PLC VT2010S42 的特點(diǎn)
可靠性高，抗干擾能力強(qiáng)
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(yán)格的生產(chǎn)工藝制造，內(nèi)部電路采取了先進(jìn)的抗干擾技術(shù)，具有很高的可靠性。例如三菱公司生產(chǎn)的F系列PLC平均無(wú)故障時(shí)間高達(dá)30萬(wàn)小時(shí)。一些使用冗余CPU的PLC的平均無(wú)故障工作時(shí)間則更長(zhǎng)。從PLC的機(jī)外電路來(lái)說(shuō)，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(xiàn)及開(kāi)關(guān)接點(diǎn)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(cè)功能，出現(xiàn)故障時(shí)可及時(shí)發(fā)出警報(bào)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(hù)。這樣，整個(gè)系統(tǒng)具有極高的可靠性也就不奇怪了。
配套齊全，功能完善，適用性強(qiáng)
PLC VT2010S42 發(fā)展到今天，已經(jīng)形成了大、中、小各種規(guī)模的系列化產(chǎn)品?？梢杂糜诟鞣N規(guī)模的工業(yè)控制場(chǎng)合。除了邏輯處理功能以外，現(xiàn)代PLC大多具有完善的數(shù)據(jù)運(yùn)算能力，可用于各種數(shù)字控制領(lǐng)域。近年來(lái)PLC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(qiáng)及人機(jī)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。
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