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kevin4433
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樓主  發(fā)表于: 2011-10-18 20:09
小弟現在有3臺梅特勒-托利多的秤重儀表想與1臺FX2N組網(wǎng)。
秤重儀表有232和485接口,可以連續發(fā)送數據,但是485不帶地址,不能點(diǎn)對多組網(wǎng),求教有沒(méi)有什么簡(jiǎn)單的辦法讓PLC能讀取3臺儀表的重量數據?
[ 此帖被kevin4433在2011-10-19 11:29重新編輯 ]
daizhi
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1樓  發(fā)表于: 2011-10-19 17:34
簡(jiǎn)單看了下,此款機機主要是支持網(wǎng)絡(luò )通訊,弱化了串口,用以太網(wǎng)、PROFIBUS、DeviceNet倒是可以一對多!
不過(guò)注意到官網(wǎng)上有個(gè)圖片,通過(guò)一轉接裝置接了4個(gè)傳感器
daizhi
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2樓  發(fā)表于: 2011-10-24 16:41
FX2N的485模塊RS指令來(lái)通訊:
其核心是單獨發(fā)送、單獨接收之間的切換

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