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thinkwy
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樓主  發(fā)表于: 2008-11-01 19:06
plc中的定時(shí)器比如T1,設定值是500秒,當信號接通時(shí)(假設X5),t1開(kāi)始計時(shí),當計時(shí)到150秒時(shí),X5斷開(kāi),要保留這150秒的值,當x5重新接通時(shí),計時(shí)從150秒開(kāi)始計,當x5再次斷開(kāi)時(shí),仍要保留這計時(shí)器,請問(wèn)怎么編程
kawasakilu
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1樓  發(fā)表于: 2008-11-09 16:27
積算定時(shí)器可以排上用場(chǎng),不過(guò)你不能要求定時(shí)器的編號一定是“T1”。

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