POWER SUPPLY PAAC 450/20 4022.471.96761
4957 BALDOR IND MTR WITH WINCH & PORTABLE GROUND FAULT 24E263W018G1
20860 ASML PCB ASSY 4022.437.0126
22351 APPLIED MATERIALS PCB ASSY, RF FILTER W/ RF DETECTOR, GAS 0100-01888
8000 GE FANUC PCB BEM 733 REMOTE I/O SCANNER IC697BEM733H
11869 FUJIKIN DIAPHRAGM VALVE TYPE N.C. & N.O., O.P. 0.49MPA 408311
23469 PIONEER MAGNETICS PS, I/P 230V, O/P 5.2V, 40A, 2V 15A (REFURB) PM2971A-2-4
8407 RECIF TECHNOLOGIES ROBOT ARM LIFTER W/ PROTECTIVE BOX SPPT03A60000
3229 METROHM ULTRA FILTRATION UNIT 833
4078 PARALLEL AUTO SWITCH TP-401
7766 VERTEQ MATCHING TRANSFORMER 1069347.3
13224 ADAPTEC ULTRA2-LVD/SE SCSI CONTROLLER CARD AHA-2930U2
20432 APPLIED MATERIALS GASLINE MIXED, LOWER ISOLATOR, HT BESC 0050-75729
10604 FUJIKIN VALVE O.P TYPE N.C. 0.39~0.59MPA 473970
9263 OEM FIBRE OPTIC CABLE (26.4 INCH)
6089 HORIBA-STEC/STEC MFC LFC LF-410A LF-410A-EVD
4722 WASCO VACUUM SWITCH 115 VAC 1A SV120-31W2A-X/9217
16472 APPLIED MATERIALS CABLE ASSY JM9 GP PCB TO P4 0140-23338
13745 APPLIED MATERIALS HOSE ASSEMBLY CATHODE TO BLK HD, 1/2 TS 0190-04985
16475 APPLIED MATERIALS CABLE ASSY, PX9 PRESSURE XDCRS CHX, 5.7FT 0140-23334
22134 ETEL MULTIPLE OVERLOAD PROTECTION CONTROLLER DSCDM332-111C-000C
10228 APPLIED MATERIALS GAS BOX, COOLING, 200MM TI-XZ 0040-39034
21862 APPLIED MATERIALS SHELL ASSY 200MM NOTCH HVIB 0040-09797
11461 APPLIED MATERIALS CLAMP RING 8" HOT SNNF ALUMINUM 0020-26112
18100 NM LASER SAFETY INTERLOCK LASER SHUTTER LST400S24B
13573 OMRON INPUT UNIT, 24VDC CJ1W-1D231
7382 APPLIED MATERIALS SHUTTER DISK,8'' SNNF CLAMPED,VECTRA IM 0021-21580
500 JAE HCT TEL PANEL TOUCH SCREEN UT5-TLN17-A
16774 APPLIED MATERIALS CABLE ASSY AMPULE HTR POWER INTERCONN 10FT 0150-09678
16745 APPLIED MATERIALS CABLE ASSY, 50FT SMK DETECT MNFRM INTCON 0150-21932
16470 APPLIED MATERIALS CABLE ASSY, PM6 GP PCB, 11FT 0140-23339
12175 SMC AIR SLIDE TABLE CYLINDER W/ D-A93 SENSORS MXS8-50AS-A93L
6089 HORIBA-STEC/STEC MFC LFC LF-410A LF-410A-EVD
11140 KAKIZAKI FOSB WAFER CARRIER FOUP 25-SLOTS,300MM,12" W/ 3 WAFERS KTB-3002B
4722 WASCO VACUUM SWITCH 115 VAC 1A SV120-31W2A-X/9217
16472 APPLIED MATERIALS CABLE ASSY JM9 GP PCB TO P4 0140-23338
13745 APPLIED MATERIALS HOSE ASSEMBLY CATHODE TO BLK HD, 1/2 TS 0190-04985
16475 APPLIED MATERIALS CABLE ASSY, PX9 PRESSURE XDCRS CHX, 5.7FT 0140-23334
22134 ETEL MULTIPLE OVERLOAD PROTECTION CONTROLLER DSCDM332-111C-000C
21862 APPLIED MATERIALS SHELL ASSY 200MM NOTCH HVIB 0040-09797
18100 NM LASER SAFETY INTERLOCK LASER SHUTTER LST400S24B
13573 OMRON INPUT UNIT, 24VDC CJ1W-1D231
7382 APPLIED MATERIALS SHUTTER DISK,8'' SNNF CLAMPED,VECTRA IM 0021-21580
500 JAE HCT TEL PANEL TOUCH SCREEN UT5-TLN17-A
16774 APPLIED MATERIALS CABLE ASSY AMPULE HTR POWER INTERCONN 10FT 0150-09678
16745 APPLIED MATERIALS CABLE ASSY, 50FT SMK DETECT MNFRM INTCON 0150-21932
16470 APPLIED MATERIALS CABLE ASSY, PM6 GP PCB, 11FT 0140-23339
17250 CARL ZEISS AUXILIARY OBJECTIVE AXIO EYEPIECE, 44 48 30 444830
13792 APPLIED MATERIALS PCB, G2/G3 DLATC/PROT PCB 21.7MA Q2 0100-01445
16852 LAM RESEARCH PCB LONWORKS NODE 80DI96DO 8A02AI 810-013872-002
18072 APPLIED MATERIALS REDUCER, WELDMENT, EBARA TURBO PUMP, MxP 0050-39742
11005 BHO OM80 OBSCURATION MONITOR OM80 V 8.2
6385 HORIBA-STEC MFC CRITERION DIGITAL MASS FLOW MODULE D519MG
8827 ETO PCB HV FILTER BOARD ABX-X285
11938 APPLIED MATERIALS OPAL BD ASSY CLC/INSIGHT P/N: EA70412575 EP70412576000
21378 STROMAG DRIVESTAR LTI DRIVE, 704111, 182-01861 U-DS 020.1
14059 FEI EXPIDA PCB, 1255 SEM, CHAB 4022 192 9603
13315 APPLIED MATERIALS PLATE, BLOCKER, DXZ SACVD, CENTURA 0021-09914
13979 APPLIED MATERIALS PCB,SOURCE CONDITIONING BD. 0100-02274
14320 ETO PCB,HV CAP. BANK BOARD ABX-X284
14822 APPLIED MATERIALS BLOWER MOUNT HTF EPI ASSEMBLY 0040-35582
15502 APPLIED MATERIALS INSERT, QTZ INJECT 0200-35019
2024 LAM RESEARCH PCB, MATCH INTERFACE 810-000503-003
LA010 Gould TRS400R
SPD24301B
XCK J167
Allen Bradley 1746-P2 series C 1746P2 W241
1746-N2 /B Allen Bradley
P-B2Q6R1-M3R0-K
6ES7 322-1HH00-0AA0 Siemens
CJ1W-OC201
1784-CP7 Allen Bradley
SDN 10-24-100P
1791-8BC /B Allen Bradley
1771-OW16 /B Allen Bradley
1746-P1 Allen Bradley
1746-C16 Allen Bradley
1794-TB3 Allen Bradley
1771-SN /B Allen Bradley
1746-OW16 /D Allen Bradley
1769-OB16 Allen Bradley
6ES7 153-1AA02-0XB0 Siemens
1784-KTCX15/B Allen Bradley
1771-P4S Allen Bradley
1794-TB32 Allen Bradley
Dummy AS5035.001
Zander Aachen SR2C 472152 W60
Allen Bradley 1794-IB32
500-5002 Siemens
77135-231-51 H Allen Bradley
1771-OAD /C Allen Bradley
IPM2-P0904HA
96254872 series C rev Q Allen Bradley
1734-MB & RTB Allen Bradley
A03B- 0807- C102 AID32B1 GE
1791-24B8 Allen Bradley
Moore 15733-41-1
1746-OW16 /C Allen Bradley
500-5032 Texas Instruments Siemens
Sandvik TLGP-4189L 1015 144311-516
1756-CNBR /D Allen Bradley
注:聯系我時,請說是在“傲立機床網”上看到的,謝謝!