<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta charset="utf-8">
<meta name="generator" content="pdf2htmlEX">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<link rel="stylesheet" href="https://static.pudn.com/base/css/base.min.css">
<link rel="stylesheet" href="https://static.pudn.com/base/css/fancy.min.css">
<link rel="stylesheet" href="https://static.pudn.com/prod/directory_preview_static/6250f2226caf5961922be4b7/raw.css">
<script src="https://static.pudn.com/base/js/compatibility.min.js"></script>
<script src="https://static.pudn.com/base/js/pdf2htmlEX.min.js"></script>
<script>
try{
pdf2htmlEX.defaultViewer = new pdf2htmlEX.Viewer({});
}catch(e){}
</script>
<title></title>
</head>
<body>
<div id="sidebar" style="display: none">
<div id="outline">
</div>
</div>
<div id="pf1" class="pf w0 h0" data-page-no="1"><div class="pc pc1 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/6250f2226caf5961922be4b7/bg1.jpg"><div class="c x0 y1 w2 h0"><div class="t m0 x1 h2 y2 ff1 fs0 fc0 sc0 ls0 ws0">T<span class="_ _0"></span>winCA<span class="_ _0"></span>T<span class="ff2">控制系统中</span></div><div class="t m0 x2 h2 y3 ff1 fs0 fc0 sc0 ls0 ws0">EtherCA<span class="_ _0"></span>T<span class="_"> </span><span class="ff2">诊断和错误查找</span></div><div class="t m0 x3 h3 y4 ff3 fs1 fc0 sc0 ls1 ws0">15<span class="ls0">-D</span>ec<span class="ls0">-</span>2020</div></div><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a></div><div class="pi" data-data='{"ctm":[1.333333,0.000000,0.000000,1.333333,0.000000,0.000000]}'></div></div>
</body>
</html>
<div id="pf2" class="pf w0 h0" data-page-no="2"><div class="pc pc2 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/6250f2226caf5961922be4b7/bg2.jpg"><div class="c x0 y1 w2 h0"><div class="t m0 x4 h4 y5 ff1 fs2 fc1 sc0 ls0 ws0">EtherCA<span class="_ _1"></span>T<span class="_"> </span><span class="ff2">错误是怎么检测到的</span>?</div><div class="t m0 x5 h5 y6 ff3 fs3 fc0 sc0 ls0 ws0">EtherCA<span class="_ _1"></span>T<span class="_ _2"> </span><span class="ff4 ls2">通常具有</span><span class="ff5">“<span class="ff4">即扫即用<span class="_ _3"></span></span>”<span class="ff4 ls2">的特性<span class="ls0">，扫描网络、启动<span class="_ _3"></span>系统，所有组<span class="_ _3"></span>件就运行起来了<span class="_ _3"></span>。绝大多</span></span></span></div><div class="t m0 x5 h5 y7 ff4 fs3 fc0 sc0 ls0 ws0">数情况下不需要设置任何参数。</div><div class="t m0 x5 h5 y8 ff4 fs3 fc0 sc0 ls0 ws0">发现<span class="ff3">EtherCA<span class="_ _1"></span>T<span class="ff4">网络的通讯问<span class="_ _4"></span>题，典型的情况是因为以下原因：</span></span></div><div class="t m0 x5 h5 y9 ff3 fs3 fc0 sc0 ls3 ws0">1.<span class="_ _5"> </span><span class="ff4 ls0">机器停止工作，或者控制项目<span class="_ _6"> </span><span class="ff3">(PLC<span class="_"> </span></span>程序<span class="ff3">,<span class="_"> </span><span class="ls4">NC<span class="_"> </span></span></span>任务<span class="ff5">…<span class="ff3">)<span class="_"> </span></span></span>接收到的数据值明显与实测值不一<span class="_ _4"></span>致</span></div></div><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a></div><div class="pi" data-data='{"ctm":[1.333333,0.000000,0.000000,1.333333,0.000000,0.000000]}'></div></div>
<div id="pf3" class="pf w0 h0" data-page-no="3"><div class="pc pc3 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/6250f2226caf5961922be4b7/bg3.jpg"><div class="c x0 y1 w2 h0"><div class="t m0 x4 h4 y5 ff1 fs2 fc1 sc0 ls0 ws0">EtherCA<span class="_ _1"></span>T<span class="_"> </span><span class="ff2">错误是怎么检测到的</span>?</div><div class="t m0 x6 h5 ya ff3 fs3 fc0 sc0 ls3 ws0">2.<span class="_ _5"> </span><span class="ff4 ls0">在<span class="ff3">T<span class="_ _1"></span>winCA<span class="_ _1"></span>T<span class="ff4">项目中显示了错误（典型的情<span class="_ _4"></span>况是在<span class="ff3">Master<span class="_"> </span>Online</span>页面或者<span class="ff3">T<span class="_ _1"></span>winCA<span class="_ _7"></span>T<span class="_ _8"> </span><span class="ls3">Logger</span><span class="ff4">）</span></span></span></span></span></div></div><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a></div><div class="pi" data-data='{"ctm":[1.333333,0.000000,0.000000,1.333333,0.000000,0.000000]}'></div></div>
<div id="pf4" class="pf w0 h0" data-page-no="4"><div class="pc pc4 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/6250f2226caf5961922be4b7/bg4.jpg"><div class="c x0 y1 w2 h0"><div class="t m0 x4 h4 y5 ff1 fs2 fc1 sc0 ls0 ws0">EtherCA<span class="_ _1"></span>T <span class="ff2">网络中的错误类型</span></div><div class="t m0 x7 h6 yb ff4 fs4 fc0 sc0 ls5 ws0">能影响到<span class="ff3 ls0">EtherCA<span class="_ _7"></span>T<span class="ff4">网络的错误分为</span>2<span class="ff4 ls5">大类：</span></span></div><div class="t m0 x7 h7 yc ff1 fs3 fc2 sc0 ls3 ws0">1.<span class="_ _5"> </span><span class="ff2 ls0">硬件错误</span></div><div class="t m0 x8 h5 yd ff5 fs3 fc0 sc0 ls0 ws0">•<span class="_ _9"> </span><span class="ff4">物理介质中断：数据帧无法达到所有从站，或者根本<span class="_ _4"></span>不能回到主站。</span></div><div class="t m0 x8 h5 ye ff5 fs3 fc0 sc0 ls0 ws0">•<span class="_ _9"> </span><span class="ff4">信息破坏：<span class="_ _6"> </span>数据帧到达网络中的所有从站并回到了主站，但有一些内容改<span class="_ _4"></span>变了。</span></div><div class="t m0 x7 h7 yf ff1 fs3 fc3 sc0 ls0 ws0">2.<span class="_ _5"> </span><span class="ff2">软件错误</span></div><div class="t m0 x8 h5 y10 ff5 fs3 fc0 sc0 ls0 ws0">•<span class="_ _9"> </span><span class="ff4">启动时从站达不到<span class="ff3 ls6">OP</span><span class="ls7">状态</span>，因为来自主站的一个或多个初<span class="_ _4"></span>始化的命令被检测到不正确</span></div><div class="t m0 x8 h5 y11 ff5 fs3 fc0 sc0 ls0 ws0">•<span class="_ _9"> </span><span class="ff4">由于在操作过程中检测到错误，一个正常工作的从站<span class="_ _4"></span>突然脱离<span class="ff3 ls6">OP</span><span class="ls8">状态</span></span></div></div><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a></div><div class="pi" data-data='{"ctm":[1.333333,0.000000,0.000000,1.333333,0.000000,0.000000]}'></div></div>
<div id="pf5" class="pf w0 h0" data-page-no="5"><div class="pc pc5 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/6250f2226caf5961922be4b7/bg5.jpg"><div class="c x0 y1 w2 h0"><div class="t m0 x9 h8 y12 ff1 fs5 fc0 sc0 ls0 ws0">Cyclic Sy<span class="_ _4"></span>nchronous </div><div class="t m0 xa h8 y13 ff1 fs5 fc0 sc0 ls0 ws0">Diagnostics</div><div class="t m0 xb h9 y14 ff2 fs5 fc0 sc0 ls8 ws0">周期性同步监视</div><div class="t m0 xc ha y15 ff5 fs6 fc0 sc0 ls0 ws0">•<span class="_ _a"> </span><span class="ff3">Working <span class="_ _4"></span>Counter</span></div><div class="t m0 x4 h4 y5 ff1 fs2 fc1 sc0 ls0 ws0">EtherCA<span class="_ _1"></span>T <span class="ff2">网络中的错误类型</span></div><div class="t m0 x6 h5 y16 ff3 fs3 fc0 sc0 ls0 ws0">EtherCA<span class="_ _7"></span>T<span class="_"> </span><span class="ff4">分别从硬件和软件层面提供了丰<span class="_ _4"></span>富的<span class="ff2">诊断信息，</span></span></div><div class="t m0 x6 h5 y17 ff4 fs3 fc0 sc0 ls0 ws0">诊断信息可以按下图归类：</div><div class="t m0 xd h8 y18 ff1 fs5 fc0 sc0 ls0 ws0">Hardware Diagnostics</div><div class="t m0 xe ha y19 ff5 fs6 fc0 sc0 ls0 ws0">•<span class="_ _b"> </span><span class="ff3">Link Lost Counters </span></div><div class="t m0 xf hb y1a ff4 fs6 fc0 sc0 ls0 ws0">丢帧计数</div><div class="t m0 xe ha y1b ff5 fs6 fc0 sc0 ls0 ws0">•<span class="_ _b"> </span><span class="ff3">Invalid Frame Counters</span></div><div class="t m0 xf hb y1c ff4 fs6 fc0 sc0 ls0 ws0">无效帧计数</div><div class="t m0 x10 h8 y1d ff1 fs5 fc0 sc0 ls0 ws0">Software Diagnostics</div><div class="t m0 x11 ha y1e ff5 fs6 fc0 sc0 ls0 ws0">•<span class="_ _c"> </span><span class="ff3">State Machine Errors</span></div><div class="t m0 x12 hb y1f ff4 fs6 fc0 sc0 ls0 ws0">状态机错误</div><div class="t m0 x11 ha y20 ff5 fs6 fc0 sc0 ls0 ws0">•<span class="_ _c"> </span><span class="ff3">Diagnostic <span class="_ _4"></span>History Object</span></div><div class="t m0 x11 hb y21 ff5 fs6 fc0 sc0 ls0 ws0">•<span class="_ _c"> </span><span class="ff4">历史诊断信息</span></div><div class="t m0 x13 h7 y22 ff1 fs3 fc0 sc0 ls0 ws0">Hardware</div><div class="t m0 x14 h7 y23 ff1 fs3 fc0 sc0 ls0 ws0">Software</div><div class="t m2 x15 h7 y24 ff1 fs3 fc0 sc0 ls0 ws0">Cyclic</div><div class="t m2 x15 h7 y25 ff1 fs3 fc0 sc0 ls0 ws0">Acyclic</div></div><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a></div><div class="pi" data-data='{"ctm":[1.333333,0.000000,0.000000,1.333333,0.000000,0.000000]}'></div></div>
