MVI69L-MBTCP
MVI69L-MBTCP
廈門莫格電氣自動(dòng)化有限公司
：祖
：
（同號(hào)）
：1811245942
：1811245942
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PLC的輸入、輸出設(shè)備
輸入電路是PLC接受開關(guān)量、模擬量等輸入信號(hào)的端口，其元器件質(zhì)量的優(yōu)劣、接線方式及是否牢靠也是影響控制系統(tǒng)可靠性的重要因素。以開關(guān)量輸入為例，按鈕、行程開關(guān)的觸點(diǎn)接觸要保持在良好狀態(tài)，接線要牢固可靠。機(jī)械限位開關(guān)是容易產(chǎn)生故障的元件，設(shè)計(jì)時(shí)，應(yīng)盡量選用可靠性高的接近開關(guān)代替機(jī)械限位開關(guān)。此外，按鈕觸點(diǎn)的選擇也影響到系統(tǒng)的可靠性。在設(shè)計(jì)電路時(shí)，應(yīng)盡量選用可靠性高的元器件，對(duì)于模擬量輸入信號(hào)來說，常用的有4～20mA、0～20mA直流電流信號(hào)；0～5V、0～10V直流電壓信號(hào)，電源為直流24V.
對(duì)于開關(guān)量輸出來說，PLC的輸出有繼電器輸出、晶閘管輸出、晶體管輸出三種形式，具體選擇哪種形式的輸出應(yīng)根據(jù)負(fù)載要求來決定，選擇不當(dāng)會(huì)使系統(tǒng)可靠性降低，嚴(yán)重時(shí)導(dǎo)致系統(tǒng)不能正常工作。如晶閘管輸出只能用于交流負(fù)載，晶體管輸出只能用于直流負(fù)載。此外，PLC的輸出端子帶負(fù)載能力是有限的，如果超過了規(guī)定的zui大限值，必須外接繼電器或接觸器，才能正常工作。外接繼電器、接觸器、電磁閥等執(zhí)行元件的質(zhì)量，是影響系統(tǒng)可靠性的重要因素。常見的故障有線圈短路、機(jī)械故障造成觸點(diǎn)不動(dòng)或接觸不良。這一方面可以通過選用高質(zhì)量的元器件來提高可靠性，另一方面，在對(duì)系統(tǒng)可靠性及智能化要求較高的場(chǎng)合，可以根據(jù)電路中電流異常的情況對(duì)輸出單元的一些重點(diǎn)部位進(jìn)行診斷，當(dāng)檢測(cè)到異常信號(hào)時(shí)，系統(tǒng)按程序自動(dòng)轉(zhuǎn)入故障處理，從而提高系統(tǒng)工作的可靠性。若PLC輸出端子接有感性元件，則應(yīng)采取相應(yīng)的保護(hù)措施，以保護(hù)PLC的輸出觸點(diǎn)。
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
