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初出陌路
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樓主  發(fā)表于: 2017-06-06 15:00
圖片：
我用兩臺314-2PN/DP之間進(jìn)行以太網(wǎng)通訊，用的是CPU自帶的以太網(wǎng)口，在設置連接類(lèi)型時(shí)只能選擇S7連接，選其他類(lèi)型會(huì )報錯，提示   在本地沒(méi)有相應的CP，  請教大家是怎么回事？（我猜想是因為我沒(méi)有CP343以太網(wǎng)模塊的原因，不知道正確不？）
如果我的猜想正確，那么用S7連接時(shí)，編程是調用FC5 ''AG_SEND''     FC6  ''AG_RECV''     還是FB12 ''BSEND''    FB13  ''BRCV''   ?
xkb1956
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1樓  發(fā)表于: 2017-06-06 16:44
用的是CPU自帶的以太網(wǎng)口，用SFB14.SFB15發(fā)送和接收，單邊編程即可！

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