MVI56-PDPMV1
高可靠性是電氣控制設(shè)備的關(guān)鍵性能。PLC由于采用現(xiàn)代大規(guī)模集成電路技術(shù)，采用嚴格的生產(chǎn)工藝制造，內(nèi)部電路采取了先進的抗干擾技術(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(yīng)用軟件中，應(yīng)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(shè)備也獲得故障自診斷保護。這樣，整個系統(tǒng)將極高的可靠性。
2．配套齊全，功能完善，適用性強
PLC發(fā)展到今天，已經(jīng)形成了各種規(guī)模的系列化產(chǎn)品，可以用于各種規(guī)模的工業(yè)控制場合。除了邏輯處理功能以外，PLC大多具有完善的數(shù)據(jù)運算能力，可用于各種數(shù)字控制領(lǐng)域。多種多樣的功能單元大量涌現(xiàn)，使PLC滲透到了位置控制、溫度控制、CNC等各種工業(yè)控制中。加上PLC通信能力的增強及人機界面技術(shù)的發(fā)展，使用PLC組成各種控制系統(tǒng)變得非常容易。
Parker Hydraulic Pump Pressure Comp Piston 32GPM P2075P
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PARKER PRESSURE DRIVER CARD 801179 **NICE**
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Parker 3000 PSI Hyd Pressure Cylinder 03.25JJ2HTS #6078
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PARKER A810E FLO-CON OUTLET PRESSURE REGULATOR 85272
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Parker Low Pressure Regulator SQMICRO130E602PFSMM New
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Parker Hydraulic Pressure Reducing Valve
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7134 NEW Parker A4A Pressure Regulator 1"
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