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RS-485总线通信在各远程数据传输中使用广泛。本文简单介绍了RS-485通讯原理、使用要点及几种常见的485通讯中可能引起传输故障的原因及分析,方便以后工作的的故障判断及日常检修。
RS-485 bus communication is widely used in various remote data transmission. This article briefly introduces the RS-485 communication principle, the use of points and several common 485 communication may cause transmission failure of the reasons and analysis to facilitate the future work of the fault judgment and routine maintenance.