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集散控制系統(tǒng)(Distributed Control System-DCS)集計(jì)算機(jī)技術(shù)、控制技術(shù)、通信技術(shù)、CRT技術(shù)于一體,廣泛應(yīng)用于生產(chǎn)過程控制系統(tǒng)。隨著計(jì)算機(jī)和網(wǎng)絡(luò)技術(shù)的飛速發(fā)展,產(chǎn)生了一種新型的控制系統(tǒng)———現(xiàn)場總線控制系統(tǒng)(Fieldbus Control System-FCS)。但國內(nèi)生產(chǎn)企業(yè)的情況是:大多數(shù)企業(yè)還處于模擬儀表和人工控制的階段,采用DCS控制系統(tǒng)的企業(yè)仍是少數(shù)。由于DCS應(yīng)用廣泛、技術(shù)成熟,在現(xiàn)有的技術(shù)條件和市場條件下,F(xiàn)CS還不能完全取代DCS,而且目前現(xiàn)場總線設(shè)備和系統(tǒng)還十分昂貴。因此,除了新建企業(yè)外,國內(nèi)企業(yè)在較長時(shí)間不可能全面采用現(xiàn)場總線技術(shù),而必須走逐步發(fā)展、過渡的道路。 ??我們在上海石化股份公司環(huán)保部水質(zhì)凈化廠監(jiān)控系統(tǒng)的改造項(xiàng)目中,對3個(gè)生產(chǎn)單元已有的DCS和PLC進(jìn)行改造,增加通信功能,實(shí)現(xiàn)總調(diào)度室對各生產(chǎn)裝置的集中監(jiān)控。 2?系統(tǒng)改造方案?? 根據(jù)水質(zhì)凈化廠各生產(chǎn)單元的功能和建設(shè)階段,分為廠外調(diào)節(jié)池、污水一段、氧化溝、四期污水處理、污泥脫水、污泥干化6個(gè)生產(chǎn)單元。另外,在廠部設(shè)有總調(diào)度室,但是總調(diào)度室的監(jiān)控水平較為落后,改造之前基本上不能對各個(gè)生產(chǎn)單元進(jìn)行監(jiān)控。為了適應(yīng)生產(chǎn)需要,提高生產(chǎn)效率,改善操作條件,加強(qiáng)監(jiān)控手段,確保各生產(chǎn)裝置的正常運(yùn)行,急需對各生產(chǎn)單元和總調(diào)度室進(jìn)行技術(shù)和設(shè)備的更新改造,從而能在總調(diào)度室對各裝置進(jìn)行監(jiān)視管理,及時(shí)了解各裝置的運(yùn)行情況,達(dá)到指揮及時(shí)和調(diào)度準(zhǔn)確的目的。 2.1?現(xiàn)場監(jiān)控系統(tǒng)的改造 ??現(xiàn)場監(jiān)控系統(tǒng)的改造要充分利用原有儀表和設(shè)備,主要考慮可靠性和實(shí)時(shí)性。首先對自控程度較高的3個(gè)單元進(jìn)行改造(系統(tǒng)結(jié)構(gòu)見圖2—1): ??四期污水處理生產(chǎn)單元控制設(shè)備配置了兩套ALLEN-BRADELY公司PLC設(shè)備。25塊開關(guān)量輸入信號卡,可采集384點(diǎn)信號;7塊開關(guān)量輸出信號卡,可輸出112點(diǎn)信號;3塊模擬量輸入信號卡,可采集24點(diǎn)信號。兩套AB—PLC通過DH+(數(shù)據(jù)高速通道)實(shí)現(xiàn)數(shù)據(jù)共享。在原有的現(xiàn)場控制計(jì)算機(jī)上分別增加以太網(wǎng)卡,通過以太網(wǎng)將實(shí)時(shí)數(shù)據(jù)送到總調(diào)度室處理。??輸出192點(diǎn)信號;1塊模擬量輸入信號卡,可采集8點(diǎn)信號。系統(tǒng)運(yùn)行采用遙控開關(guān)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(tái)現(xiàn)場操作站,用點(diǎn)對點(diǎn)方法連接,使PLC的數(shù)據(jù)通過現(xiàn)場操作站送到以太網(wǎng)上,與總調(diào)度室監(jiān)控計(jì)算機(jī)通信。但RS-232傳輸速率只有9600bps,操作站僅對現(xiàn)場起到監(jiān)視作用
ALLEN BRADLEY 1747-L551 SER. C F/W 11 (NO KEY) NSMPALLEN BRADLEY 1747-L551 SER. D F/W 13 (NO KEY) NSMP
ALLEN BRADLEY 1747-L551 SER. D F/W 13 NSMP
ALLEN BRADLEY 1756-L61S SER. B F/W 1.10 NSMP
ALLEN BRADLEY 1756L63 SER.A F/W 1.4 DATE: 2006
ALLEN BRADLEY 1756-L71 SER. B F/W 1.010 DATE: 2017
ALLEN BRADLEY 1756-L71 SER. B F/W 1.010 DATE: 2017 NSFS
ALLEN BRADLEY 1771-HS1
ALLEN BRADLEY 1771-HS1 SER. A F/W 03.01 NSMP
ALLEN BRADLEY 1771-IR SER. A F/W L INPUT MODULE (REMANUFACTURED)
ALLEN BRADLEY 1771-IR SER. D F/W 8 DATE: 2015 NSFS
ALLEN BRADLEY 1775-A1 PLC-3 PROGRAMMABLE CHASSIS
ALLEN BRADLEY 1785-ENET SER. A F/W C INTERFACE DATE: 1998 *FACTORY SEALED*
ALLEN BRADLEY 1785-ENET SER. B F/W D DATE: 2003 NSFS
ALLEN BRADLEY 1785-L20E SER.E F/W B.2 PROCESSOR (NO KEY)
ALLEN BRADLEY 1785-L30B SER. A F/W P.1 REMAN
ALLEN BRADLEY 1785-L30B SER. E F/W D PROCESSOR DATE: 1999
ALLEN BRADLEY 1785-L40B SER. C F/W E
ALLEN BRADLEY 2094-BC04-M03-S SER. A F/W 1.98 NSMP
ALLEN BRADLEY 2094-BC04-M03-S SER. B F/W 1.122 NSMP
ALLEN BRADLEY 2094-BC07-M05-S SER. C F/W 1.127 NSMP
ALLEN BRADLEY 2094-BC07-M05-SB1122 SER. B F/W 1.122 NSNP
ALLEN BRADLEY 2098-DSD-HV220-SE SER. B F/W V1.52 NSMP
ALLEN BRADLEY 20BC085A0ANNANC0 SER. A F/W 3.003 UNMP
ALLEN BRADLEY 20BC085A0ANNANC0 SER. B F/W 4.001 (AS PICTURED) UNMP
ALLEN BRADLEY 20BC085A0ANNANC0 SER. B F/W 4.001 UNMP
ALLEN BRADLEY 20BC085A0ANNANC0 SER. B F/W 9.001 UNMP
ALLEN BRADLEY 20BD022A0AYYANN0 SER. A AC DRIVE
ALLEN BRADLEY 20BD022A3AYNAND0 SER B F/W 10.001 AC DRIVE
ALLEN BRADLEY 20BD027A0AYNAND1 SER. A F/W 3.003 NSMP
ALLEN BRADLEY 20BD027A3AYYANA0 SER. A F/W 3.002 REMAN
ALLEN BRADLEY 20BD040A3AYNADA0 SER. A F/W 3.002 (AS PICTURED) NSNP
ALLEN BRADLEY 20DD5P0A3EYYANCBL SER. A F/W 4.002 UNMP
ALLEN BRADLEY 20DD5P0A3EYYANCBL SER. A F/W 5.002 UNMP
ALLEN BRADLEY 2107MS-GXCB509/1 SER. Q
ALLEN BRADLEY 2711-KC1 SER. C F/W 5.02.01 NSNP
ALLEN BRADLEY 2711-KC1X SER. C REV I FRN 5.02.00 (w/ KEY)
ALLEN BRADLEY 2711P-B15C15D2 SER. A UNMP
ALLEN BRADLEY 2711P-K12C4D1 SER.G PANEL VIEW PLUS MODULE
ALLEN BRADLEY 2711P-T10C6A6 SER. A (BR/WH) NSMP
ALLEN BRADLEY 2711P-T12C4D8 SER. A NSMP
ALLEN BRADLEY 2711P-T15C4B2 SER. A PANELVIEW (REMANUFACTURED)
ALLEN BRADLEY 2711-T10G20 SER. C REV. C FRN 4.43
ALLEN BRADLEY 2711-T10G8X SER. E F/W 4.48 (REMANUFACTURED)
ALLEN BRADLEY 2711-TC1X SERIES C OPERATOR INTERFACE
ALLEN BRADLEY 2711-TC4 SER.F INTERFACE (NO KEY) (REMANUFACTURED)
ALLEN BRADLEY 2711-TC4X SER.F W/ KEY INTERFACE (REMANUFACTURED)
ALLEN BRADLEY 2750-AHPR1 INTELLIGENT ANTENNA (AS PICTURED)
ALLEN BRADLEY 500FL-FOB92 SER. L 480V (BR/WH) NSMP
ALLEN BRADLEY 509-FOS SER. L NSNP
ALLEN BRADLEY 520F-EOA SER. B STARTER
ALLEN BRADLEY 6180CS-NV2 SER. B NSNP
ALLEN BRADLEY 6180P-15KPXPX SER. E UNMP
ALLEN BRADLEY 801-FSC14 SER. A (BR/WH) NSMP
ALLEN BRADLEY 8520-S5 RA08020097 SER. C REMAN
ALLEN BRADLEY 8520-SER10-2Q-4Q SER. A REMAN
ALLEN BRADLEY 8520-SER5-2Q-4Q SER. A REMAN
ALLEN BRADLEY DRIVE 20DD3P4A3EYNANCNL SER. A
ALLEN BRADLEY F-4050-Q-H00AA SER. A NSNP
ALLEN BRADLEY MPL-B330P-MJ24AA SER. A SERVO MOTOR 5000RPM
ALLEN BRADLEY MPL-B580F-MJ72AA SER. A NSMP
ALLEN BRADLEY PANELVIEW 1200 2711-TC4 SER F FRN 5.10.00 INTERFACE
ALLEN BRADLEY PANELVIEW 1400 2711-T14C8X SER. A F/W 4.20 (REMAN)
ALLEN BRADLEY PANELVIEW 900 2711-T9C1 SER. C F/W 4.00 (REPAIRED)
ALLEN BRADLEY POWERFLEX 70 20AE052A0AYNANC0 SER. A F/W 4.001 AC DRIVE
ALLEN BRADLEY POWERFLEX 700 20BD040A3AYNAND0 SER. B AC DRIVE
ALLEN BRADLEY R2711B6C2L1/C PANEL VIEW
ALLEN BRADLEY RP-144447 KIT
ALLEN BRADLEY SLC 500 1747-L543 SER. B F/W 9 PROCESSOR UNIT
ALLEN BRADLEY SLC 500 1747-L543 SER.B PROCESSOR (NO KEY) REMAN
ALLEN BRADLEY ULTRA 1398-DDM-019X-DN SER. A SERVO DRIVE
ALLEN BRADLEY ULTRA 1398-DDM-020X SERVO DRIVE
ALLEN BRADLEY VERSAVEIW 6182H-15TEH4D SER A OPERATOR INTERFACE
AMADA PDT-R3B-10
ANTON PAAR DPRN4122 349581 FLOW DENSITY TRANSDUCER
APANTEC 10047-001 UNMP
APANTEC RAM606 NSNP
APANTEC SDA3E NSNP
ARISTA BOXPC-304K COMPUTER + MONITOR
ASCO 2063816RF 125VDC NSMP
ASCO 833-354201003694 UNMP
ASCO X2063816RF12013 3/8" 125VDC NSMP
ASCO X2063816RF12013 3/8" 125VDC NSNP
ATLAS COPCO ETDSL21-04-I06-PS UNMP
ATLAS COPCO PF3007-G-DN-HW (NO KEY) NSMP
AVTRON AV685N1E8Y8YP000 INCREMENTAL ENCODER
B&R AUTOMATION 5PC810.SX02-00 5P81:JONRED-08 NSNP
BAILEY 547121FAAZ2 NSNP
BAILEY SEQUENCE MODULE INSEM01
BAILY AND PORTER 50SM13A1BXD10ACEC2101 SIGNAL CONVERTER
BALDOR BL0052A03 AC SERVO DRIVE
BALDOR SD26BA05-PO AC SERVO DRIVE
BALDOR ZD18H407-E
BANNER ENGINEERING MGR7216A 32300 NSMP
BAUMULLER BFK 12/30/400-2002
BAYSIDE RA115-030-LB NSNP
BECK 11-208-111548-03-01 NSMP
BECK 20-2701-20
BERGER LAHR WDP5-118.05100 DRIVE
BIHL WIEDEMANN BWU2227 NSNP
BONFIGLIOLI ACU401-19A NSMP
BOSCH 0811404623 NSNP
BOSCH 1070071221-102 SERVO CONTROLLER
BOSCH 1070071221-102 SERVO CONTROLLER
BOSCH SM5/10-TA SERVO MOTOR
BOSTON GEAR VOR13BBLP24 NSNP
Brand New
BRANSON 947MA CONTROL UNIT
BROWNING 7MVC110S NSMP
BRUENINGHAUS HYDROMATIK LA10VO100FE1/31R-PSC12K07-SO203 00987077 NSNP
CANBERRA DSA-1000 UNMP
CARL REHFUSS SM031HU-IEC63C NSNP
CARLYLE 06DM3136CC3650 NSNP
CARLYLE 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
注:聯(lián)系我時(shí),請說是在“傲立機(jī)床網(wǎng)”上看到的,謝謝!