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gaogaiga
新會(huì )是全廣東工資最低。
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樓主  發(fā)表于: 2008-07-04 16:22
請問(wèn)S7-200的21X系列和22X系列有什么分別呢？
我現在想學(xué)習S7-200打算買(mǎi)臺2手PLC來(lái)練習下，選哪個(gè)系列的好呢？（21X系列當然便宜點(diǎn)了）
sjm213
有小知識，無(wú)大學(xué)問(wèn)。
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1樓  發(fā)表于: 2008-07-04 17:33
22X是21X的升級產(chǎn)品。

個(gè)人建議22X系列。

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