#trs_autoadd_1216342926578 { margin-top: 0px; font-size: 12pt; margin-bottom: 0px; line-height: 1.5; font-family: 宋体 } #trs_autoadd_1216342926578 p { margin-top: 0px; font-size: 12pt; margin-bottom: 0px; line-height: 1.5; font-family: 宋体 } #trs_autoadd_1216342926578 td { margin-top: 0px; font-size: 12pt; margin-bottom: 0px; line-height: 1.5; font-family: 宋体 } #trs_autoadd_1216342926578 div { margin-top: 0px; font-size: 12pt; margin-bottom: 0px; line-height: 1.5; font-family: 宋体 } #trs_autoadd_1216342926578 li { margin-top: 0px; font-size: 12pt; margin-bottom: 0px; line-height: 1.5; font-family: 宋体 } /**---json-- {"":{"line-height":"1.5","font-family":"宋体","font-size":"12pt","margin-top":"0","margin-bottom":"0"},"p":{"line-height":"1.5","font-family":"宋体","font-size":"12pt","margin-top":"0","margin-bottom":"0"},"td":{"line-height":"1.5","font-family":"宋体","font-size":"12pt","margin-top":"0","margin-bottom":"0"},"div":{"line-height":"1.5","font-family":"宋体","font-size":"12pt","margin-top":"0","margin-bottom":"0"},"li":{"line-height":"1.5","font-family":"宋体","font-size":"12pt","margin-top":"0","margin-bottom":"0"}} --**/ 摘 要：随着水利信息化建设的发展，很多现场总线在水利行业得到了应用，其中，rs485现场总线凭借其组网方便、扩展灵活、传输距离远、抗干扰能力强得到了广泛的应用，本文介绍了rs485总线的特点、施工规范、使用过程中容易出现的故障及其解决办法。

关键词：水利信息化 现场总线 rs485

abstract：with the information construction of water conservancy development, many in the water industry fieldbus has been applied, which, by virtue of its rs485 f