C#与西门子plc通讯上位机 c#软件 工控软件 1.该程可以实现CSharp与西门子全系列plc(200，200smart，300，1200，1500)的以太网s7通讯，通讯传输快稳定 2
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C#与西门子plc通讯上位机 c#软件 工控软件 1.该程可以实现CSharp与西门子全系列plc(200，200smart，300，1200，1500)的以太网s7通讯，通讯传输快稳定。2.该程序采用s7以太网通讯方式，本人经过几个星期的测试，开发了一个通用类库可以读取写入各种类型的数据，字符串，bool，16位整数，32位整数，浮点数还有struct数据结构。3.该程序还可以实时监控上位机与plc的通讯状态。程序稍微改造就可以应用到实际项目，已经应用到多条生产线系统中 <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/90183203/2/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/90183203/bg1.jpg"/><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">C#<span class="ff2">与西门子<span class="_ _0"> </span></span>PLC<span class="_ _1"> </span><span class="ff2">通讯上位机技术探讨</span></div><div class="t m0 x1 h2 y2 ff2 fs0 fc0 sc0 ls0 ws0">一<span class="ff3">、</span>引言</div><div class="t m0 x1 h2 y3 ff2 fs0 fc0 sc0 ls0 ws0">随着工业自动化水平的不断提高<span class="ff4">，<span class="ff1">PLC</span>（</span>可编程逻辑控制器<span class="ff4">）</span>在工业生产中扮演着越来越重要的角色</div><div class="t m0 x1 h2 y4 ff3 fs0 fc0 sc0 ls0 ws0">。<span class="ff2">西门子<span class="_ _0"> </span><span class="ff1">PLC<span class="_ _1"> </span></span>作为市场领导者之一<span class="ff4">，</span>其通讯技术一直是工程师们关注的焦点</span>。<span class="ff2">本文将探讨如何使用</span></div><div class="t m0 x1 h2 y5 ff1 fs0 fc0 sc0 ls0 ws0">C#<span class="ff2">语言开发上位机软件<span class="ff4">，</span>实现与西门子全系列<span class="_ _0"> </span></span>PLC<span class="ff4">（<span class="ff2">包括<span class="_ _0"> </span></span></span>200<span class="ff3">、</span>200smart<span class="ff3">、</span>300<span class="ff3">、</span>1200<span class="ff3">、</span>1500<span class="_ _1"> </span><span class="ff2">等</span></div><div class="t m0 x1 h2 y6 ff4 fs0 fc0 sc0 ls0 ws0">）<span class="ff2">的以太网<span class="_ _0"> </span><span class="ff1">S7<span class="_ _1"> </span></span>通讯</span>，<span class="ff2">以实现对<span class="_ _0"> </span><span class="ff1">PLC<span class="_ _1"> </span></span>的读写操作及实时监控功能<span class="ff3">。</span></span></div><div class="t m0 x1 h2 y7 ff2 fs0 fc0 sc0 ls0 ws0">二<span class="ff3">、<span class="ff1">C#</span></span>与西门子<span class="_ _0"> </span><span class="ff1">PLC<span class="_ _1"> </span></span>以太网<span class="_ _0"> </span><span class="ff1">S7<span class="_ _1"> </span></span>通讯的实现</div><div class="t m0 x1 h2 y8 ff1 fs0 fc0 sc0 ls0 ws0">1.<span class="_ _2"> </span><span class="ff2">通讯协议简介</span></div><div class="t m0 x1 h2 y9 ff1 fs0 fc0 sc0 ls0 ws0">S7<span class="_ _1"> </span><span class="ff2">通讯是西门子<span class="_ _0"> </span></span>PLC<span class="_ _1"> </span><span class="ff2">常用的通讯协议<span class="ff4">，</span>支持<span class="_ _0"> </span></span>TCP/IP<span class="ff3">、</span>UDP<span class="_ _1"> </span><span class="ff2">等网络协议<span class="ff3">。</span>在工业自动化领域<span class="ff4">，</span>以太</span></div><div class="t m0 x1 h2 ya ff2 fs0 fc0 sc0 ls0 ws0">网<span class="_ _0"> </span><span class="ff1">S7<span class="_ _1"> </span></span>通讯以其传输速度快<span class="ff3">、</span>稳定性高而备受青睐<span class="ff3">。</span></div><div class="t m0 x1 h2 yb ff1 fs0 fc0 sc0 ls0 ws0">2.<span class="_ _2"> </span><span class="ff2">通用类库开发</span></div><div class="t m0 x1 h2 yc ff2 fs0 fc0 sc0 ls0 ws0">为了实现与不同型号<span class="_ _0"> </span><span class="ff1">PLC<span class="_ _1"> </span></span>的通讯<span class="ff4">，</span>我们开发了一个通用类库<span class="ff3">。</span>这个类库支持读取和写入不同类型的数</div><div class="t m0 x1 h2 yd ff2 fs0 fc0 sc0 ls0 ws0">据<span class="ff4">，</span>包括字符串<span class="ff3">、</span>布尔值<span class="ff3">、<span class="ff1">16<span class="_ _1"> </span></span></span>位整数<span class="ff3">、<span class="ff1">32<span class="_ _1"> </span></span></span>位整数<span class="ff3">、</span>浮点数以及<span class="_ _0"> </span><span class="ff1">struct<span class="_ _1"> </span></span>数据结构<span class="ff3">。</span>在几个星期的测</div><div class="t m0 x1 h2 ye ff2 fs0 fc0 sc0 ls0 ws0">试过程中<span class="ff4">，</span>类库的稳定性和性能得到了充分验证<span class="ff3">。</span></div><div class="t m0 x1 h2 yf ff1 fs0 fc0 sc0 ls0 ws0">3.<span class="_ _2"> </span><span class="ff2">通讯状态实时监控</span></div><div class="t m0 x1 h2 y10 ff2 fs0 fc0 sc0 ls0 ws0">为了确保上位机与<span class="_ _0"> </span><span class="ff1">PLC<span class="_ _1"> </span></span>之间的通讯稳定<span class="ff4">，</span>程序还具备实时监控通讯状态的功能<span class="ff3">。</span>这有助于工程师及时</div><div class="t m0 x1 h2 y11 ff2 fs0 fc0 sc0 ls0 ws0">发现并解决通讯过程中的问题<span class="ff4">，</span>提高生产效率<span class="ff3">。</span></div><div class="t m0 x1 h2 y12 ff2 fs0 fc0 sc0 ls0 ws0">三<span class="ff3">、</span>技术细节分析</div><div class="t m0 x1 h2 y13 ff1 fs0 fc0 sc0 ls0 ws0">1.<span class="_ _2"> </span><span class="ff2">通讯初始化</span></div><div class="t m0 x1 h2 y14 ff2 fs0 fc0 sc0 ls0 ws0">在建立与<span class="_ _0"> </span><span class="ff1">PLC<span class="_ _1"> </span></span>的通讯连接之前<span class="ff4">，</span>需要进行初始化操作<span class="ff4">，</span>包括设置<span class="_ _0"> </span><span class="ff1">IP<span class="_ _1"> </span></span>地址<span class="ff3">、</span>端口号<span class="ff3">、</span>通讯参数等<span class="ff3">。</span></div><div class="t m0 x1 h2 y15 ff1 fs0 fc0 sc0 ls0 ws0">2.<span class="_ _2"> </span><span class="ff2">数据读写操作</span></div><div class="t m0 x1 h2 y16 ff2 fs0 fc0 sc0 ls0 ws0">使用通用类库进行数据的读写操作<span class="ff3">。</span>根据<span class="_ _0"> </span><span class="ff1">PLC<span class="_ _1"> </span></span>的数据类型<span class="ff4">，</span>选择合适的数据结构进行读写<span class="ff3">。</span>例如<span class="ff4">，</span>读</div><div class="t m0 x1 h2 y17 ff2 fs0 fc0 sc0 ls0 ws0">取一个<span class="_ _0"> </span><span class="ff1">32<span class="_ _1"> </span></span>位整数<span class="ff4">，</span>可以使用类库中的相应方法<span class="ff4">，</span>将读取到的数据转换为<span class="_ _0"> </span><span class="ff1">32<span class="_ _1"> </span></span>位整数类型<span class="ff3">。</span></div><div class="t m0 x1 h2 y18 ff1 fs0 fc0 sc0 ls0 ws0">3.<span class="_ _2"> </span><span class="ff2">通讯状态监控</span></div></div><div class="pi" data-data='{"ctm":[1.568627,0.000000,0.000000,1.568627,0.000000,0.000000]}'></div></div>