Labview Ethernet IP TCP通讯：强大的欧姆龙PLC读写功能，支持多种数据类型与数组，替代Fins通讯的完美选择,Labview Ethernetip TCP通讯：高效读写PLC标签
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Labview Ethernet IP TCP通讯：强大的欧姆龙PLC读写功能，支持多种数据类型与数组，替代Fins通讯的完美选择,Labview Ethernetip TCP通讯：高效读写PLC标签，支持多种数据类型与数组，替代Fins通讯的完美选择。,Labview Ethernetip TCP网口通讯欧姆龙PLC OmronNX1P2NJ501NJ301PLC标签通讯 CIP通讯比Fins通讯更完美。1.自定义变量读写2.支持字符串读写3.支持 I16 I32 Float Double等全部数值类型 读写4.支持数组类型读写。5.支持BOOL类型数据读写。程序源码，原创。程序经过测试准确运行从此远离%转成Fins.,核心关键词：Labview; Ethernetip; TCP网口通讯; 欧姆龙PLC; OmronNX1P2NJ501NJ301PLC标签通讯; CIP通讯; Fins通讯; 自定义变量读写; 字符串读写; 数值类型读写; 数组类型读写; BOOL类型数据读写; 程序源码; 原创; 测试准确运行。,LabVIEW TCP通讯新体验：全面支持Omron <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/90434417/2/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/90434417/bg1.jpg"/><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">**LabVIEW<span class="_ _0"> </span><span class="ff2">下的<span class="_ _0"> </span></span>Ethernet/IP TCP<span class="_ _0"> </span><span class="ff2">网口通讯与欧姆龙<span class="_ _0"> </span></span>PLC<span class="_ _0"> </span><span class="ff2">的数据交互</span>**</div><div class="t m0 x1 h2 y2 ff2 fs0 fc0 sc0 ls0 ws0">一、引言</div><div class="t m0 x1 h2 y3 ff2 fs0 fc0 sc0 ls0 ws0">在工业自动化领域，<span class="_ _1"></span>欧姆龙<span class="_ _1"></span>（<span class="ff1">Omron</span>）<span class="_ _1"></span><span class="ff1">PLC<span class="_"> </span><span class="ff2">以其卓越的稳定性和灵活的配置广受好评。<span class="_ _1"></span>本文</span></span></div><div class="t m0 x1 h2 y4 ff2 fs0 fc0 sc0 ls0 ws0">将介<span class="_ _2"></span>绍如<span class="_ _2"></span>何使<span class="_ _2"></span>用<span class="_ _0"> </span><span class="ff1">LabVIEW<span class="_"> </span></span>进<span class="_ _2"></span>行<span class="_ _0"> </span><span class="ff1">Ethernet/IP <span class="_ _2"></span>TCP<span class="_"> </span></span>网口<span class="_ _2"></span>通讯<span class="_ _2"></span>，实<span class="_ _2"></span>现与<span class="_ _3"> </span><span class="ff1">Omron PLC<span class="_"> </span></span>的<span class="_ _2"></span>数据<span class="_ _2"></span>交互<span class="_ _2"></span>，</div><div class="t m0 x1 h2 y5 ff2 fs0 fc0 sc0 ls0 ws0">特别是在自定义变量读写、<span class="_ _4"></span>字符串读写、<span class="_ _4"></span>数值类型读写、<span class="_ _4"></span>数组类型读写以及<span class="_ _0"> </span><span class="ff1">BOOL<span class="_"> </span></span>类型数据</div><div class="t m0 x1 h2 y6 ff2 fs0 fc0 sc0 ls0 ws0">读写等方面的应用。<span class="_ _5"></span>相比传统的<span class="_ _0"> </span><span class="ff1">Fins<span class="_ _0"> </span></span>通讯，<span class="_ _5"></span><span class="ff1">Ethernet/IP CIP<span class="_ _0"> </span><span class="ff2">通讯有着更出色的性能和灵活性。</span></span></div><div class="t m0 x1 h2 y7 ff2 fs0 fc0 sc0 ls0 ws0">二、实现方式</div><div class="t m0 x1 h2 y8 ff1 fs0 fc0 sc0 ls0 ws0">1. <span class="_ _6"> </span><span class="ff2">自定义变量读写</span></div><div class="t m0 x1 h2 y9 ff2 fs0 fc0 sc0 ls0 ws0">在<span class="_ _0"> </span><span class="ff1">LabVIEW<span class="_ _0"> </span></span>中，<span class="_ _1"></span>我们可以使用<span class="_ _0"> </span><span class="ff1">Ethernet/IP<span class="_"> </span></span>协议实现自定义变量的读写。<span class="_ _1"></span>通过配置<span class="_ _6"> </span><span class="ff1">PLC<span class="_"> </span></span>的地</div><div class="t m0 x1 h2 ya ff2 fs0 fc0 sc0 ls0 ws0">址空间，<span class="_ _2"></span>我们可以定义<span class="_ _2"></span>自己的数据<span class="_ _2"></span>结构，并在<span class="_ _0"> </span><span class="ff1">LabVIEW<span class="_"> </span></span>中通过相<span class="_ _2"></span>应的地址访<span class="_ _2"></span>问这些变量。</div><div class="t m0 x1 h2 yb ff2 fs0 fc0 sc0 ls0 ws0">这一过程需要精确的地址映射和协议转换，确保数据的准确传输。</div><div class="t m0 x1 h2 yc ff1 fs0 fc0 sc0 ls0 ws0">2. <span class="_ _6"> </span><span class="ff2">支持字符串读写</span></div><div class="t m0 x1 h2 yd ff1 fs0 fc0 sc0 ls0 ws0">Ethernet/IP<span class="_"> </span><span class="ff2">协议支持字符串<span class="_ _2"></span>的传输。在<span class="_ _0"> </span></span>LabVIEW<span class="_"> </span><span class="ff2">中，我<span class="_ _2"></span>们可以使用字<span class="_ _2"></span>符串操作函数<span class="_ _2"></span>，如读</span></div><div class="t m0 x1 h2 ye ff2 fs0 fc0 sc0 ls0 ws0">取或写入<span class="_ _0"> </span><span class="ff1">PLC<span class="_ _0"> </span></span>中的字符串数据。这为我们在工业控制中处理文本信息提供了极大的便利。</div><div class="t m0 x1 h2 yf ff1 fs0 fc0 sc0 ls0 ws0">3. <span class="_ _6"> </span><span class="ff2">支持数值类型读写</span></div><div class="t m0 x1 h2 y10 ff1 fs0 fc0 sc0 ls0 ws0">LabVIEW<span class="_"> </span><span class="ff2">支持<span class="_ _6"> </span></span>I16<span class="ff2">、<span class="_ _2"></span></span>I32<span class="ff2">、</span>Float<span class="ff2">、</span>Double<span class="_"> </span><span class="ff2">等全部数值类型<span class="_ _2"></span>的读写。这意味<span class="_ _2"></span>着我们可以方便<span class="_ _2"></span>地</span></div><div class="t m0 x1 h2 y11 ff2 fs0 fc0 sc0 ls0 ws0">与<span class="_ _0"> </span><span class="ff1">PLC<span class="_ _0"> </span></span>进行数字量的交互，如温度、压力、流量等数据的读取和写入。</div><div class="t m0 x1 h2 y12 ff1 fs0 fc0 sc0 ls0 ws0">4. <span class="_ _6"> </span><span class="ff2">支持数组类型读写</span></div><div class="t m0 x1 h2 y13 ff2 fs0 fc0 sc0 ls0 ws0">对于需要<span class="_ _2"></span>处理大量数据<span class="_ _2"></span>的场合，<span class="ff1">Ethernet/IP<span class="_"> </span></span>协议支持<span class="_ _2"></span>数组类型的读<span class="_ _2"></span>写。在<span class="_ _0"> </span><span class="ff1">LabVIEW<span class="_"> </span></span>中，我</div><div class="t m0 x1 h2 y14 ff2 fs0 fc0 sc0 ls0 ws0">们可以定义数组，并通过网络发送和接收数组数据，实现高效的数据处理。</div><div class="t m0 x1 h2 y15 ff1 fs0 fc0 sc0 ls0 ws0">5. <span class="_ _6"> </span><span class="ff2">支持<span class="_ _0"> </span></span>BOOL<span class="_"> </span><span class="ff2">类型数据读写</span></div><div class="t m0 x1 h2 y16 ff2 fs0 fc0 sc0 ls0 ws0">对于<span class="_ _2"></span>逻<span class="_ _2"></span>辑控<span class="_ _2"></span>制，<span class="_ _2"></span><span class="ff1">BOOL<span class="_"> </span></span>类<span class="_ _2"></span>型的<span class="_ _2"></span>数据<span class="_ _2"></span>是<span class="_ _2"></span>必不<span class="_ _2"></span>可少<span class="_ _2"></span>的。<span class="_ _2"></span><span class="ff1">Ethernet/IP<span class="_"> </span></span>协<span class="_ _2"></span>议支<span class="_ _2"></span>持<span class="_ _0"> </span><span class="ff1">BOOL<span class="_"> </span></span>类<span class="_ _2"></span>型的<span class="_ _2"></span>读<span class="_ _2"></span>写，</div><div class="t m0 x1 h2 y17 ff2 fs0 fc0 sc0 ls0 ws0">我们可以在<span class="_ _0"> </span><span class="ff1">LabVIEW<span class="_ _0"> </span></span>中定义<span class="_ _0"> </span><span class="ff1">BOOL<span class="_"> </span></span>变量，并与其对应的<span class="_ _6"> </span><span class="ff1">PLC<span class="_"> </span></span>中的<span class="_ _6"> </span><span class="ff1">BOOL<span class="_"> </span></span>变量进行交互。</div><div class="t m0 x1 h2 y18 ff2 fs0 fc0 sc0 ls0 ws0">三、程序源码（部分展示）</div><div class="t m0 x1 h2 y19 ff2 fs0 fc0 sc0 ls0 ws0">以下是<span class="_ _0"> </span><span class="ff1">LabVIEW<span class="_ _0"> </span></span>中进行<span class="_ _0"> </span><span class="ff1">Ethernet/IP TCP<span class="_ _6"> </span></span>网口通讯的部分源码示例：</div><div class="t m0 x1 h2 y1a ff1 fs0 fc0 sc0 ls0 ws0">```vbscript</div><div class="t m0 x1 h2 y1b ff1 fs0 fc0 sc0 ls0 ws0">* <span class="_ _6"> </span><span class="ff2">初始化<span class="_ _0"> </span></span>TCP<span class="_ _0"> </span><span class="ff2">连接</span></div><div class="t m0 x1 h2 y1c ff1 fs0 fc0 sc0 ls0 ws0">TCP Connection := TCP Connect To PLC IP Address and Port Number</div></div><div class="pi" data-data='{"ctm":[1.611830,0.000000,0.000000,1.611830,0.000000,0.000000]}'></div></div>