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李小響
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樓主  發(fā)表于: 2013-12-10 08:48
想自己買(mǎi)點(diǎn)元件在家里接接線(xiàn)，去市場(chǎng)了也說(shuō)不清楚買(mǎi)什么型號的。買(mǎi)的接近開(kāi)關(guān)是兩線(xiàn)的220vAC，能往plc輸入接嗎？另外買(mǎi)的繼電器店主說(shuō)是220v的，這個(gè)控制電壓與被控制電壓有規格嗎？大俠們看到俺提的問(wèn)題就知道是菜鳥(niǎo)了。求指教��！謝謝……
xuliuqing200
生活就是你想的，想甜就甜，想苦就苦
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1樓  發(fā)表于: 2013-12-10 15:05
220VAC接近開(kāi)關(guān)不可以直接接PLC，可以接個(gè)中間繼電器，繼電器220V是指線(xiàn)圈電壓是220v，線(xiàn)圈得220v電壓接觸器吸合

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