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wycxks
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樓主  發(fā)表于: 2016-06-14 18:37
今天看到一臺設備,信捷的XC3,一般的開(kāi)關(guān)量控制些繼電器接觸器變頻器什么的加兩路溫度,我問(wèn)廠(chǎng)家為什么用晶體管的機型,廠(chǎng)家說(shuō)繼電器的容易壞輸出點(diǎn),我就不明白了信捷的PLC輸出繼電器有那么差么?說(shuō)實(shí)在的除了幾個(gè)電磁閥容易把點(diǎn)燒壞(必要的話(huà)加中繼再加RC吸收),其它沒(méi)必要晶體管加微型中繼再控制繼電器或接觸器吧
小八哥
電話(huà)15394301768 QQ815360919 慈溪余姚
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1樓  發(fā)表于: 2016-06-14 20:00
信捷質(zhì)量不錯啊  還沒(méi)碰到過(guò)壞的 從開(kāi)始到現在 應該用了100多套了吧
小八哥
電話(huà)15394301768 QQ815360919 慈溪余姚
級別: 工控俠客
精華主題: 0
發(fā)帖數量: 589 個(gè)
工控威望: 2145 點(diǎn)
下載積分: 2258 分
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2樓  發(fā)表于: 2016-06-14 20:11
你們不會(huì )做pid控制了吧

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