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[問題求助] 請問各大,有什麼方式可讓 rs485 bus 接 2000 個 rs485 通訊模組 |
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發表於 2014-8-20 20:51:42
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發表於 2014-8-20 22:12:42
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發表於 2014-8-21 00:08:44
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發表於 2014-8-21 07:21:34
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發表於 2014-8-26 22:07:59
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