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【RS-485总线】RS-485网络该如何加终端电阻?
RS-485总线具有结构简单、成本低等优点,但各位工程师在组建RS-485总线网络时,为提升整个网络通信的可靠性,想必会经常会遇到一个问题:需不需要加终端电阻呢?本文将为你解答。 终端电阻的作用 对于RS-485总线,终端电阻主要是为了匹配通信线的特性 ...
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