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rain123w
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樓主  發(fā)表于: 2007-06-17 08:40
 我這有五臺變頻器分別控制五臺電機,分為兩組,一組兩臺,一組三臺,和PLC以及觸摸屏連接,每組電機之間按一定的比例調節轉速(化工輸送用),當沒(méi)組電機轉速調好后,可以單獨調節每組的轉速(組內每臺間的比例不變).我這以前用的是AB公司的PLC和觸摸屏,YASKAWA的變頻器,我想再做一組全用MITSUBISHI.想請教一下大家怎樣才能使;單獨調節每組的轉速(組內每臺間的比例不變)?     具體程序怎樣編,梯形圖也可以,望高手指點(diǎn)
wxh0734
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1樓  發(fā)表于: 2007-06-17 09:59
圖片:
如果你采用全三菱配置就好辦多了,三菱FX3U有直接讀寫(xiě)三菱變頻器的指令
不過(guò)在紡織,造紙等行業(yè),采用其它品牌的變頻器比較多,RS485還是要學(xué)一點(diǎn)的,呵呵我也不懂啊
cjhua810812
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2樓  發(fā)表于: 2007-06-18 18:27
學(xué)如逆水行舟, 不進(jìn)則退
- -lonely-wolf

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