140DAI54300、140DAI54300
140DAI54300、140DAI54300
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——————廈門(mén)卡庫(kù)電氣有限公司———————————
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公司主營(yíng):ABB:bailey/ABB機(jī)器人/AC500
FOXBORO:TRICONEX ESD 系統(tǒng)模塊
MOTOROLA:MVME133 MVME147 MVME162
ALLEN BRADLEY:AB-1746 AB-1756 AB-1769 AB-1771 AB-1784 AB-1785 AB-2711 AB-1747
AB-1757 AB-1786 AB-1794 AB-1606 AB-1791 AB-1753
XY COM:XVME系列卡件 XY COM觸摸屏
HONEY WELL:HONEY WELL620 HONEY WELL621
GE FANUC:IC693 IC600 IC697 IC670 IC752 FANUC系列 VMIC卡件 FANUC機(jī)器人
YASKAW:安川變頻器,伺服及卡件,機(jī)器人
SIEMENS:MOORE 西門(mén)子S5
SCHNEIDER:MODICON140 AS系列
WESTINGHOUSE:1C311等PLC DCS 系統(tǒng)備件 模塊
備注~歐美進(jìn)口備件,各品牌停產(chǎn)老備件,我們價(jià)格甚優(yōu)!
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編程邏輯控制器(PLC)于60年代末期在美國(guó)首先出現(xiàn), 是70年代發(fā)展起來(lái)的新一代工業(yè)控制裝置, 是自動(dòng)控制、計(jì)算機(jī)和通信技術(shù)相結(jié)合的產(chǎn)物,是一種專(zhuān)門(mén)用于工業(yè)生產(chǎn)過(guò)程控制的現(xiàn)場(chǎng)設(shè)備。 由于可編程邏輯控制器(PLC)具有體積小、抗*力強(qiáng)、可靠性高、應(yīng)用范圍廣和價(jià)格低廉等特點(diǎn), 使其在中小型工業(yè)設(shè)備自動(dòng)控制方面得以廣泛應(yīng)用?;鹆Πl(fā)電廠輔助系統(tǒng), 如除灰系統(tǒng)、補(bǔ)給水處理系統(tǒng)、凝結(jié)水精處理系統(tǒng)、廢水處理系統(tǒng)、輸煤系統(tǒng)等, 普遍應(yīng)用了PLC 控制技術(shù)。 本文主要介紹為賈汪發(fā)電廠4×135MW 機(jī)組水汽品質(zhì)實(shí)時(shí)監(jiān)控系統(tǒng)開(kāi)發(fā)的基于PLC 的控制系統(tǒng)。該系統(tǒng)具有控制功能強(qiáng)、編程簡(jiǎn)單、實(shí)現(xiàn)工藝聯(lián)鎖方便、維護(hù)方便, 可在線修改邏輯等特點(diǎn)。PLC 不僅能完成復(fù)雜的繼電器控制邏輯, 而且也能實(shí)現(xiàn)模擬量的控制, 甚至智能控制, 并能實(shí)現(xiàn)遠(yuǎn)程通訊、聯(lián)網(wǎng)及上位機(jī)監(jiān)控等。 1.工藝要求 賈汪發(fā)電廠水汽品質(zhì)實(shí)時(shí)監(jiān)控系統(tǒng)主要包括水汽監(jiān)測(cè)系統(tǒng)與自動(dòng)加藥控制系統(tǒng)。 水汽監(jiān)測(cè)系統(tǒng)主要采集取樣架儀表變送過(guò)來(lái)的模擬量信號(hào)和開(kāi)關(guān)量信號(hào), 進(jìn)行必要的處理、顯示、保存。對(duì)發(fā)電廠4臺(tái)機(jī)組各個(gè)管道內(nèi)的水或蒸汽的溫度、電導(dǎo)率、pH值、溶氧量、含氧量、含鈉量等進(jìn)行實(shí)時(shí)監(jiān)控, 以便隨時(shí)了解水汽的品質(zhì)。 自動(dòng)加藥控制系統(tǒng)主要包括加氨、加聯(lián)氨、加磷酸鹽等。它由相關(guān)數(shù)據(jù)采集反饋儀表、變頻器、加藥泵等設(shè)備組成, 泵的啟?停及頻率直接由儀表反饋信號(hào)值決定。它的功能是對(duì)水與蒸汽的加藥處理過(guò)程進(jìn)行自動(dòng)控制和調(diào)節(jié), 使處理后水汽的品質(zhì)指標(biāo)達(dá)到要求的范圍。 2.控制系統(tǒng) 水汽品質(zhì)實(shí)時(shí)監(jiān)控系統(tǒng)與水汽取樣架相配套。 系統(tǒng)采集取樣架儀表變送過(guò)來(lái)的模擬量信號(hào)和開(kāi)關(guān)量信號(hào), 進(jìn)行必要的處理后顯示并保存; 系統(tǒng)同時(shí)具有對(duì)加藥系統(tǒng)進(jìn)行實(shí)時(shí)監(jiān)控的功能。本系統(tǒng)I/O 點(diǎn)數(shù)量分別為: DI點(diǎn)120 個(gè)、DO點(diǎn)60個(gè)、AI點(diǎn)124個(gè)、AO點(diǎn)32個(gè)。 系統(tǒng)實(shí)現(xiàn)了以下功能:顯示功能: 通過(guò)操作員站CRT 畫(huà)面對(duì)整個(gè)工藝系統(tǒng)進(jìn)行監(jiān)視, 控制室不設(shè)常規(guī)控制儀表盤(pán)。 CRT屏幕能顯示工藝流程和測(cè)量參數(shù), 以及控制對(duì)象的狀態(tài)。 控制功能: 在控制室能對(duì)現(xiàn)場(chǎng)設(shè)備進(jìn)行遠(yuǎn)程控制, 且可由PLC邏輯實(shí)現(xiàn)處理過(guò)程的自動(dòng)控制。 報(bào)警功能: 當(dāng)設(shè)備運(yùn)行狀態(tài)變化或者現(xiàn)場(chǎng)參數(shù)超過(guò)給定范圍時(shí), 要求按照等級(jí)顯示報(bào)警, 重要設(shè)備和參數(shù)有語(yǔ)音報(bào)警功能。 打印功能: 可以實(shí)現(xiàn)報(bào)表、報(bào)警信息和某重要參數(shù)的歷史數(shù)據(jù)打印功能。 (1)硬件配置 水汽品質(zhì)實(shí)時(shí)監(jiān)控系統(tǒng)由兩臺(tái)工控機(jī)、一個(gè)電源柜、兩個(gè)程控柜及傳感器和二次回路組成。程控柜內(nèi)有雙機(jī)熱備雙網(wǎng)冗余的PLC 可編程控制器一套,程控對(duì)象為水汽品質(zhì)實(shí)時(shí)監(jiān)控系統(tǒng)中的所有設(shè)備。 上位機(jī)主要作為監(jiān)控畫(huà)面與邏輯組態(tài)使用, 使用了西門(mén)子IL40 型工控機(jī)。上位機(jī)運(yùn)行Windows2000 操作系統(tǒng)下的PLC應(yīng)用軟件, 提供圖形、列表、操作等功能, 并可通過(guò)打印機(jī)輸出歷史數(shù)據(jù)。下位機(jī)選用Schneider 電氣公司Modicon TSXQuantum PLC 系列, 作為邏輯編程、信號(hào)處理、時(shí)序控制、PID 控制、數(shù)學(xué)運(yùn)算、過(guò)程控制之用。 本控制方案采用標(biāo)準(zhǔn)的二級(jí)網(wǎng)絡(luò)結(jié)構(gòu), 上層為通用型、開(kāi)放式的以太網(wǎng)(Etheret) , 構(gòu)成管理級(jí)網(wǎng)絡(luò); 下層使用可靠性好、使用簡(jiǎn)便的ModBus Plus(MB+) 協(xié)議, 構(gòu)成控制網(wǎng)絡(luò)。 本PLC系統(tǒng)是雙機(jī)熱備結(jié)構(gòu)。根據(jù)主機(jī)投入的先后, 先投入的一臺(tái)處于主控地位, 另一臺(tái)處于備用狀態(tài)。這兩臺(tái)主機(jī)通過(guò)裝在這兩個(gè)機(jī)架中的熱備模塊不斷地交換信息, 使處于備用狀態(tài)的主機(jī)得到與主控狀態(tài)下的主機(jī)一樣的信息。一旦主控的主機(jī)發(fā)生故障而退出控制時(shí), 后備主機(jī)能無(wú)擾動(dòng)地接過(guò)全部控制, 使控制不致中斷, 有效地提高了系統(tǒng)的可靠性。 I/O 模塊用于與現(xiàn)場(chǎng)設(shè)備的連接, 本系統(tǒng)使用了4只DI (開(kāi)關(guān)量輸入) 模塊、2只DO (開(kāi)關(guān)量輸出)模塊、8只AI(模擬量輸入) 模塊和2只AO (模擬量輸出) 模塊。DI 模塊用來(lái)接收現(xiàn)場(chǎng)的壓力開(kāi)關(guān)、液位開(kāi)關(guān)和狀態(tài)開(kāi)關(guān)等開(kāi)關(guān)量輸入信號(hào)。PLC 提供對(duì)現(xiàn)場(chǎng)輸入干接點(diǎn)的“查詢(xún)”電壓為48V; 開(kāi)關(guān)量輸出模塊對(duì)外輸出DC 24V 電壓, 通過(guò)中間繼電器驅(qū)動(dòng)現(xiàn)場(chǎng)的電動(dòng)機(jī)和電動(dòng)閥門(mén); 模擬量輸入模塊用以接收現(xiàn)場(chǎng)的液位計(jì)、電導(dǎo)儀表等反饋的4~20 mA電流信號(hào), 并將其轉(zhuǎn)換為相應(yīng)的實(shí)際參數(shù); 模擬量輸出模塊對(duì)外提供4~20 mA 電流, 供變頻器或者調(diào)節(jié)閥門(mén)等設(shè)備使用。
NEW GE 118D1366G1 24V-DC GROUND DETECTION PCB CIRCUIT BOARD D486227
NEW GENERAL ELECTRIC GE 137D6710G2 LCU CV AMP A/L PCB CIRCUIT BOARD D486574
NEW GENERAL ELECTRIC GE 137D6721G1 CV AMP PCB CIRCUIT BOARD D486137
DAMETRIC DCM-RM1 REFINER DISC CLEARANCE MONITOR B392105
NEW BAILEY IMMFP03 INFI 90 MULTI-FUNCTION 5V-DC CPU PROCESSOR D465381
NEW GE 118D1575G4 MECHANICAL ELECTRICAL TRIP TEST PCB CIRCUIT BOARD D486916
NEW GE 115D2236G1 MOTOR POSITION INDICATOR PCB CIRCUIT BOARD D486201
NEW GENERAL ELECTRIC GE 115D2234G2 VOLT COMP-PLU PCB CIRCUIT BOARD D486575
NEW GENERAL ELECTRIC GE 125D3609G1 LCU MSV/IV AMP A/L PCB CIRCUIT BOARD D486466
NEW GENERAL ELECTRIC GE 125D3618G1 MSV AMP MSVB-MS PCB CIRCUIT BOARD D486475
MOORE R-39ICM411AAN APACS INDUSTRIAL COMPUTER 24V-DC 1A AMP I/O MODULE B411416
NEW KOMATSU GE0310 XCARD CONTROL PCB CIRCUIT BOARD B486809
NEW GE 186C8105G003 186C8105G2 VALVE POSITION DRIVER PCB CIRCUIT BOARD D486272
NEW GENERAL ELECTRIC GE 115D2235G2 STG PRESS SENSOR PCB CIRCUIT BOARD D486573
NEW GENERAL ELECTRIC GE 125D3607G1 LD RT/ST LM LG I/D PCB CIRCUIT BOARD D486510
NEW GE 169C4740G01 POWER LOAD UNBALANCE ANALOG PCB CIRCUIT BOARD D486145
NEW GENERAL ELECTRIC GE 117D7314G1 REF MON/MTCH LOGIC PCB CIRCUIT BOARD D486267
NEW GENERAL ELECTRIC GE 137D5145G1 AMS SEQUENCE LOGIC PCB CIRCUIT BOARD D486562
NEW GENERAL ELECTRIC GE 117D9147G1 LOAD SET POS CKT PCB CIRCUIT BOARD D486340
NEW SIEMENS 6AV6 545-0DB10-0AX0 SIMATIC MULTI PANEL OPERATOR INTERFACE D464631
NEW GENERAL ELECTRIC GE 118D1576G1 1ST HIT DET PCB CIRCUIT BOARD D486342
NEW BAILEY IMMFP03 INFI 90 MULTI-FUNCTION 10W 5V-DC 10W CPU PROCESSOR B391579
NEW GE 118D1375G2 ELECTRICAL MALFUNCTION BUS PCB CIRCUIT BOARD D486343
NEW HONEYWELL 09437702 PIPD MEASUREX CONTROL PROCESSOR B I/O MODULE B396746
NEW GENERAL ELECTRIC GE 117D6694G2 LD LIMIT SET PCB CIRCUIT BOARD D486204
NEW GENERAL ELECTRIC GE 137D6155G2 CV TEST BIAS CKT PCB CIRCUIT BOARD D486545
NEW GENERAL ELECTRIC GE 133D6571G1 SPD CONT REF A/L PCB CIRCUIT BOARD D486520
BTG BT-5000 UV BRIGHTNESS CONSISTENCY TRANSMITTER B463695
NEW GENERAL ELECTRIC GE 137D5161G1 MOTOR DRIVE PCB CIRCUIT BOARD
NEW ABB DSPC 172H 57310001-MP PROCESSOR UNIT PCB CIRCUIT BOARD
NEW GE 118D1579G1 117D8995G0001 R O CONTROL INT PCB CIRCUIT BOARD
NEW GENERAL ELECTRIC GE 118D1581G3 REM AUTO CONT INT PCB CIRCUIT
MEASUREX 08621100 05412101 MX64+ FM MEMORY PROCESSOR C PCB CIRCUIT BOARD B396278
NEW GENERAL ELECTRIC GE 531X304IBDANG1 PCB CIRCUIT BOARD D457191
NEW GE 125D4413G3 V COMP LOW HYSTERESIS PCB CIRCUIT BOARD D486205
NEW VOITH 422T TURBO 49MMX79MM BORE FLUID COUPLING D428442
NEW METSO POM-RM1 DAMETRIC RMS-SYSTEM POSITION MONITOR PCB
NEW PULSAR TCF-10B FREQUENCY-SHIFT CARRIER TRANSMITTER/RECEIVER
NEW GENERAL ELECTRIC GE 155D8110G1 WARE DETECTOR PCB CIRCUIT
NEW GE 117D9156G1 CUST TRIP STAT BATTERY PCB CIRCUIT BOARD
NEW GENERAL ELECTRIC GE 145D4753G01 AUXILIARY RELAY PCB CIRCUIT
NEW GENERAL ELECTRIC GE 117D6684G2 LOAD SET PCB CIRCUIT BOARD
NEW GENERAL ELECTRIC GE 125D4322G1 STANDBY VC PCB CIRCUIT BOARD
NEW GENERAL ELECTRIC GE 125D3625G4 CH/R-S WRM LOG PCB CIRCUIT
NEW GENERAL ELECTRIC GE 118D1319G2 TBWD POS IND DRIVER PCB
NEW GE 137D5158G3 AMS MOTOR DRIVE CONT PCB CIRCUIT BOARD D486572
NEW GENERAL ELECTRIC GE 118D1596G2 TOTAL CV POS SIG PCB CIRCUIT
NEW GENERAL ELECTRIC GE 1125D3644G2 SB SV CONTROL PCB CIRCUIT
NEW GENERAL ELECTRIC GE 118D1378G1 LD LM/SET RB A/L PCB CIRCUIT
NEW GE 137D6123G0001 GEN-AMS TIME RATIO PCB CIRCUIT BOARD D486147
NEW GENERAL ELECTRIC GE 142D7282G1 MODE CONTROL PCB CIRCUIT BOARD
CATERPILLAR CAT 193-3278 AIR INLET ENGINE 3516B EXHAUST
CATERPILLAR CAT 193-3278 AIR INLET EXHAUST TURBOCHARGER REPLACEMENT PART B490385
NEW ELAU PMC-2/11/08/000/00/00/00/00/0K 400V-AC 8A 24V-DC 2A SERVO DRIVE D415757
BTG TCR-2300 PULPTEC 100-240V-AC CONSISTENCY TRANSMITTER D498285
NEW GE 148D4344G1 COMBINED VALVE LOGIC PCB CIRCUIT BOARD D486347
NEW GENERAL ELECTRIC GE 143D1301G2 AUXILIARY VLV LOGIC PCB
NEW GENERAL ELECTRIC GE 145D2879G02 CV LOGIC PCB CIRCUIT BOARD
NEW GE 137D5164G1 AMS MOTOR DRIVE CIRCUIT PCB CIRCUIT BOARD
NEW GENERAL ELECTRIC GE 125D460BAP2-HI PCB CIRCUIT BOARD D486350
NEW GENERAL ELECTRIC GE 142D7274G3 CV POSITION CONTROL PCB
NEW GENERAL ELECTRIC GE 133D6339G1 LD RT/SET LM 1/D1 PCB CIRCUIT
NEW GENERAL ELECTRIC GE 118D1339G2 ANALOG ISOLATION-2 PCB CIRCUIT
NEW GENERAL ELECTRIC GE 117D7318G4 SPD CONT LOGIC PCB CIRCUIT
NEW GE 115D2255G1 VLV TEST TO POS CONT PCB CIRCUIT BOARD D486515
NEW GENERAL ELECTRIC GE 117D9944G4 MODE SELECTION PCB CIRCUIT
NEW RTP 3000/02 SER 3000 CPU PROCESSOR D452588
NEW DRESSER RAND 15-1/2G-17B STEAM TURBINE SHAFT WHEEL ROTOR
NEW HONEYWELL 51402573-250 HPM UCN REV D INTERFACE MODULE B487585
NEW DODGE 133508 5-7/16IN LINER BEARING D497618
NEW DODGE 133593 5-7/16IN LINER BEARING D497617
NEW ABB 14725G00 ADVAC ADRAC SWITHGEAR BREAKER ELECTRIC RACKING
ABB DCS602-0270-61-15000A0 CONVERTER 295HP 600V-AC 625V-DC MOTOR
NEW ADTRAN 4200321L3 ATLAS 890 DC INTEGRATED ACCESS DEVICE ROUTER
NEW GENERAL ELECTRIC GE 137D6775G1 SPFB TC/MS W/CVT PCB CIRCUIT
NEW HARTNESS INTERNATIONAL SY-64542 I SPIDER PULLEY ASSEMBLY
NEW HONEYWELL MU-FOED02 UCN EXTENDER FIBER OPTIC SIGNAL REV F
NEW INDAG 50074577 SPIDER ASSEMBLY D415155
NEW E2V TECHNOLOGIES 121101 OSCILLATING TRIODE TETRODE VALVE TUBE
NEW GE 117D7783G1 LD/PRESS LIMIT LOGIC PCB CIRCUIT BOARD D486213
ABB 58122203 57443324 SAFT 187 CON SAFT 290F460 PCB CIRCUIT BOARD
NEW ABB EH700C-4 480V-AC 600HP 715A AMP AC CONTACTOR B442270
METSO RM-200MC KAJAANI WIRE RETENTION MEASUREMENT DEVICE ANALYZER
METSO RM-200MC KAJAANI WIRE RETENTION MEASUREMENT DEVICE ANALYZER
ABB DCS602-0450-61-15000A0 375HP 600V-AC 625V-DC 450A AMP DC
ABB DCS602-0270-61-15000A0 POWER CONVERTER 295HP 600V-AC DC MOTOR
NEW OMRON MSF4800S-14-0920 MS4800 STI MINISAFE SAFETY LIGHT
NEW GENERAL ELECTRIC GE 118D1318G1 PLU TRANSFORMER PCB CIRCUIT
NEW GENERAL ELECTRIC GE 137D2118G1 2SV LOGIC PCB CIRCUIT BOARD
NEW DET-TRONICS EQ2100LC EAGLE QUANTUM LOGIC MODULE 18-30V-DC
NEW GE 44C372655-G02 THERMOCOUPLE AMPLIFIER PCB CIRCUIT BOARD
GE 531X305NTBAPG1 ACDC 2000 DRIVE TERMINAL PCB CIRCUIT BOARD
ABB 61049452 SNAT 634 PAC PULSE AMPLIFIER CARD REV D PCB CIRCUIT
NEW GE 1589K26G702 ECCENTRICITY PEAK TO PEAK AMPLIFIER PCB
NEW GENERAL ELECTRIC GE 137D5103G1 SB CONT LOGIC PCB CIRCUIT
NEW BAILEY INIIT03 INFI 90 TRANSFER MODULE 5V-DC 10W CPU PROCESSOR D465407
NEW ES ELETTRONICA SANTERNO ES800/1 PCB CIRCUIT BOARD D464308
LOMA ENGINEERING IQ2 IN-LINE METAL DETECTION SYSTEM B372884
CATERPILLAR CAT 193-3278 TURBOCHARGER TURBO BTLA8503 B484291
NEW BAILEY INICT01 INFI 90 COMPUTER TRANSFER MODULE PCB CIRCUIT
CATERPILLAR CAT 151-5933 TRUCK STEERING VALVE EQUIPMENT REPLACEMENT PART B488949
BTG TCT-2301 PULPTEC TCT-2300 50W 100-240V-AC CONSISTENCY
BTG TCT-2301 PULPTEC TCT-2300 100-240V-AC CONSISTENCY TRANSMITTER
NEW CATERPILLAR CAT 20R-1112 TURBOCHARGER TURBO GP BAS B488673
NEW GENERAL ELECTRIC GE 117D7797G1 PU TEST A/L PCB CIRCUIT BOARD
NEW GENERAL ELECTRIC GE 117D9105G1 TBWD POS IND PCB CIRCUIT BOARD
NEW DODGE 132423 SLEEVOIL 4-15/16IN RTL LINER ASSEMBLY D497461
BTG RET-5300 RETENTION MONITORING SYSTEM 100-240V-AC 60VA CONTROLLER B438032
NEW KOP-FLEX 1960400 6F EB SLEEVE D467750
NEW ALPHA GEAR SP 180-MF2-20 -121-000 20:1 PLANETARY GEAR REDUCER
CATERPILLAR CAT 9T-8931 STEERING VALVE HEAVY EQUIPMENT REPLACEMENT PART B488720
NEW CCI 413461-1 VALVE STACK DISC STAINLESS D399529
NEW VOITH 422TB TURBO 3 IN FLUID COUPLING D382394
NEW FOXBORO N-220S-2F6 CS-N/SRD SPEC 200 CHART RECORDER D452076
NEW PSC 1353521-M STAINLESS RIGHT ANGLE BEVEL ASSEMBLY 1:1 GEAR