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ytysy
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樓主  發(fā)表于: 2010-05-24 11:06
最近做了一個(gè)項目，定長(cháng)切斷方面的裝置，利用公司現有的設備PLC+1定位模塊+編碼器+伺服電機做電控部分。PLC 型號為FX2N，定位模塊為FX2N-1PG，編碼器為1000P/R的，設備運行所給出脈沖速率大約為500P/S，由于設備運行穩定行較差，速度變化較大，但是測長(cháng)還是比較準確。調試過(guò)程發(fā)現定長(cháng)很不準，懷疑是PLC型號選擇不當，用的指令為高速脈沖比較指令。請高手指點(diǎn)一下。
tanshuozhe
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1樓  發(fā)表于: 2010-05-29 16:23
用這樣的方式定位能準才見(jiàn)鬼!
還不如直接用1PG做開(kāi)環(huán)的脈沖定位好用.
[url=http://ip.ipwind.cn][img]http://ip.ipwind.cn/msn.png[/img][/url]

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