廈門泰尼電氣有限公司
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- 140XTS10206140XTS102 產(chǎn)品型號
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訪問次數(shù):213更新時間:2017-02-27 13:32:35
(4)維修方便:這是因為:
①PLC工作可靠,出現(xiàn)故障的情況不多,這大大減輕了維修的工作量。這在講述PLC的第三個特點時,還將進一步介紹。
②即使PLC出現(xiàn)故障,維修也很方便。這是因為PLC都設有很多故障提示信
140XTS10206
140XTS10206
高可靠性是電氣控制設備的關(guān)鍵性能。PLC由于采用現(xiàn)代大規(guī)模集成電路
集成電路是采用半導體制作工藝,在一塊較小的單晶硅片上制作上許多晶體管及電阻器、電容器等元器件,并按照多層布線或遂道布線的方法將元器件組合成完整的電子電路。它在電路中用字母"IC"(也有用文字符號"N"等)表示。
技術(shù),采用嚴格的生產(chǎn)工藝制造,內(nèi)部電路采取了*的抗干擾技術(shù),具有很高的可靠性。使用PLC構(gòu)成控制系統(tǒng),和同等規(guī)模的繼電接觸器
接觸器是一種應用廣泛的開關(guān)電器。接觸器主要用于頻繁接通或分斷交、直流主電路和大容量的控制電路,可遠距離操作,配合繼電器可以實現(xiàn)定時操作,聯(lián)鎖控制及各種定量控制和失壓及欠壓保護,廣泛應用于自動控制電路,其主要控制對象是電動機,也可用于控制其它電力負載,如電熱器、照明、電焊機、電容器組等。 [全文]
系統(tǒng)相比,電氣接線及開關(guān)接點已減少到數(shù)百甚至數(shù)千分之一,故障也就大大降低。此外,PLC帶有硬件故障自我檢測功能,出現(xiàn)故障時可及時發(fā)出警報信息。在應用軟件中,應用者還可以編入外圍器件的故障自診斷程序,使系統(tǒng)中除PLC以外的電路及設備也獲得故障自診斷保護。這樣,整個系統(tǒng)的可靠性*。
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EUROTHERM CONTROLS Circuit Board # AE131241D Rev 013
Honeywell Excel 10 Smart VAV Controller W7751 H2017
Dec DS-TZ89N-VW 35/70gb Blue Canister
TDK Power Supply 100-120/200-240VAC SS-PSU-500 19877-06
Associated Research Vibroground 263 Resistance Tester
SUN 501-4884 SUN Graphic UPA I/O Board Real INV 5014790
Festo SLZ-50-100-KF-AK-CV-CH 145 PSI Guide Cylinder
Quarter Master Chief Valve Actuator S92XWJ
WESTINGHOUSE Alto 818SX ACCESS CONTROL ALARM 8 DOOR
Festo Slide Guide Unit 34509 FENG-50-200 KT FENG50200
Corbin Russwin Mortise Lock RH ML2057 NSN 626
UFM FLOW MONITOR TYPE 12-13 WVM50GM-10-A1NR
ROSEMOUNT ALPHALINE TRANSMITTER 1151GP9E12B2E6
SPECTRONICS 624/MXADM NSFP 624MXADM
EG&G EC Electrochemical Detector Model 400 Rev
DANIEL INDUSTRIES 3-2251-007 NSPP 32251007
SUN 501-4882-10 CPU Memory Board w/ MT18LDT1672FSG-6
INGERSOLL RAND GRINDER 88V60P107 7" 6000 RPM
Rees 04925-229 Heavy Duty Selector Switch 04925229
HP Designjet Z3100 24-in Printer PCA Q5669-60245
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Proto 3 11/16" x 1 1/2 15059 Impact Drive Socket 1.5
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General Radio 1433-K Decade Resistor 1433K
OMEGA FP85A SIGNAL CONDITIONERS FLOW SENSORS
GENUINE 6310245-45 Compaq 110 220GB Hot Swap SDLT LVD
Brad Harrison 301000C11F500
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3 Allen-Bradley Photoswitch 42GRL-9002-QD
Hastings 5331 Elbow Connector Tool for Hotsticks & shot