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集散控制系統(tǒng)(Distributed Control System-DCS)集計算機(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)的改造項目中,對3個生產(chǎn)單元已有的DCS和PLC進(jìn)行改造,增加通信功能,實現(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,及時了解各裝置的運(yùn)行情況,達(dá)到指揮及時和調(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時性。首先對自控程度較高的3個單元進(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)實現(xiàn)數(shù)據(jù)共享。在原有的現(xiàn)場控制計算機(jī)上分別增加以太網(wǎng)卡,通過以太網(wǎng)將實時數(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。Siemens 3VL9300-3MN00
Q45BB6LPQ5
6R30A2B
1771-OAD Allen Bradley
1747-M11 /B Allen Bradley
6ES5-373-1AA41 Siemens
6ES5-373-0AA41 Siemens
D4-16NA
D4-16NE3
IC693MDL646 B GE
1794-IB8S Allen Bradley
22101-046-01
1771-IAD Allen Bradley
42GNP9000QD Allen Bradley
800T-QAL24G & 800T-XA Allen Bradley
1492-CABLE005A Allen Bradley
Qty 2 Westinghouse 370B950G01
Siemens 3VF9221-1JD10
1746-OA16 /C Allen Bradley
New old Stock Brad Harrison 41607
D2-16TD1-2
1771-IAD /D Allen Bradley
Bearing for VIKING PUMP 2-055-053-375
GE Fanuc A20B-2902-0070 /04B
GE Fanuc A20B-2902-0371 /02A
Spra-Gard PPL-150-3/4
42DCB-5000 Allen Bradley
1769-ECR Allen Bradley
1794-IB8 Allen Bradley
1771-IAD B Allen Bradley
800T-XD4 Allen Bradley
1771-IV Allen Bradley
1771-IB Allen Bradley
F110.30.W 31.50.038P
X-241563 Allen Bradley
1746-IB8 Allen Bradley
1794-OB8 Allen Bradley
2800T-PT16 Allen Bradley
SMFF01 Siemens
MG-5226 X77
IC693MDL645
U-15T Siemens
2094-PRF Allen Bradley
193-A1A1 /A Allen Bradley 193A1A1 X44
ALLEN BRADLEY 4100-CCF1
CJ1W-TER01 Omron End Plate CJ1WTER01 N436
193-EA2DB & 100-C09D10 Allen Bradley
D4-16NE3 PlcDirect Plc Direct D416NE3 X49
1492-IFM20D24 Allen Bradley
800P-N150 Allen Bradley
D2-16ND3-2
6RI75G-120B Fuji Power Module 6R1175G-120B X85
800T-H2 series T with 1 800T-XD1
6RI75G-160
1771-OAD Allen Bradley
10VK3 F7144
1771-RTP3 Allen Bradley
D2-08TD2
8R3A00A18M020 Daniel Woodhead X48
PWB-00022 DSI connector PWB00022 N426
1771-ID16 /A Allen bradley
IC693MDL230 C GE
1746-IA16 /C Allen Bradley
1492-IFM20F-3 Allen Bradley
1771-IG Allen Bradley
1771-IGC Allen Bradley
1771-OB Allen Bradley
1745-850 1745-TCAT User Manual Allen Bradley
1492-IFM20F Allen Bradley
T1K-5-461
1746-IA16 /C Allen Bradley
1786-TPYR Allen Bradley
1746-A2 Allen Bradley
160-DN1 Allen Bradley
800T-J91 Allen Bradley
IC693MDL741 D GE
CUTLER HAMMER Prox Switch E57YED405 N331
3RG4623-0AN61 Siemens
IC693MDL741
U-55N Siemens
1771-ID16 /A
1794-TB2 Allen Bradley
VHLZ-SSV-PE
1734-FPD /B Allen Bradley
Qty 3: FRS-40
63052RDC3
1492-GHD020 Allen Bradley
25W1005H02L
1492-CB1G040 Allen Bradley
923AB3WA7TL HONEYWELL
CHCC2I Buss 30A 600V 2 position Fuse Holder CHCC2I X73
800M-XA2K Allen Bradley
69A113 Allen Bradley
AB-120922
71A86 Allen Bradley
Allen-Bradley 1492-MCAA2H15
595-AA /B Allen Bradley
1746-N2 Allen Bradley
1746-RT25R Allen Bradley
SKF 6006 2RSJEM
60052RSC3GXM K
1771-CP1 Allen Bradley
ALLEN BRADLEY 40847-156-51
69A83 Allen Bradley
DURAMETALLIC SEAL Y5FJ1125MU3
2755-OA5S 1781-OA5S Allen Bradley
9853-3031 R40-A605
1785MJ Allen Bradley
Allen-Bradley 1492-MCAA210
1734-MB & 1734-RTBS Allen Bradley
1734-CTM series C Allen Bradley
CP-673-171-118
11SM1-H58 Honeywell
1734-RTB Allen Bradley
BS 4141-0/13.5
TMF 18-MS
6ES7 132-4BD00-0AA0 Siemens
Hawkeye 900 # Z101435-OB
1771-OZ Allen Bradley
SLCF2GM1UI-F
6ES7-131-4BD00-?0AA0 Siemens
New old Stock 63-1420
New old Stock 63-1135
1746-R15
Kennametal IB1544827 SP1RVL Carbide Inserts 9ZE6940D2 3017902 W209
595-AA series C Allen Bradley
1771-CE Allen Bradley
ST-LC 62.5 DX 1M 810-L12-003
1794-TB3 Allen Bradley
AGX 5 AGX5
1747-C11 Allen Bradley
700-NA40 Allen Bradley Type N Front Deck 700NA40 X89
RCS7A-18V R-K
TRS-120VUC-1CO
1761-AC00 Allen Bradley
923AA2BM-A7T Honeywell
1492-WMG4 Allen Bradley
IC693ACC307 A GE
A126 Key for Allen Bradley
966801-01 Allen Bradley
1771-WH Allen Bradley
IC693MDL240E GE
S50-MA-5-M03-PP
IC693MDL645 B GE
3RV1011-0HA10 Siemens
Brecoflex AT5/27
1746-RT25C Allen Bradley
6ES7-131-4BD00-?0AA0 Siemens
800FP-E2 Allen Bradley
195-GL01 Allen Bradley
60062RSC3GXM
NBB5-18GM50-E0
42SR2-4001 Allen Bradley
ALLEN BRADLEY 872C-D8NE-18-D4
1785P-P1N5-MN5R?1 Allen Bradley
1-NET-812-0668 Siemens
1495-G5 series L Allen Bradley
SMA31EQD
1734-IB4 /D Allen Bradley
IGA2005LABOA
CP-671-181-371
AGC4 Bin32
AGC-1/2
25T8DC /120V
NETWORK NIC-2003 KC3315-01
195-GA10 Allen Bradley
WEBER WN-101943-P
D2-16ND3-2
1787-PLUG10R Allen Bradley
160-B1 Allen Bradley
1786-TPYS Allen Bradley
F4-16PID
New old Stock SKF 1207 ETN9 Bearing 1207ETN9 N323
KLOCKNER MOELLER B3.1/2-PKZ0 3-PHASE
1746-RT25B Allen Bradley
6042RSC3GXM
Allen Bradley 100-FSVI36
1771-WC /B Allen Bradley
1746-IA16 /C Allen Bradley
Siemens Vipa SSM-BG43D
Siemens Simatic S7 CPU317NET,VIPA 317-3SL01,E:02
Siemens Simatic S5 375-0LA15 6ES5 375-0LA15
Siemens VIPA 430-4UA14
VIPA SM222 Digital Output 222-1BF00
Siemens 6021 VC115 #26740
Siemens,6ES7 972-0BA10/0BA11/0BB12/0BA52/0BB52/0B
Siemens 123-6BH00
313SC 313-6CF13 Siemens
Siemens Simatic S5 VIPA SSN-BG89A
Vipa Siemens S5 454-4UA14
VIPA Siemens SM322-1BH01
Siemens S5 / Vipa / DEA-BG07
Siemens VIPA CP4-BG61A
Siemens 451-4UA14 / S5
Siemens Simatic S5/VIPA, DEA-BG09,E:02
Siemens Simatic VIPA SSM-BG43
Vipa Siemens S5 SSM-BG41
VIPA/Siemens Simatic S5 Digital IN,430-4UA14
Siemens 315SN 315-4NE13 E2
Siemens VIPA SSN-BG89A E: 24+6ES5376-0AA21
Siemens 123-6BH00
Siemens Simatic VIPA SSM-BG42
VIPA / BVM /CPU 313 SC //CPU313SC // 313XPTP1282
VIPA/Siemens Simatic S5 Digital OUT,451-7LA12
Siemens Simatic VIPA S5 CP5-BG30
Siemens DEA-BG08
VIPA/Siemens Simatic S7 CPU315PN,VIPA 315-4PN12
VIPA/Siemens Simatic S5 Digital IN,430-4UA14
SIEMENS Simatic S7 VIPA SM321-1BH00
Siemens DEA-BG09
Siemens Simatic S5 / VIPA SSM-BG43D
Siemens Vipa VC1-BG27
Siemens Simatic S5 Digital OUT,451-7LA12
VIPA/Siemens Simatic S5 Digital IN,430-7LA12
VIPA Siemens SSN-BG89A + VIPA 376-0AA21
Siemens Simatic S5 / VIPA SSN-BG81A Est: 24 SSN-BG81A011263
Siemens Simatic S5/VIPA,VC1-BG20
VIPA 430-4UA14 / Siemens
注:聯(lián)系我時,請說是在“傲立機(jī)床網(wǎng)”上看到的,謝謝!





















