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黃堆才
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發(fā)帖數量: 253 個(gè)
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在線(xiàn)時(shí)間: 148(小時(shí))
注冊時(shí)間: 2008-07-20
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樓主  發(fā)表于: 2017-03-05 19:24
老師們請問(wèn)有兩個(gè)SMART700IE屏幕，程序是一樣的，兩個(gè)屏之間怎么用485相互通訊？(以太網(wǎng)口另有用處)。謝謝
黃堆才
級別: 略有小成
精華主題: 0
發(fā)帖數量: 253 個(gè)
工控威望: 317 點(diǎn)
下載積分: 7096 分
在線(xiàn)時(shí)間: 148(小時(shí))
注冊時(shí)間: 2008-07-20
最后登錄: 2025-06-08
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1樓  發(fā)表于: 2017-03-05 20:02
有9個(gè)屏幕，，SMARTPLC用交換機最多只能帶8個(gè)屏幕，而且交換機已經(jīng)買(mǎi)了個(gè)8口的，不過(guò)用，
黃堆才
級別: 略有小成
精華主題: 0
發(fā)帖數量: 253 個(gè)
工控威望: 317 點(diǎn)
下載積分: 7096 分
在線(xiàn)時(shí)間: 148(小時(shí))
注冊時(shí)間: 2008-07-20
最后登錄: 2025-06-08
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2樓  發(fā)表于: 2017-03-05 20:57
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