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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(guò)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(xiàn)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(xiàn)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(xiàn)技術(shù)，而必須走逐步發(fā)展、過(guò)渡的道路。 ??我們?cè)谏虾Ｊ�化股份公司環(huán)保部水質(zhì)凈化廠(chǎng)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(chǎng)各生產(chǎn)單元的功能和建設(shè)階段，分為廠(chǎng)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(chǎng)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(jiàn)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(kāi)關(guān)量輸入信號(hào)卡，可采集384點(diǎn)信號(hào)；7塊開(kāi)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(guò)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(guò)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(kāi)關(guān)操作與全模擬流程盤(pán)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(guò)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。 815-COV4 Allen Bradley
Allen Bradley 1770-XYC
800T-PL16A Allen Bradley
CM1746
328C-200-Q-10-X?X
3VF2217-0EG41-0?AA0
1746-OA8 /A Allen Bradley
97692204 Allen Bradley
Allen Bradley 1785-L11X-1785-?L80X
A03B-0801-C125 GE
A03B-0801-C121 GE
251239LSZZ GE
6R30A3B
3VF2213-0FG41-0?AA0 Siemens
700DC-P200Z24 /D Allen Bradley
19 pieces new old stock fuses JKS-15 JKS-10 JKD-40 LPJ-15SP
PEPPERL+FUCHS NBN4-12GM60-WS-?V11
A03B-0819-C104 #D AID16D GE
1746-OV16 /C Allen Bradley
CARLO GAVAZZI RSE4812-B
1794-TB3S Allen Bradley Flex I/O Base 1794TB3S W354
PS-930 PS930 X29
505-4016A Siemens
1771-WC Allen Bradley
1769-OB16 Allen Bradley
Bi2-CRS260-ADZ3?0X3-B1131/S34
IC693CHS397 L GE
42GTGP-10000-QD Allen Bradley
1771-ISC Allen Bradley
IC693ACC335A GE Fanuc IC693ACC335 N316
DURAMETALLIC SEAL K73R1125333 XEXN 1125M33.12SG
Stock OBT-50-5GM35-E2
A03B-0819-C001 ABU10A GE
MINI/2-AC-X/X-S?0L-PVC-4M/W
160-P1 Allen Bradley Drive Keypad 160P1 N428
F CD411699 8903 POWEREX POW-R-BLOK CD411699 N419
Origa RSC 5 Switch RSC5 W387
1771-OW Allen Bradley
Q45BB6LPQ5
1771-IBD /B Allen Bradley
1794-TBNF Allen Bradley
1747-L524 /C Allen Bradley
1771-HTE Allen Bradley
1771-HTR 91670501 Allen Bradley
MSA 7163/0139
1747-ASB 1747-AIC and other Allen Bradley
New old Stock NTN 52113300006
1790-TOB16X Allen Bradley
1771-CX2 Allen Bradley
505-4216 Siemens
Deltron Q24-1.2
6ES5420-4UA11 Siemens
Sensor Technology, Inc 3002051
OMEGA SOLID STATE RELAY SSRDIN660DC25
Nachi Bearing 068-0454-647 5305 C3 021122 N243
1746-OX8 Allen Bradley
CP-753-030-535
25301-540-01 Allen Bradley
Valcor Scientific SV62C19B1 SV55C19CB1A W346
1771-IQ16 /B Allen Bradley
Durant Pushbutton 4 Digit Counter 48215-406
PHO-TRONICS 090751
1746-IV16 /C Allen Bradley
1746-IV16 /C Allen Bradley
1794-OA8 Allen Bradley
1734-8CFG series C frn 3.006 Allen Bradley
1746-ITB16 /C Allen Bradley
42GRU-9203-QD Allen bradley
Qty 1000 1/8 Watt Allen Bradley
1734-ADN series B FW 3.005 Allen Bradley
1492-K2 Allen bradley
1492-CABLE010D Allen Bradley
D4-16NA
GL0510 43180-53492 GE
917-0050 Medar for Allen Bradley
1747-C20 Allen Bradley
A03B-0807-C159 A0A12F GE
77135-166-55 Allen Bradley
CH200HS-SLK22
4350-A003
884030K03M040
ENK-U1Z Bernstein Limit Switch ENK-UiZ N334
MW220-10MM
CX24 X49
1492-CABLE005N Allen Bradley
Electro Model 5136
WEIDMULLER LR82859 OUTLET MODULE 14791-050408 991576-0000
Robohand Cable CABL-011
HPF-D052-H
1794-IB16 Allen Bradley
CCF 1-1/4SB
1769-OW8 Allen Bradley
NJ8-18OK-WS 09381S
1492-CABLE005D Allen Bradley
1734-IB8 /D frn 3.022 Allen Bradley
1747-L514 /B Allen Bradley
809S-AB010A1 Allen Bradley
1734-PDN Allen Bradley
Allen Bradley Resistors AB# RR 606478 BB 2205 W16
505-6408 Texas Instuments Siemens 5056408 N100
RAB10.1UT Siemens
961478-02 Channel 0 board from Allen Bradley
505-4232 Siemens
1747-L514 /B Allen Bradley
2090-DAIO-D5001 Allen Bradley
pieces 2139269
1.25DXPSRM01.0 ME
800T-J4KQ1 & 2 800T-XA Allen Bradley
9300-RADM1 /B Allen Bradley
1769-IQ16 Allen Bradley
1771-OYL Allen Bradley
HONEYWELL 973AA2XM-B7T-L
6ES7 321-7BH00-0AB0 Siemens
505-6308  Siemens
Allen Bradley 1747-NI001 N100
BU-ECA2015
1746-OV32 /D Allen Bradley
1771-IBN Allen Bradley
92-119 Allen Bradley
N60-2566-1 Allen Bradley
3RG4623-0AN61 Siemens
New 3/4 LF3L-075 Watts Lead Free EDP#0556032 LF3L075 N270
IC693MDL752 J GE
IC693MDL730 D GE
1771-WI Allen Bradley
80206SE Amtek PCB 80206SE N306
140-MN-0040 Allen Bradley
1746-NI4 Allen Bradley
JTN60030
1771-OD16 /A  Allen bradley
X52DB2022
1492-IFM40F Allen Bradley
505-4232 A Siemens
1492-IFM40D24-2 Allen Bradley
1771-IVN Allen Bradley
592-A2CT Allen Bradley
1492-CABLE10CAl?len Bradley
774030B01F060
1794-TB3 Allen Bradley
New old Stock SP-155HV SO# 1036820.27.000
917-0049 Medar for Allen Bradley
1756-TBNH Allen Bradley
1746-IO8 Allen Bradley
1771-WF Allen Bradley
IC655MDL512 A GE
500-5011
1746-P1 Allen Bradley
Quartech 8552
Ci15U-020-AP6X2?-H1141
SLS-24-024
1794-IA8 Allen Bradley
ALLEN BRADLEY 871TM-DH5NP18-N?4
Stock 52-113-300-006
1746-OX8 Allen Bradley
Qty 2: CQM1-ID212 Qty 2: CQM1-CPU11
193-A1A1 /A Allen Bradley
PMHG102A1
Moeller PKZM0-4 with SE00-11-PKZ0
Moeller PKZM0-1,6 with SE00-11-PKZ0
Moeller PKZM0-0,63 & SE00-11-PKZ0
1771-P6S /B Allen Bradley
P61A23605K50
1771-OFE1 Allen Bradley
592-B0V16 Allen Bradley
1771-OAD /B Allen Bradley
111-6-T2 8626
OptiLogic Opti Logic OL2208
New old Stock 111-6-T2 8610
Moeller PKZM0-6.3 with SE00-11-PKZ0
1734-ADN  Allen Bradley
1492-GH002 Allen Bradley
800T-FXT-A1 Allen Bradley Stop Switch 80T-XD4
U-05T Siemens Relay Output U05T W331
GEA1680041B
1745-M1 Allen bradley
1746-IA16 /C Octal Label Allen Bradley
5534526 5534513 Allen Bradley
D2-16TD2-2
OEM H436396
800T-QBH10G Allen Bradley
1771-WA Allen Bradley
Telemecanique XVB C21
H3CR-A
1746-OB16/D Allen Bradley
BL67 PF24VDC Turck BL67 PF24VDC with BL67-B-1RSM-4
700-PK400A1 /D Allen Bradley
New old Stock T40274
New old Stock T40759
KLL 4.02.200.223/0 223/3
1771-OZL Allen Bradley
MDE-213-24-48
MDA-200
F0-08NA-1
Balluff BLE 6K-PU-1E S75-C
1771-OAD Allen Bradley
PS5R-A05
1771-OAD /B Allen Bradley
621-0021R Honeywell
1771-WG Allen Bradley
1771-OVN Allen Bradley
1771-IBD /B Allen Bradley
F0-08NA-1
6 pin connector for 1747-ASB 1747-AIC
1771-IQ16 /A Allen Bradley
1746-OB8 Allen Bradley
1747-DCM Allen Bradley
1747-M1 Allen Bradley
IC693MDL630 B GE
A02B-0076-K002
A02B-0076-K001
A02B-0091-C113
205-1212V2
D2-08TD1
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

注：聯(lián)系我時(shí)，請(qǐng)說(shuō)是在“傲立機(jī)床網(wǎng)”上看到的，謝謝！