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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。
Allen Bradley GuardMaster Cat No. 440F-C251D
FACTS INC. ASSY. NO A-B01.03-7
Autonics Digital Counter/Timer CT6S
Reliance Automax 45C922
RELIANCE ELECTRIC SHARK 45C982
HORNER ELECTRIC PLC 45C-RTD
PHOENIX CONTACT IB STTB 24 AO 4/SF 9243826. 3A
TAKEMOTO C2A-00-D DC
1746-NI04I /A Allen Bradley
Hard Drive Control Board FN62 16D 3E
TB WOODS PC327
SIEMENS 570 214 9302.00
Allen Bradley 1404-DM
Cisco VIC2-2FXS Voice Fax Interface Module Card 73-7951-02 3D
Control Techniques MDA-2
IMO Overload Relay MCOR-1-14
Yaskawa Electric SGDA-08AS
DELTA D0107550/06,DELTA ENERGY SYSTEMS AWF 9DC 1475W 4-E
FUJI ELECTRIC SC-N2S/SE
Allen Bradley SLC 500 1747-PIC
TOYO DENKI SOT-VS702
JCD RM-430
ASHCROFT 45 1279S 02L
Turnbuckle Body 1 3/4
Daikin Pressure Switch MPS-02P-1-50. 6D
Macsa 08240 46-48
ALLEN BRADLEY 154-A11NB
Koyo KOSTAC Programmable Controller Z-ROM1 BIN#2
Allen Bradley 5130-RM1/A
ALLEN-BRADLEY 1747-PT1
SKF NU-308-ECM
NTRON 508TX-A
LEM LC 1000-S/SP2
Lantronix EPS2-100
Arrow F452W
Allen-Bradley 802T-DY8
Reliance Electric 57C416
SMC IFW520-04-11
SMC IFW510-03-10
Reliance Electric 57C416
NEWPORT ELECTRONICS INFCT-010B
KOYO PLC G-38T 5-12VDC OUT/64 3A
Mitsubishi Melsec AX40
Allen Bradley SLC500 1746-P2
Square D 8030 RIM121 SY/MAX
Allen Bradley SLC 500 Processor Unit 40 I/O - 1747-L40B
ALLEN BRADLEY 1203-GU6
OMRON CRT1-TS04P
BALLUFF BES-M08MI-PSC40B-BP00,3-GS49
KOYO LS-8A-R
Pilz PNOZ mc3p - 773721
Allen-Bradley 1738-AENT
ALNOR PYROCON Type 4000A
Pneumax 212.53.31.9.1
Sifam Power Unit Type PRR 4D
Allen Bradley 160-BA01NPS1P1
Allen-Bradley SLC500 1746-P2
Includes 8 Finisar Controller Cards FTRJ8519F1KNL-QL
Foxboro P0914XA / P014XB
Eaton - Cutler-Hammer CN15GN3
Pneumatrol Solenoid Type EP000/ia BAS01ATEX1391X 6E
Square D 8536SCO3S 3
SCHMERSAL ZS 75 29?/2S
Barber-Colman MAQ6-61901-000-0
CUTLER HAMMER D970PT3
GE Fanuc IC693PWR330F
Fanuc A16B-1211-0042/02A
Crompton 012-75AA-MTMT-C7-B2 5E
ATC TIMER 309E019A04PX
ABB ACS355-03U-01A9-4
Allen-Bradley 100S-C43DJ14C
TEXAS INSTRUMENTS CENTRAL PROCESSING MODULE 315-AA 3C
Parker LV8NAB
HONEYWELL DC3002-0-00A-2-00-0111
Allen Bradley 1771-P4S
ALLEN BRADLEY 74100-071-51 1336S-MCB-SPI REV 9
Allen Bradley 1771-DA
Siemens 6SL3244-0BB00-1PA1
Accu-Sort Sentient RFR-02
Allen Bradley 1771-OWNA /A
Schneider Electric - Altivar ATV12H037F1
BANNER ENGINEERING QDC-525C 37443
BANNER ENGINEERING QDC-525C 36336
Allen-Bradley 889D-F4AC-5
GC VALVES S201GF02C5DG4
ALLEN BRADLEY 1492-CB3G400-H1 /A
ABB 3BSE022462R1
Allen Bradley 100-C43DJ10
ALLEN BRADLEY Z-35617
SCHNEIDER ELECTRIC VW3A3303
PRECISION DIGITAL VIGILANTE ANNUNCIATOR PD141AF0-3 2D
Allen Bradley A30 100-A30NZ3
CARLO GAVAZZI REC3B60D20GKE
Allen-Bradley SLC 500 1747-SDN
SKF NUP-208-J
TELEMECANIQUE LC1 D09
EATON CUTLER HAMMER R5B3060U
Allen Bradley 1492-AIFM4-3
TAKEMOTO C2A-00-D
Syrelec Corporation PAR2B
MAPLE SYSTEMS LCD DISPLAY# OIT3165-A00
GE FANUC IC610CPU105B
GE FANUC IC610MDL106A
Denko TGC-100
Renk AG 16127
Schneider Electric BMXDDI1602
Allen-Bradley SLC 500 1747-SDN
MAC 411A-B0A-DM-DJAA-1CA
Analog Devices 3B46-00
EATON CROMPTON INSTRUMENTS 077-05AA-EZNT-DM
YOUNGZON TRANSDUCER YZ101
Cutler-Hammer 87-01369-02
YOUNGZON TRANSDUCER YZ101
Siemens Simatic S7 6ES7193-7CA00-0AA0
Allen Bradley 1738-232ASCM12 /A
Koyo KOSTAC, PROGRAMMER UNIT, S-01P-EX BIN#5
SMC Air Valve VFS3210-5DZ 6D
ALLEN BRADLEY 1756-M02AE
Allen Bradley Bulletin 1394
Allen Bradley 77135-241-55 /K
Allen Bradley 1774-KA
WEIDMüLLER MG2 122178
REDINGTON COUNTERS - P2-4906
Allen-Bradley Flex I/O 1794-VHSC
ORIENTAL MOTOR 5GN180RH
STETTNER DREHZAHL MESSGERATE RPM METER 7022 130789122005
EATON CUTLER HAMMER ELC2-PV28NNDR
PHOENIX CONTACT IB-STTB-24-DO-16R/S
PHOENIX CONTACT IB-STTB-24-CNT
Mitsubishi QJ71LP21-25
GE 15G6439W18
SCHNEIDER ELECTRIC GV3P50 37-50A
PHOENIX CONTACT FL SWITCH SFN 8GT
ALLEN BRADLEY NEMA SIZE A600 592-B0V169
ALLEN BRADLEY NEMA A600 42185-800-01
Maple Systems HMI 520C-002
Rosemount Kit 03700-0640-1100
PHD TS041X2-A
Opto 22 16 Channel Rack Board PB16A 000226-F. 3E
ALLEN BRADLEY DeviceNet 160-DN2
BODINE ELECTRIC DC MOTOR CONTROL Model 850
TEXAS INSTRUMENTS MODEL 325-07
TEXAS INSTRUMENTS MODEL 305-05T
TEXAS INSTRUMENTS MODEL 305-25N
EATON CUTLER HAMMER R5B3060U
Bielomatik Produkt Nr. 10854002.03 (67764613)
Allen Bradley 1492-AIFM4-3
TAKEMOTO C2A-00-D
Syrelec Corporation PAR2B
MAPLE SYSTEMS LCD DISPLAY# OIT3165-A00
GE FANUC IC610CPU105B
GE FANUC IC610MDL106A
Denko TGC-100
Renk AG 16127
Schneider Electric BMXDDI1602
Allen-Bradley SLC 500 1747-SDN
MAC 411A-B0A-DM-DJAA-1CA
Analog Devices 3B46-00
EATON CROMPTON INSTRUMENTS 077-05AA-EZNT-DM
YOUNGZON TRANSDUCER YZ101
Cutler-Hammer 87-01369-02
YOUNGZON TRANSDUCER YZ101 S-BEAM
Siemens Simatic S7 6ES7193-7CA00-0AA0
Allen Bradley 1738-232ASCM12 /A
Koyo KOSTAC, PROGRAMMER UNIT, S-01P-EX BIN#5
SMC Air Valve VFS3210-5DZ 6D
ALLEN BRADLEY 1756-M02AE
Allen Bradley Bulletin 1394 2 KW
Allen Bradley 77135-241-55 /K
Allen Bradley 1774-KA
WEIDMüLLER MG2 122178
REDINGTON COUNTERS - P2-4906
Allen-Bradley Flex I/O 1794-VHSC
ORIENTAL MOTOR 5GN180RH
STETTNER DREHZAHL MESSGERATE RPM METER 7022 130789122005
EATON CUTLER HAMMER ELC2-PV28NNDR
PHOENIX CONTACT IB-STTB-24-DO-16R/S
PHOENIX CONTACT IB-STTB-24-CNT
Mitsubishi QJ71LP21-25
GE 15G6439W18
SCHNEIDER ELECTRIC GV3P50 37-50A
ALLEN BRADLEY NEMA SIZE A600 592-B0V169
ALLEN BRADLEY NEMA A600 42185-800-01
Maple Systems HMI 520C-002
Rosemount Kit 03700-0640-1100
PHD TS041X2-A
Channel Rack Board PB16A 000226-F. 3E
ALLEN BRADLEY DeviceNet 160-DN2
BODINE ELECTRIC DC MOTOR CONTROL Model 850 115VAC 50/60HZ 1P 9.0A 1/4HP. 1H
TEXAS INSTRUMENTS MODEL 325-07
TEXAS INSTRUMENTS MODEL 305-05T
TEXAS INSTRUMENTS MODEL 305-25N
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