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我直接在官网买的65176 客户说RS485的传输速率达不到 请问是什么原因
您好，客户想达到多大的传输速率达不到？传输速率和cable距离有关系，cable越长，速率越低。
建议客户将问题描述详细些，比如总线上使用了多少节点，cable多长，电路图可以附上看下。
