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simon896
野驢快跑
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樓主  發(fā)表于: 2010-04-26 15:55
用西門(mén)子S7-200的PLC控制，3臺漢鐘RC2系列3段的三臺并聯(lián)螺桿壓縮機，有六間冷庫，分為兩組，一次最多制冷三臺庫，請問(wèn)怎么做？
如果用吸氣壓力做壓縮機的開(kāi)啟，但只開(kāi)了一臺壓縮機，有三冷庫都需制冷怎么辦？給溫度信號反饋，會(huì )不會(huì )導致壓縮機壓力超過(guò)設定范圍而停機？
有高手請指教！
如有差不多的程序請發(fā)
郵箱：simon8_7@hotmail.com
豐胸的四種結果.....
1、大不一樣
2、不大一樣
3、一樣不大
4、不一樣大
xiaoqizi
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1樓  發(fā)表于: 2010-04-27 09:56
可以用PID調節來(lái)控制壓機的工作臺數及加載卸載用溫度區間控制也行,至于過(guò)載只要噴液程序設計得當應該不至于.

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