Modbus RTU 51单片机从机源码与多种组态软件通信支持485和232串口通信,该从机源码可直接用于51系列和STC12系
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Modbus RTU 51单片机从机源码与多种组态软件通信支持485和232串口通信,该从机源码可直接用于51系列和STC12系列单片机的，支持功能码01,02,03,04,05,06,0F,10等常用功能码。 <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/89765655/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/89765655/bg1.jpg"/><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">Modbus RTU<span class="_ _0"> </span><span class="ff2">是一种常用的通信协议<span class="ff3">，</span>用于在工业自动化领域中实现设备之间的数据传输<span class="ff4">。</span>本文将围</span></div><div class="t m0 x1 h2 y2 ff2 fs0 fc0 sc0 ls0 ws0">绕<span class="_ _1"> </span><span class="ff1">Modbus RTU<span class="_ _0"> </span></span>在<span class="_ _1"> </span><span class="ff1">51<span class="_ _0"> </span></span>单片机中的从机源码展开<span class="ff3">，</span>探讨其与多种组态软件之间的通信<span class="ff3">，</span>并支持<span class="_ _1"> </span><span class="ff1">485</span></div><div class="t m0 x1 h2 y3 ff2 fs0 fc0 sc0 ls0 ws0">和<span class="_ _1"> </span><span class="ff1">232<span class="_ _0"> </span></span>串口通信<span class="ff4">。</span></div><div class="t m0 x1 h2 y4 ff2 fs0 fc0 sc0 ls0 ws0">首先<span class="ff3">，</span>我们来了解一下<span class="_ _1"> </span><span class="ff1">Modbus RTU<span class="_ _0"> </span></span>协议<span class="ff4">。<span class="ff1">Modbus RTU<span class="_ _0"> </span></span></span>是一种串行通信协议<span class="ff3">，</span>采用二进制方式编</div><div class="t m0 x1 h2 y5 ff2 fs0 fc0 sc0 ls0 ws0">码数据<span class="ff3">，</span>并使用<span class="_ _1"> </span><span class="ff1">CRC<span class="_ _0"> </span></span>校验确保数据的可靠性<span class="ff4">。</span>它的主要特点是简单易懂<span class="ff4">、</span>开放性强<span class="ff4">、</span>应用广泛<span class="ff4">。</span>在</div><div class="t m0 x1 h2 y6 ff1 fs0 fc0 sc0 ls0 ws0">Modbus RTU<span class="_ _0"> </span><span class="ff2">协议中<span class="ff3">，</span>通信的一方作为主机<span class="ff3">，</span>而另一方作为从机<span class="ff4">。</span>在本文中<span class="ff3">，</span>我们将关注从机端的源</span></div><div class="t m0 x1 h2 y7 ff2 fs0 fc0 sc0 ls0 ws0">码开发<span class="ff4">。</span></div><div class="t m0 x1 h2 y8 ff2 fs0 fc0 sc0 ls0 ws0">对于<span class="_ _1"> </span><span class="ff1">51<span class="_ _0"> </span></span>单片机和<span class="_ _1"> </span><span class="ff1">STC12<span class="_ _0"> </span></span>系列单片机<span class="ff3">，</span>我们提供了可直接使用的从机源码<span class="ff4">。</span>该源码包含了常用的功能</div><div class="t m0 x1 h2 y9 ff2 fs0 fc0 sc0 ls0 ws0">码<span class="_ _1"> </span><span class="ff1">01<span class="ff4">、</span>02<span class="ff4">、</span>03<span class="ff4">、</span>04<span class="ff4">、</span>05<span class="ff4">、</span>06<span class="ff4">、</span>0F<span class="_ _0"> </span></span>和<span class="_ _1"> </span><span class="ff1">10<span class="_ _0"> </span></span>等<span class="ff3">，</span>能够满足大多数工业自动化设备的通信需求<span class="ff4">。</span>通过这</div><div class="t m0 x1 h2 ya ff2 fs0 fc0 sc0 ls0 ws0">些功能码<span class="ff3">，</span>我们可以实现对从机的读取和控制操作<span class="ff4">。</span></div><div class="t m0 x1 h2 yb ff2 fs0 fc0 sc0 ls0 ws0">在实际应用中<span class="ff3">，</span>我们经常需要将<span class="_ _1"> </span><span class="ff1">Modbus RTU<span class="_ _0"> </span></span>从机与各种组态软件进行通信<span class="ff4">。</span>组态软件可以方便地配</div><div class="t m0 x1 h2 yc ff2 fs0 fc0 sc0 ls0 ws0">置和监控工业自动化设备<span class="ff3">，</span>实现对设备参数的调整和状态的监测<span class="ff4">。</span>在本文中<span class="ff3">，</span>我们将介绍与多种组态</div><div class="t m0 x1 h2 yd ff2 fs0 fc0 sc0 ls0 ws0">软件的通信方式<span class="ff4">。</span></div><div class="t m0 x1 h2 ye ff2 fs0 fc0 sc0 ls0 ws0">首先<span class="ff3">，</span>对于<span class="_ _1"> </span><span class="ff1">485<span class="_ _0"> </span></span>串口通信<span class="ff3">，</span>我们可以通过<span class="_ _1"> </span><span class="ff1">485<span class="_ _0"> </span></span>转<span class="_ _1"> </span><span class="ff1">232<span class="_ _0"> </span></span>模块将<span class="_ _1"> </span><span class="ff1">485<span class="_ _0"> </span></span>信号转换为<span class="_ _1"> </span><span class="ff1">232<span class="_ _0"> </span></span>信号<span class="ff3">，</span>然后与计</div><div class="t m0 x1 h2 yf ff2 fs0 fc0 sc0 ls0 ws0">算机进行连接<span class="ff4">。</span>这样<span class="ff3">，</span>从机通过串口与计算机进行通信<span class="ff3">，</span>实现与组态软件的数据交互<span class="ff4">。</span>通过在从机源</div><div class="t m0 x1 h2 y10 ff2 fs0 fc0 sc0 ls0 ws0">码中添加相应的串口通信模块<span class="ff3">，</span>我们可以实现这样的通信功能<span class="ff4">。</span></div><div class="t m0 x1 h2 y11 ff2 fs0 fc0 sc0 ls0 ws0">此外<span class="ff3">，</span>对于<span class="_ _1"> </span><span class="ff1">232<span class="_ _0"> </span></span>串口通信<span class="ff3">，</span>我们可以直接使用串口线将从机与计算机进行连接<span class="ff4">。</span>同样地<span class="ff3">，</span>通过在从机</div><div class="t m0 x1 h2 y12 ff2 fs0 fc0 sc0 ls0 ws0">源码中添加串口通信模块<span class="ff3">，</span>我们可以实现<span class="_ _1"> </span><span class="ff1">Modbus RTU<span class="_ _0"> </span></span>从机与组态软件的通信<span class="ff4">。</span></div><div class="t m0 x1 h2 y13 ff2 fs0 fc0 sc0 ls0 ws0">通过以上的源码开发和通信配置<span class="ff3">，<span class="ff1">Modbus RTU<span class="_ _0"> </span></span></span>从机与多种组态软件之间的通信可以得以实现<span class="ff4">。</span>用户</div><div class="t m0 x1 h2 y14 ff2 fs0 fc0 sc0 ls0 ws0">可以根据自己的实际需求<span class="ff3">，</span>选择适合的通信方式<span class="ff3">，</span>并进行相应的配置和调试<span class="ff4">。</span>这样<span class="ff3">，</span>工业自动化设备</div><div class="t m0 x1 h2 y15 ff2 fs0 fc0 sc0 ls0 ws0">的监测和控制任务可以更加方便高效地完成<span class="ff4">。</span></div><div class="t m0 x1 h2 y16 ff2 fs0 fc0 sc0 ls0 ws0">总结起来<span class="ff3">，</span>本文围绕<span class="_ _1"> </span><span class="ff1">Modbus RTU<span class="_ _0"> </span></span>在<span class="_ _1"> </span><span class="ff1">51<span class="_ _0"> </span></span>单片机中的从机源码展开<span class="ff3">，</span>介绍了其与多种组态软件的通信</div><div class="t m0 x1 h2 y17 ff2 fs0 fc0 sc0 ls0 ws0">方式<span class="ff4">。</span>通过源码的开发和通信配置<span class="ff3">，</span>我们可以实现与<span class="_ _1"> </span><span class="ff1">485<span class="_ _0"> </span></span>和<span class="_ _1"> </span><span class="ff1">232<span class="_ _0"> </span></span>串口通信的功能<span class="ff4">。</span>在实际应用中<span class="ff3">，</span></div><div class="t m0 x1 h2 y18 ff2 fs0 fc0 sc0 ls0 ws0">这样的通信功能可以方便地实现工业自动化设备的监测和控制操作<span class="ff4">。</span>希望本文对您在<span class="_ _1"> </span><span class="ff1">Modbus RTU<span class="_ _0"> </span></span>从</div><div class="t m0 x1 h2 y19 ff2 fs0 fc0 sc0 ls0 ws0">机开发和通信配置方面有所帮助<span class="ff4">。</span></div></div><div class="pi" data-data='{"ctm":[1.568627,0.000000,0.000000,1.568627,0.000000,0.000000]}'></div></div>