MVI69-DFNT
MVI69-DFNT
【廈門莫格電氣自動(dòng)化有限公司】
【本公司擁有所有產(chǎn)品專業(yè)檢測(cè)平臺(tái),產(chǎn)品質(zhì)量嚴(yán)格把關(guān)】
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1.PLC的類型
PLC按結(jié)構(gòu)分為整體型和模塊型兩類,按應(yīng)用環(huán)境分為現(xiàn)場(chǎng)安裝和控制室安裝兩類;按CPU字長(zhǎng)分為1位、4位、8位、16位、32位、64位等。從應(yīng)用角度出發(fā),通常可按控制功能或輸入輸出點(diǎn)數(shù)選型。整體型PLC的I/O點(diǎn)數(shù)固定,因此用戶選擇的余地較小,用于小型控制系統(tǒng);模塊型PLC提供多種I/O卡件或插卡,因此用戶可較合理地選擇和配置控制系統(tǒng)的I/O點(diǎn)數(shù),功能擴(kuò)展方便靈活,一般用于大中型控制系統(tǒng)。
2.輸入輸出模塊的選擇
輸入輸出模塊的選擇應(yīng)考慮與應(yīng)用要求的統(tǒng)一。例如對(duì)輸入模塊,應(yīng)考慮信號(hào)電平、信號(hào)傳輸距離、信號(hào)隔離、信號(hào)供電方式等應(yīng)用要求。對(duì)輸出模塊,應(yīng)考慮選用的輸出模塊類型,通常繼電器輸出模塊具有價(jià)格低、使用電壓范圍廣、壽命短、響應(yīng)時(shí)間較長(zhǎng)等特點(diǎn);可控硅輸出模塊適用于開關(guān)頻繁,電感性低功率因數(shù)負(fù)荷場(chǎng)合,但價(jià)格較貴,過載能力較差。輸出模塊還有直流輸出、交流輸出和模擬量輸出等,與應(yīng)用要求應(yīng)*。可根據(jù)應(yīng)用要求,合理選用智能型輸入輸出模塊,以便提高控制水平和降低應(yīng)用成本??紤]是否需要擴(kuò)展機(jī)架或遠(yuǎn)程I/O機(jī)架等。
3.電源的選擇
PLC的供電電源,除了引進(jìn)設(shè)備時(shí)同時(shí)引進(jìn)PLC應(yīng)根據(jù)產(chǎn)品說明書要求設(shè)計(jì)和選用外,一般PLC的供電電源應(yīng)設(shè)計(jì)選用220VAC電源,與國(guó)內(nèi)電網(wǎng)電壓*。重要的應(yīng)用場(chǎng)合,應(yīng)采用不間斷電源或穩(wěn)壓電源供電。如果PLC本身帶有可使用電源時(shí),應(yīng)核對(duì)提供的電流是否滿足應(yīng)用要求,否則應(yīng)設(shè)計(jì)外接供電電源。為防止外部高壓電源因誤操作而引入PLC,對(duì)輸入和輸出信號(hào)的隔離是必要的,有時(shí)也可采用簡(jiǎn)單的二極管或熔絲管隔離。
4.存儲(chǔ)器的選擇
由于計(jì)算機(jī)集成芯片技術(shù)的發(fā)展,存儲(chǔ)器的價(jià)格已下降,因此,為保證應(yīng)用項(xiàng)目的正常投運(yùn),一般要求PLC的存儲(chǔ)器容量,按256個(gè)I/O點(diǎn)至少選8K存儲(chǔ)器選擇。需要復(fù)雜控制功能時(shí),應(yīng)選擇容量更大,檔次更高的存儲(chǔ)器。
POWER-ONE 24VDC 3.6A DC POWER SUPPLY HN24-3.6-A NIB
AEG MODICON 115V .3A 50/60Hz POWER SUPPLY 110CPU31101
ACOPIAN REGULATED POWER SUPPLY VA24MT
NUMATICS FILTER F32D-04 W/ R32R-04
LAMBDA JWS50-24/A 100-240 VAC 50/60 HERTZ POWER SUPPLY, NIB
GENERAL ELECTRIC POWER SUPPLY BOARD F31X111PSHAFG1 FR00/0 / 531X111PSHAGG1
HONEYWELL POWER SUPPLY UNIT 46182895-001
MURR ELEKTRONIK 24V 50A DC POWER SUPPLY 85798 MDG 50-208-520/24V DC/50A
EGS SOLO HEVI-DUTY 24 VDC/2.5A POWER SUPPLY SDN 2.5-24-100P
RELIANCE ELECTRIC RECTIFIER POWER CUBE 701819-19AW
NUMATICS 110-120V 50-60HZ .12AMPS 150PSIG-AIR SOLENOID VALVE 153SS415K00003
ACOPIAN 24VDC REGULATED DC POWER SUPPLY VA24MT210
CONDOR D.C POWER SUPPLIES INC. 02-32281-0001 REV F CIRCUIT BOARD
MODICON 115V 60HZ POWER SUPPLY P420
YASKAWA * POWER BOARD REV.D13 * JANCD-MTV01
DEEMS*10/250V POWER SUPPLY UNIT PSU-C/150
IAI 24 VDC POWER SUPPLY PS-241
FANUC ROBOTICS POWER SUPPLY BOARD A16B-1212-0470
USHIO HALOGEN PROJECTOR LAMP BULB JCR 9.5V 55W NIB
GENERAL ELECTRIC MFC/POWER SUPPLY CARD F31X111PSHARG1 / 531X121PSHASG1
FANUC ANALOG INPUT MODULE AD04A A03B-0801-C052 CONTACT SCREW MISSING
TOWER ELECTRONICS 100-240V 0.8A 50/60HZ VIDEOJET DC POWER SUPPLY, 100-0470
ALLEN BRADLEY SLC 500 13 SLOT RACK 1746-A13 SER. B W/ POWER SUPPLY 1746-PS SER
APPLETON 3/4" UNILET APP FSC-1-75 NIB
SOLA POWER SUPPLY 115/230VAC 50-60HZ SDN 4-24-100
POWER-ONE POWER SUPPLY NIB HB5-3/0VP-A
ADVANCE TRANSFORMER MARK III ENERGY SAVER SLIMLINE BALLAST V-2E75-S-2-TP
APPLETON 3/4" MALL IRON FS-FD CD 2GA CONDUIT FSC-2-75 NIB
EUPEC INFINEON THYRISTOR T548N18 TOF 3M4
FUJI ELECTRIC 4N26 2D1150A-50 POWER MODULE EVM31-050A
EGS HEVI-DUTY 240/480V 60Hz 1PH 3.0kVa TRAMSFORMER HS5F3AS
SIERRACIN 5A12A DC POWER SUPPLY REPAIRED
MATSUSHITA 5VDC 20A POWER SUPPLY ETU-5G200L2 104500
TOGI * TERMINAL BLOCK * PCN-4F40
ALLEN BRADLEY MINI-PLC-2/17 PROCESSOR W/POWER SUPPLY 1772-LWP D
STANDARD POWER SPS 15-5 POWER SUPPLY
BRAD HARRISON MICRO-CHANGE ASSEMBLIES 4-POLEMALE/FEMA?LE ST/ST 6M 18/4 AWG
GOULD SHAWMUT FUSE HOLDERS 3 POLE 60308 600V.30A. LOT OF 2
HOFFMAN TYPE 12,13 INDUSTRIAL CONTROL PANEL ENCLOSURE A-382 E-1PBX
AMPCO / GREENFIELD 31/64", 500-A TAPER SHANK DRILL SH-50 *NEW, UNOPENED*
CONTROL AIR 100-BAT 1/4" NPT 2-40PSI NIB
OMRON 24VDC 7A POWER SUPPLY S82F-1524 *BROKEN PLASTIC*
HEWLETT PACKARD Q1338A BLACK COMPATIBLE LASER CARTRIDGE FOR USE IN HP NIB