C#程序源码Modbus RS485 RTU 主站源码程序用VS2019 C#编写功能码支持01 02 03 04 05 06 0F 10经过测试可以与RS485从站设备进行通
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C#程序源码Modbus RS485 RTU 主站源码程序用VS2019 C#编写功能码支持01 02 03 04 05 06 0F 10经过测试可以与RS485从站设备进行通讯。 <link href="/image.php?url=https://csdnimg.cn/release/download_crawler_static/css/base.min.css" rel="stylesheet"/><link href="/image.php?url=https://csdnimg.cn/release/download_crawler_static/css/fancy.min.css" rel="stylesheet"/><link href="/image.php?url=https://csdnimg.cn/release/download_crawler_static/90274152/2/raw.css" rel="stylesheet"/><div id="sidebar" style="display: none"><div id="outline"></div></div><div class="pf w0 h0" data-page-no="1" id="pf1"><div class="pc pc1 w0 h0"><img alt="" class="bi x0 y0 w1 h1" src="/image.php?url=https://csdnimg.cn/release/download_crawler_static/90274152/bg1.jpg"/><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">Modbus RS485<span class="_ _0"> </span><span class="ff2">是一种常见的通信协议<span class="ff3">，</span>在工业控制系统中被广泛应用<span class="ff4">。</span>本文将介绍使用<span class="_ _1"> </span></span>C#<span class="ff2">编写的</span></div><div class="t m0 x1 h2 y2 ff1 fs0 fc0 sc0 ls0 ws0">Modbus RS485 RTU<span class="_ _0"> </span><span class="ff2">主站源码程序<span class="ff3">，</span>并说明其功能码的支持情况以及与<span class="_ _1"> </span></span>RS485<span class="_ _0"> </span><span class="ff2">从站设备的通信测试</span></div><div class="t m0 x1 h2 y3 ff2 fs0 fc0 sc0 ls0 ws0">结果<span class="ff4">。</span></div><div class="t m0 x1 h2 y4 ff1 fs0 fc0 sc0 ls0 ws0">1.<span class="_ _2"> </span><span class="ff2">引言</span></div><div class="t m0 x1 h2 y5 ff1 fs0 fc0 sc0 ls0 ws0">Modbus RS485<span class="_ _0"> </span><span class="ff2">是一种串行通信协议<span class="ff3">，</span>常用于连接主站和从站设备之间的数据通信<span class="ff4">。</span>该协议具有简单</span></div><div class="t m0 x1 h2 y6 ff4 fs0 fc0 sc0 ls0 ws0">、<span class="ff2">可靠</span>、<span class="ff2">易于实现和广泛支持的特点<span class="ff3">，</span>因此被广泛应用于工业自动化领域</span>。<span class="ff2">本文将介绍一款使用<span class="_ _1"> </span><span class="ff1">C#</span>编</span></div><div class="t m0 x1 h2 y7 ff2 fs0 fc0 sc0 ls0 ws0">写的<span class="_ _1"> </span><span class="ff1">Modbus RS485 RTU<span class="_ _0"> </span></span>主站源码程序<span class="ff3">，</span>该程序可以支持常用的功能码<span class="ff3">，</span>包括<span class="_ _1"> </span><span class="ff1">01<span class="ff3">（</span></span>读取线圈状态</div><div class="t m0 x1 h2 y8 ff3 fs0 fc0 sc0 ls0 ws0">）<span class="ff4">、<span class="ff1">02</span></span>（<span class="ff2">读取输入状态</span>）<span class="ff4">、<span class="ff1">03</span></span>（<span class="ff2">读取保持寄存器</span>）<span class="ff4">、<span class="ff1">04</span></span>（<span class="ff2">读取输入寄存器</span>）<span class="ff4">、<span class="ff1">05</span></span>（<span class="ff2">写单个线圈状态</span></div><div class="t m0 x1 h2 y9 ff3 fs0 fc0 sc0 ls0 ws0">）<span class="ff4">、<span class="ff1">06</span></span>（<span class="ff2">写单个保持寄存器</span>）<span class="ff4">、<span class="ff1">0F</span></span>（<span class="ff2">写多个线圈状态</span>）<span class="ff2">和<span class="_ _1"> </span><span class="ff1">10</span></span>（<span class="ff2">写多个保持寄存器</span>）<span class="ff4">。</span></div><div class="t m0 x1 h2 ya ff1 fs0 fc0 sc0 ls0 ws0">2.<span class="_ _2"> </span><span class="ff2">主站源码程序的设计与实现</span></div><div class="t m0 x1 h2 yb ff2 fs0 fc0 sc0 ls0 ws0">本节将介绍主站源码程序的设计思路和实现细节<span class="ff4">。</span>该程序使用<span class="_ _1"> </span><span class="ff1">Visual Studio 2019<span class="_ _0"> </span></span>和<span class="_ _1"> </span><span class="ff1">C#</span>语言编</div><div class="t m0 x1 h2 yc ff2 fs0 fc0 sc0 ls0 ws0">写<span class="ff4">。</span>在程序设计过程中<span class="ff3">，</span>我们遵循了良好的结构设计原则和编码规范<span class="ff3">，</span>以保证程序的可读性<span class="ff4">、</span>扩展性</div><div class="t m0 x1 h2 yd ff2 fs0 fc0 sc0 ls0 ws0">和稳定性<span class="ff4">。</span></div><div class="t m0 x1 h2 ye ff1 fs0 fc0 sc0 ls0 ws0">2.1.<span class="_"> </span><span class="ff2">功能码的支持</span></div><div class="t m0 x1 h2 yf ff2 fs0 fc0 sc0 ls0 ws0">为了满足不同应用场景的需求<span class="ff3">，</span>主站源码程序实现了常用的<span class="_ _1"> </span><span class="ff1">Modbus<span class="_ _0"> </span></span>功能码<span class="ff4">。</span>具体而言<span class="ff3">，</span>主站程序支</div><div class="t m0 x1 h2 y10 ff2 fs0 fc0 sc0 ls0 ws0">持以下功能码的处理<span class="ff3">：</span></div><div class="t m0 x1 h2 y11 ff1 fs0 fc0 sc0 ls0 ws0">-<span class="_ _2"> </span><span class="ff2">功能码<span class="_ _1"> </span></span>01<span class="ff3">：<span class="ff2">读取线圈状态<span class="ff4">。</span>该功能码用于读取从站设备中的线圈状态信息<span class="ff4">。</span>主</span></span></div></div><div class="pi" data-data='{"ctm":[1.568627,0.000000,0.000000,1.568627,0.000000,0.000000]}'></div></div>