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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(chǎng)總線控制系統(tǒng)(Fieldbus Control System-FCS)。但國(guó)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(chǎng)條件下,F(xiàn)CS還不能完全取代DCS,而且目前現(xiàn)場(chǎng)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(guó)內(nèi)企業(yè)在較長(zhǎng)時(shí)間不可能全面采用現(xiàn)場(chǎng)總線技術(shù),而必須走逐步發(fā)展、過渡的道路。 ??我們?cè)谏虾J煞莨经h(huán)保部水質(zhì)凈化廠監(jiān)控系統(tǒng)的改造項(xiàng)目中,對(duì)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(duì)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(duì)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(duì)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(duì)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(chǎng)監(jiān)控系統(tǒng)的改造 ??現(xiàn)場(chǎng)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(duì)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(hào)卡,可采集384點(diǎn)信號(hào);7塊開關(guān)量輸出信號(hào)卡,可輸出112點(diǎn)信號(hào);3塊模擬量輸入信號(hào)卡,可采集24點(diǎn)信號(hào)。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(chǎng)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(hào);1塊模擬量輸入信號(hào)卡,可采集8點(diǎn)信號(hào)。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(chǎng)操作站,用點(diǎn)對(duì)點(diǎn)方法連接,使PLC的數(shù)據(jù)通過現(xiàn)場(chǎng)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(duì)現(xiàn)場(chǎng)起到監(jiān)視作用。
Westinghouse TIMER 2x0.3-300s NL570
Bailey IMCPM02
Wago - WAGO-I/O-SYSTEM - 750-466
Wago - WAGO-I/O-SYSTEM - 750-491
Allen-Bradley SLC 500 1747-SN
Omron Corporation CJ1W-OD233
Siemens Simatic 6ES7 953-8LG11-0AA0
NSD Corporation - MELSEC-Q VS-Q62B
FANUC Axis card A20B-3900-0053 3D
FANUC A20B-3900-0074
Seneca K109PT
Eaton PXES6P24V
Carlo Gavazzi S 196 166 024
Barmag SW6 2S-900 - Y1-25-3342Z / ED305-60S-1Z
Schneider Compact Memory Card MPCYN00CFE00N 3D
VIPA 323-1BH00 - SM323
RED LION ITMS4037
Omron CS1G-CPU42-EV1
Fisher Rosemount 3051 HART 03031-0020-3100
Hirschmann RS20 Rail Switch RS20-0400M2T1SDAEHH04.2.05 3H
AEMC Istruments 275HVD
Omron CS1W-ID261
Hirschmann RS20 Rail Switch RS20-0400M4T1SDAEHH04.2.05 3H
Farnell DRAN30-24
FACTS INC PC BOARD ASSEMBLY A-A88.00-3
HARDY INSTRUMENTS WaverSaver C2 IT HI 2151/30WC Option A1-B6 5D
HARDY INSTRUMENTS WaverSaver C2 IT HI2151/30WC Option A1 BIN#5
HARDY INSTRUMENTS WaverSaver C2 IT HI2151/30WC Option B1-B8 BIN#5
FACTS INC. B-A37.02-1
Delta DPS-1125AB A 623196-001 632914-001
DISPLAY 2000 LE12C206USB2
YOKOGAWA 255-250-AJAJ
JZSP-12 YASKAWA
BRADY Network Card NET-WIFI-LAN 142268
Dynapro Systems / Fluke 24-0381
DATAFORTH DSCA38-16C
DODGE PX-80-HF PARA-FLEX T-L
Festo VMPA1-FB-EMS-8
Allen Bradley 1305-BA03A /C
TOSHIBA TECRA Intel Centrino 1GB
MITSUBISHI A35B
TAPESWITCH PSSU/2
Contech TWA/I-4
Contech Pt100/3/I-4/400E3
REXROTH / BOSCH TM-821000-00014
LION APLCL DIGITAL PANEL METERS QTY-2
Allen Bradley 1400E 2711E-T14C6
Allen Bradley 2711E-T14C6X
Allen Bradley 1200 2711-KC1
YOUNGZON TRANSDUCER YZ101
CKD Solenoid Valve 4K319-00-F-AC100V
Allen-Bradley PowerFlex 40P 22D-D1P4N104
Asahi Keiki ACD-174-1
Turck VB 80-P7X9-30
Allen BRADLEY 160S-AA02NPS1P1 /B
OMRON CPU UNIT COMMUNICATION BOARD CS1W-SCB21 3C
ANTAIRA LNP-201AG-T
Schneider Electric Altivar VW3A3307
GE VERSA MAX IC200UEX011-C
SICK UE403-A0930
FAG 6310.C3(B)
Square D 9001KYK223
FACTS INC. C-A22.00-5
Nerlite - S-40
SIEMENS SIRIUS 3RV2928-1K
GE FANUC IC610CPU105B
Barber-Colman MAQ6-60901-000-0-00 2D
Allen-Bradley - GuardMaster - 440F-C251D
Siemens 6SN1114-0NB00-0AA1
REXROTH / INDRAMAT IKS0197/002.00
Omron GT1-AD04
KMC CONTROLS MEP-5002
SIEMENS 3 NC8 431-3
Koyo PLC DIRECT D3-08TA-2
Mitsubishi MELSEC Remote Terminal Output Unit, AJ65SBTB1-16TE BIN#2
Red Lion Controls PAXLA000
Emerson Network Power Strip Liebert Micro-Pod MP2-120C
Siemens S30267Z0358A150 S30267-Z358-A150-1
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
注:聯(lián)系我時(shí),請(qǐng)說是在“傲立機(jī)床網(wǎng)”上看到的,謝謝!