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xiaoyekong
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樓主  發(fā)表于: 2011-05-27 10:11
本人正試驗一些東西,有一臺設備,其主要機構由伺服電機驅動(dòng),本人使用了西門(mén)子plc200的功能,PTO多段脈沖包絡(luò )式輸出來(lái)驅動(dòng)電機,然后有一光柵尺與機構一體的,用來(lái)檢測它的位置,現在問(wèn)題就來(lái)了,要求機構達到規定的距離以后就要有中斷事情發(fā)生,我可以用光柵來(lái)判斷其位置,但是如果開(kāi)機的時(shí)候機構不在原點(diǎn)位置,那就達不到要求了,所以一開(kāi)始的時(shí)候就要判斷位置,并且歸原點(diǎn),但是怎么做可以歸原點(diǎn)呢?有請高手解答。以上是本人的一些想法。

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