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13423698135
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樓主  發(fā)表于: 2019-03-12 21:16
如題，S7-1200與3臺G120變頻器profinet通訊，怎么組態(tài)？怎么接線(xiàn)？需要交換機嗎？還是像MODBUS一樣接線(xiàn)方式。求大俠們指點(diǎn)。有通訊例子程序發(fā)我郵箱243215403@qq.com非常感謝！
溫柔的郎
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1樓  發(fā)表于: 2019-07-26 11:50
有2個(gè)網(wǎng)口的，本身就自帶交換機功能，可以不用交換機，直接用網(wǎng)線(xiàn)把設備串聯(lián)起來(lái)就行了，沒(méi)有2個(gè)網(wǎng)口的，就得用交換機來(lái)交換了

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