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title="M8總線分線盒">M8總線分線盒</a></li> </ul> </li> <li><a href="/kyf763372625-ParentList-282664/" title="M5連接器">M5連接器</a> <ul class="two_profl"> <li><a href="/kyf763372625-SonList-363303/" target="_blank" title="M5工業(yè)連接器">M5工業(yè)連接器</a></li> <li><a href="/kyf763372625-SonList-288085/" target="_blank" title="M5航空插頭">M5航空插頭</a></li> </ul> </li> <li><a href="/kyf763372625-ParentList-282662/" title="5/8連接器與插座">5/8連接器與插座</a> <ul class="two_profl"> <li><a href="/kyf763372625-SonList-288087/" target="_blank" title="5/8插座">5/8插座</a></li> </ul> </li> <li><a href="/kyf763372625-ParentList-282661/" title="7/8連接器與插座">7/8連接器與插座</a> <ul class="two_profl"> <li><a href="/kyf763372625-SonList-421430/" target="_blank" title="耐高溫插座">耐高溫插座</a></li> <li><a href="/kyf763372625-SonList-421429/" target="_blank" title="耐高溫端子">耐高溫端子</a></li> <li><a href="/kyf763372625-SonList-421427/" target="_blank" title="DP終端電阻">DP終端電阻</a></li> <li><a href="/kyf763372625-SonList-363305/" target="_blank" title="7/8防水連接器">7/8防水連接器</a></li> <li><a href="/kyf763372625-SonList-288088/" target="_blank" title="7/8插座">7/8插座</a></li> </ul> </li> <li><a href="/kyf763372625-ParentList-282660/" title="M8連接器與插座">M8連接器與插座</a> <ul class="two_profl"> <li><a href="/kyf763372625-SonList-288091/" target="_blank" title="M8插座">M8插座</a></li> </ul> </li> <li><a href="/kyf763372625-ParentList-282659/" title="M12連接器與插座">M12連接器與插座</a> <ul class="two_profl"> <li><a href="/kyf763372625-SonList-421439/" target="_blank" title="devicenet總線插頭">devicenet總線插頭</a></li> <li><a href="/kyf763372625-SonList-421438/" target="_blank" title="profibus總線插頭">profibus總線插頭</a></li> <li><a href="/kyf763372625-SonList-329542/" target="_blank" title="M12連接器">M12連接器</a></li> <li><a href="/kyf763372625-SonList-288092/" target="_blank" title="M12插座">M12插座</a></li> </ul> </li> <li><a href="/kyf763372625-ParentList-461266/" title="AISG線束">AISG線束</a> <ul class="two_profl"> <li><a href="/kyf763372625-SonList-554995/" target="_blank" title="AISG航空插座">AISG航空插座</a></li> <li><a href="/kyf763372625-SonList-554994/" target="_blank" title="AISG航空插頭連接器">AISG航空插頭連接器</a></li> </ul> </li> <li><a href="/kyf763372625-ParentList-1204480/" title="機(jī)器人">機(jī)器人</a> <ul class="two_profl"> <li><a href="/kyf763372625-SonList-1204481/" target="_blank" title="快換裝置">快換裝置</a></li> </ul> </li> <li><a href="/kyf763372625-ParentList-1213191/" title="流量">流量</a> <ul class="two_profl"> <li><a href="/kyf763372625-SonList-1213192/" target="_blank" title="流量開關(guān)">流量開關(guān)</a></li> </ul> </li> <li><a href="/kyf763372625-ParentList-1213443/" title="總線模塊總線分線盒">總線模塊總線分線盒</a> <ul class="two_profl"> <li><a href="/kyf763372625-SonList-1213444/" target="_blank" title="模塊">模塊</a></li> </ul> </li> <li><a href="/kyf763372625-ParentList-1213646/" title="轉(zhuǎn)接器">轉(zhuǎn)接器</a> <ul class="two_profl"> <li><a href="/kyf763372625-SonList-1213648/" target="_blank" title="N-TNC轉(zhuǎn)接器">N-TNC轉(zhuǎn)接器</a></li> </ul> </li> <li><a 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href="/products.html">產(chǎn)品中心</a> > <span>RJ45 M12工業(yè)以太網(wǎng)交換機(jī)連接器D編碼2</span> </div> </div> <div class="zw5jam9d" id="nr_main_box"> <div class="zw5jam9d" id="pro_detail_box01"> <div class="zw5jam9d" id="pro_detail_text"> <h1>RJ45 M12工業(yè)以太網(wǎng)交換機(jī)連接器D編碼2</h1> <div id="zw5jam9d" class="pro_gwc_an_box"> <p> <div class="zw5jam9d" id="bdshare" class="bdshare_t bds_tools get-codes-bdshare"> <span id="zw5jam9d" class="bds_more" style=" line-height:18px;">分享到：</span> <a class="bds_qzone"></a> <a class="bds_tsina"></a> <a class="bds_tqq"></a> <a class="bds_renren"></a> <a class="bds_t163"></a> <a class="shareCount"></a> </div> <script type="text/javascript" id="bdshare_js" data="type=tools&uid=0" ></script> <script type="text/javascript" id="bdshell_js"></script> <script type="text/javascript"> document.getElementById("bdshell_js").src = "http://bdimg.share.baidu.com/static/js/shell_v2.js?cdnversion=" + Math.ceil(new Date()/3600000) </script> </p> </div> </div> <div class="zw5jam9d" id="prodetail_img"> <span> <img src="http://img64.gkzhan.com/gxhpic_3b9307fd41/5eceadd4559dcfd2b4e7ddbbd168e6a055349f6f3b94eb2d1609fd561ff50d86fe786117311b14a6.jpg" onload="AutoResizeImage(730,300,this)"> </span> </div> </div>  <div class="zw5jam9d" id="ny_pro_box02"> <div class="zw5jam9d" id="con"> <ul id="tags"> <li class=selectTag><A onmouseover="selectTag('tagContent0',this)" href="javascript:void(0)"onFocus="this.blur()">產(chǎn)品介紹</A> </LI> <li><A onmouseover="selectTag('tagContent1',this)" href="javascript:void(0)"onFocus="this.blur()">在線留言</A> </LI> </ul> <div class="zw5jam9d" id=tagContent> <div id="zw5jam9d" class="tagContent selectTag" id=tagContent0> <p style="text-indent: 37px;" dir="ltr"><span style="letter-spacing: 0px; font-family: 宋體; font-size: 19px;"><span style="font-family: 宋體;">隨著現(xiàn)代工業(yè)的發(fā)展，工業(yè)以太網(wǎng)與現(xiàn)場總線已經(jīng)成為一個(gè)密不可分的一體，以</span><span style="font-family: 宋體;"><strong>RJ45 M12工業(yè)以太網(wǎng)交換機(jī)連接器D編碼</strong>為代表?，F(xiàn)場總線與工業(yè)以太網(wǎng)的緊密結(jié)合大大縮短了工業(yè)設(shè)計(jì)以及安裝所造成成本高、安裝麻煩、對(duì)工人的技術(shù)要求。</span></span><span style="letter-spacing: 0px; font-family: 宋體; font-size: 19px;"></span></p><p style="text-align: center;"></p><p style="text-indent: 37px;" dir="ltr"><span style="letter-spacing: 0px; font-family: 宋體; font-size: 19px;"></span><span style="letter-spacing: 0px; font-family: 宋體; font-size: 19px;">RJ45</span><span style="letter-spacing: 0px; font-family: 宋體; font-size: 19px;"> </span><span style="letter-spacing: 0px; font-family: 宋體; font-size: 19px;">M12工業(yè)以太網(wǎng)交換機(jī)連接器按照針腳定義自制的工業(yè)以太網(wǎng)通訊線，用萬用表測量兩頭導(dǎo)通沒問題，結(jié)果用到現(xiàn)場死活通訊不上，TP燈慢速閃爍，這是為什么呢？是交換機(jī)端口功率不夠么？很顯然不是，這次連直接用PC上的端口都掃描不到現(xiàn)場的以太網(wǎng)設(shè)備！已經(jīng)入夜很久，客戶堅(jiān)稱網(wǎng)線是沒問題的，難道就這么通宵耗下去？</span></p><p style="margin: 4px 0px; text-indent: 37px;"><span style="letter-spacing: 0px; font-family: 宋體; font-size: 19px;"><span style="font-family: 宋體;">當(dāng)然不是，直接把一根短的（約</span><span style="font-family: 宋體;">1米）一端M12一端RJ45的網(wǎng)線插到現(xiàn)場設(shè)備網(wǎng)口上，用筆記本電腦網(wǎng)口來PING現(xiàn)場設(shè)備，我們就立即掃描到該現(xiàn)場以太網(wǎng)設(shè)備。因此，我們還是好好來看看這條網(wǎng)線是怎么回事，既然針腳定義與實(shí)際接線都沒問題，那么這個(gè)問題應(yīng)該集中在網(wǎng)線電纜上！這是一條什么網(wǎng)線呢？工業(yè)級(jí)的，8芯，約100米。</span></span><span style="letter-spacing: 0px; font-family: 宋體; font-size: 19px;"><br></span><span style="letter-spacing: 0px; font-family: 宋體; font-size: 19px;"><span style="font-family: 宋體;">肯定是網(wǎng)線太長的原因，但是生產(chǎn)線布局都定死了，縮短接線距離是不現(xiàn)實(shí)的，怎么辦？</span><span style="font-family: 宋體;">8芯？嗯嗯，問題就在這里了！我們知道西門子提供的標(biāo)準(zhǔn)PROFINET網(wǎng)線，在RJ45水晶頭里是只用4個(gè)針腳的，而第4、5、7、8號(hào)針腳干脆就不接線?，F(xiàn)場客戶自制的一端M12一端RJ45網(wǎng)線，RJ45水晶頭里的8個(gè)針腳都接著線，但這又有什么關(guān)系呢？</span></span></p><p style="text-align: center;"></p><p style="margin: 4px 0px; text-indent: 37px;"><span style="letter-spacing: 0px; font-family: 宋體; font-size: 19px;"><span style="font-family: 宋體;"></span></span><span style="letter-spacing: 0px; font-family: 宋體; font-size: 19px;"><br></span><span style="letter-spacing: 0px; font-family: 宋體; font-size: 19px;"><span style="font-family: 宋體;">不管怎樣，我們先把</span><span style="font-family: 宋體;">RJ45水晶頭里第4、5、7、8號(hào)針腳上的網(wǎng)線線纜全部剝離再試試，結(jié)果TP燈馬上就激活了，有戲！接下來對(duì)每個(gè)RJ45水晶頭4、5、7、8號(hào)腳做這樣的處理，之后很快就完成了PROFINET通訊組態(tài)，并使整個(gè)PROFINET網(wǎng)絡(luò)通訊成功運(yùn)行起來。</span></span><span style="letter-spacing: 0px; font-family: 宋體; font-size: 19px;"><br></span><span style="letter-spacing: 0px; font-family: 宋體; font-size: 19px;"><span style="font-family: 宋體;">現(xiàn)在我們知道了，長距離</span><span style="font-family: 宋體;">8芯網(wǎng)線里，帶電的4、5、7、8號(hào)線纜對(duì)于1、3、2、6號(hào)線纜的確是有干擾的，這到底是為什么呢？當(dāng)然，我們可以用籠統(tǒng)的線路損耗的原理來解釋這個(gè)現(xiàn)象，但是我總感覺缺少什么。</span></span></p><p style="margin: 4px 0px; text-indent: 37px;"><span style="letter-spacing: 0px; font-family: 宋體; font-size: 19px;"><span style="font-family: 宋體;">如果一條</span><span style="font-family: 宋體;">8根芯都帶電的網(wǎng)線，長達(dá)100米，那么在布線期間，網(wǎng)線內(nèi)部的這8根芯很可能發(fā)生輕微內(nèi)部互相纏繞。</span></span></p><p style="text-align: center;"></p><p style="margin: 4px 0px; text-indent: 37px;"><span style="letter-spacing: 0px; font-family: 宋體; font-size: 19px;"><span style="font-family: 宋體;"></span></span><span style="letter-spacing: 0px; font-family: 宋體; font-size: 19px;"><br></span><span style="letter-spacing: 0px; font-family: 宋體; font-size: 19px;"><span style="font-family: 宋體;">線圈，就是線纜纏繞的情況，RJ45 M12工業(yè)以太網(wǎng)交換機(jī)連接器D編碼線圈形成了電感，輕微的纏繞，就是輕微的電感，我們可以稱之為通訊電纜中的內(nèi)部寄生電感，電感是一種儲(chǔ)能元件，雖然儲(chǔ)存的是無功功率，但是根據(jù)功率三角形，它增加了視在功率的消耗，其實(shí)就是吸收了交換機(jī)端口的功率與能量，導(dǎo)致端口功率跟不上消耗，導(dǎo)致網(wǎng)絡(luò)鏈路建立失敗。所以，砍掉</span><span style="font-family: 宋體;">4、5、7、8號(hào)芯就是砍掉了工業(yè)以太網(wǎng)通訊網(wǎng)線線纜中的內(nèi)部寄生電感。</span></span><span style="letter-spacing: 0px; font-family: 宋體; font-size: 19px;"><br></span><span style="letter-spacing: 0px; font-family: 宋體; font-size: 19px;"> M12 連接器 RJ45 水晶頭</span><span style="letter-spacing: 0px; font-family: 宋體; font-size: 19px;"><br></span><span style="letter-spacing: 0px; font-family: 宋體; font-size: 19px;">- Pin 1: TD+ - Pin 1: TD+</span><span style="letter-spacing: 0px; font-family: 宋體; font-size: 19px;"><br></span><span style="letter-spacing: 0px; font-family: 宋體; font-size: 19px;">- Pin 2: RD+ - Pin 3: RD+</span><span style="letter-spacing: 0px; font-family: 宋體; font-size: 19px;"><br></span><span style="letter-spacing: 0px; font-family: 宋體; font-size: 19px;">- Pin 3: TD- - Pin 2: TD-</span><span style="letter-spacing: 0px; font-family: 宋體; font-size: 19px;"><br></span><span style="letter-spacing: 0px; font-family: 宋體; font-size: 19px;">- Pin 4: RD- - Pin 6: RD-</span></p><p style="margin: 4px 0px; text-indent: 0px;"><span style="letter-spacing: 0px; font-size: 11px;"><span style="font-family: sans-serif;">更多相關(guān)</span>RJ45 —M12工業(yè)以太網(wǎng)交換機(jī)連接器請(qǐng)致電科迎法胡工。</span></p><p><span style="letter-spacing: 0px; font-size: 11px;"> </span></p><p><br><br></p><p><br></p><p><br></p> </div> <div id="zw5jam9d" class="tagContent" id=tagContent1> <table width="100%" border="0" align="center" cellpadding="0" cellspacing="0" id="MSGTable"> <tr> <td height="23" bgcolor="#EBEBEB">　如果你對(duì)<b>RJ45 M12工業(yè)以太網(wǎng)交換機(jī)連接器D編碼2</b>感興趣，想了解更詳細(xì)的產(chǎn)品信息，填寫下表直接與廠家聯(lián)系：</td> </tr> </table> <br /> <link rel="stylesheet" type="text/css" href="/css/MessageBoard_style.css"> <script language="javascript" src="/skins/Scripts/order.js?v=20210318" type="text/javascript"></script> <a name="order" id="order"></a> <div id="zw5jam9d" class="ly_msg" id="ly_msg"> <form method="post" name="form2" id="form2"> <h3>留言框 </h3> <ul> <li> <h4 class="xh">產(chǎn)品：</h4> <div id="zw5jam9d" class="msg_ipt1"><input class="textborder" size="30" name="Product" id="Product" value="RJ45 M12工業(yè)以太網(wǎng)交換機(jī)連接器D編碼2" placeholder="請(qǐng)輸入產(chǎn)品名稱" /></div> </li> <li> <h4>您的單位：</h4> <div id="zw5jam9d" class="msg_ipt12"><input class="textborder" size="42" name="department" id="department" placeholder="請(qǐng)輸入您的單位名稱" /></div> </li> <li> <h4 class="xh">您的姓名：</h4> <div id="zw5jam9d" class="msg_ipt1"><input class="textborder" size="16" name="yourname" id="yourname" placeholder="請(qǐng)輸入您的姓名"/></div> </li> <li> <h4 class="xh">聯(lián)系電話：</h4> <div id="zw5jam9d" class="msg_ipt1"><input class="textborder" size="30" name="phone" id="phone" placeholder="請(qǐng)輸入您的聯(lián)系電話"/></div> </li> <li> <h4>常用郵箱：</h4> <div id="zw5jam9d" class="msg_ipt12"><input class="textborder" size="30" name="email" id="email" placeholder="請(qǐng)輸入您的常用郵箱"/></div> </li> <li> <h4>省份：</h4> <div id="zw5jam9d" class="msg_ipt12"><select id="selPvc" class="msg_option"> <option value="0" selected="selected">請(qǐng)選擇您所在的省份</option> <option value="1">安徽</option> <option value="2">北京</option> <option value="3">福建</option> <option value="4">甘肅</option> <option value="5">廣東</option> <option value="6">廣西</option> <option value="7">貴州</option> <option value="8">海南</option> <option value="9">河北</option> <option value="10">河南</option> <option value="11">黑龍江</option> <option value="12">湖北</option> <option value="13">湖南</option> <option value="14">吉林</option> <option value="15">江蘇</option> <option value="16">江西</option> <option value="17">遼寧</option> <option value="18">內(nèi)蒙古</option> <option value="19">寧夏</option> <option value="20">青海</option> <option value="21">山東</option> <option value="22">山西</option> <option value="23">陜西</option> <option value="24">上海</option> <option value="25">四川</option> <option value="26">天津</option> <option value="27">新疆</option> <option value="28">西藏</option> <option value="29">云南</option> <option value="30">浙江</option> <option value="31">重慶</option> <option value="32">香港</option> <option value="33">澳門</option> <option value="34">中國臺(tái)灣</option> <option value="35">國外</option> </select></div> </li> <li> <h4>詳細(xì)地址：</h4> <div id="zw5jam9d" class="msg_ipt12"><input class="textborder" size="50" name="addr" id="addr" placeholder="請(qǐng)輸入您的詳細(xì)地址"/></div> </li> <li> <h4>補(bǔ)充說明：</h4> <div id="zw5jam9d" class="msg_ipt12 msg_ipt0"><textarea class="areatext" style="width:100%;" name="message" rows="8" cols="65" id="message" placeholder="請(qǐng)輸入您的任何要求、意見或建議"></textarea></div> </li> <li> <h4 class="xh">驗(yàn)證碼：</h4> <div id="zw5jam9d" class="msg_ipt2"> <div id="zw5jam9d" class="c_yzm"> <input class="textborder" size="4" name="Vnum" id="Vnum"/> <a href="javascript:void(0);" class="yzm_img"><img src="/Image.aspx" title="點(diǎn)擊刷新驗(yàn)證碼" onclick="this.src='/image.aspx?'+ Math.random();" width="90" height="34" /></a> </div> <span>請(qǐng)輸入計(jì)算結(jié)果（填寫阿拉伯?dāng)?shù)字），如：三加四=7</span> </div> </li> <li> <h4></h4> <div id="zw5jam9d" class="msg_btn"><input type="button" onclick="return Validate();" value="提交" name="ok" class="msg_btn1"/><input type="reset" value="重填" name="no" /></div> </li> </ul> <input name="PvcKey" id="PvcHid" type="hidden" value="" /> </form> </div> </div> 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