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class="pic"><img src="http://tyunfile.71360.com/UploadFile/yingpaier/637185996559863281/8031204.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="xczjspm" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/yingpaier/637185996559863281/8031204.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="tyf2tqy" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>云南省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>云南JD6000-V哪個(gè)品牌好,J</p><p><span>***更新：</span>2021-01-01 10:05:26</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="7qnholn" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">昆明英派爾科技有限公司營銷部</a></p><p><span>聯(lián)系人：</span>閆先生</p><p><span>郵箱: </span>2634648451@qq.com</p><p><span>電話: </span>13888518470</p><p><span>傳真: </span>0871_65395955</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0871-63333026</p><p><span>地址: </span>昆明市經(jīng)開區(qū)經(jīng)景路38號(hào)浩宏產(chǎn)業(yè)園A8六樓601號(hào)</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="8tqxpwo" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="d7d8btq" class="box"><p><p style="text-indent:25px">電流變送器工作原理 XTR115采用SO-8小型化封裝，其內(nèi)部電路框圖及基本應(yīng)用電路如圖1所示。U+為電源端，接環(huán)路電源。UREF為2.5V基準(zhǔn)電壓輸出端。II端接輸入電流。IRET為基準(zhǔn)電壓源輸出電流和穩(wěn)壓器輸出電流的返回端，可作為輸入電路的公共地。OUT為4~20mA電流輸出端。UREG為+5V穩(wěn)壓器的輸出端。B和E端為外部功率管的接口，分別接功率管的基極（B）和發(fā)射極（E）。功率管的集電極（C）接U+端。芯片內(nèi)部主要包括輸入放大器（A），云南JD6000-V哪個(gè)品牌好，電阻網(wǎng)絡(luò)，輸出晶體管（VT1），2.5V基準(zhǔn)電壓源和+5V穩(wěn)壓器。RLIM為內(nèi)部限流電阻。**元器件主要有輸入電阻（RI），云南JD6000-V哪個(gè)品牌好，功率管（VT2），環(huán)路電源（Us）和負(fù)載電阻（RL）。輸入電壓UI先經(jīng)過RI轉(zhuǎn)換成輸入電流II，再經(jīng)過XTR115放大后從OUT端輸出4~20mA的電流信號(hào)。為減小失調(diào)電壓以及輸入放大器的漂移量，要求UI》0.5VJD6000廠家報(bào)價(jià)，云南JD6000-V哪個(gè)品牌好、單功能變送器，昆明英派爾科技有限公司。云南JD6000-V哪個(gè)品牌好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="云南JD6000-V哪個(gè)品牌好,J" src="http://tyunfile.71360.com/UploadFile/yingpaier/637185996559863281/8031204.jpg"></div><p style="text-indent:25px">直流電流變送器將被測(cè)信號(hào)變換成一電壓，經(jīng)HCNR200/201線性光耦直接變換成一個(gè)與被測(cè)信號(hào)成極好線性關(guān)系并且完全隔離的電壓，再經(jīng)恒壓（流）至輸出。具有原理非常簡單，線路設(shè)計(jì)精煉，可靠性高，安裝方便等優(yōu)點(diǎn)。電流變送器可以直接將被測(cè)主回路中的交流電流轉(zhuǎn)換成按線性比例輸出的直流4～20mA（通過250Ω電阻轉(zhuǎn)換成直流1～5V或通過500Ω電阻轉(zhuǎn)換直流2～10V）恒流環(huán)標(biāo)準(zhǔn)信號(hào)，連續(xù)輸送到接收裝置（計(jì)算機(jī)或顯示儀表）。昆明英派爾科技有限公司。昆明JD6000-F公司JD6000功能、單功能變送器，昆明英派爾科技有限公司。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="云南JD6000-V哪個(gè)品牌好,J" src="http://tyunfile.71360.com/UploadFile/yingpaier/637185996558994140/8114044.jpg"></div><p> 這部分是電量變送器的**，通過它把不同的被測(cè)電量轉(zhuǎn)換成相應(yīng)的輸出電量，相應(yīng)于不同的被測(cè)電量而采用不同的轉(zhuǎn)換電路。具體電路將在后面再詳細(xì)介紹。這部分電路的作用是輸出變送器需要輸出的電量，它的基本要求是：a.具有一定的帶負(fù)載能力；b.恒定輸出。即在一定的負(fù)載范圍內(nèi)，其輸出值不受負(fù)載變化的影響，即在電壓輸出時(shí)，應(yīng)為恒壓輸出，電流輸出時(shí)應(yīng)為恒流輸出。有的變送器有可能該電路和電量轉(zhuǎn)換電路合并在一起。 </p> <p> 【產(chǎn)品詳情、批發(fā)、訂購請(qǐng)來電咨詢，我們將會(huì)給您** 優(yōu)惠的價(jià)格，誠摯期待您的來電】。 </p><p> 作用是把大的電流，按一定比率變成小的電流，便于檢測(cè)。帶有大電流的導(dǎo)線從電流變送器的穿孔中間經(jīng)過，在電流變送器的輸出端就會(huì)測(cè)量出導(dǎo)線的電流。交流變送器和直流變送器都屬于電流變送器。 </p> <p> 特點(diǎn)： </p> <p> 1、準(zhǔn)確度高（典型：0.2% 比較好0.05%）； </p> <p> 2、整個(gè)量程范圍都有極高的線性度； </p> <p> 3、集成化程度高，結(jié)構(gòu)簡單，優(yōu)良的溫度特性和長期工作穩(wěn)定性，使變送器免于定期校驗(yàn)。 </p> <p> 【產(chǎn)品詳情、批發(fā)、訂購請(qǐng)來電咨詢，我們將會(huì)給您** 優(yōu)惠的價(jià)格，誠摯期待您的來電】。云南JD6000、單功能變送器，昆明英派爾科技有限公司。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="云南JD6000-V哪個(gè)品牌好,J" src="http://tyunfile.71360.com/UploadFile/yingpaier/637185996559042968/7122777.jpg"></div><p> 電流變送器的應(yīng)用電流變送器在單片機(jī)控制的許多應(yīng)用場(chǎng)合，都要使用變送器來將單片機(jī)不能直接測(cè)量的信號(hào)轉(zhuǎn)換成單片機(jī)可以處理的電模擬信號(hào)，如電流變送器，壓力變送器、溫度變送器、流量變送器等。早期的變送器大多為電壓輸出型，即將測(cè)量信號(hào)轉(zhuǎn)換為0-5V電壓輸出，這是運(yùn)放直接輸出，信號(hào)功率《0.05W，通過模擬/數(shù)字轉(zhuǎn)換電路轉(zhuǎn)換數(shù)字信號(hào)供單片機(jī)讀取、控制。 </p> <p> 【產(chǎn)品詳情、批發(fā)、訂購請(qǐng)來電咨詢，我們將會(huì)給您** 優(yōu)惠的價(jià)格，誠摯期待您的來電】。 JD6000、單功能變送器哪個(gè)品牌性能好，昆明英派爾科技有限公司。云南JD6000-F生產(chǎn)廠商</p><p style="text-indent:25px">JD6000哪家好、單功能變送器，昆明英派爾科技有限公司。云南JD6000-V哪個(gè)品牌好</p><p> 兩線制電流變送器（上） </p> <p> 兩線制是指現(xiàn)場(chǎng)變送器與控制室儀表聯(lián)系*用兩根導(dǎo)線，這兩根線既是電源線，又是信號(hào)線。兩線制與三線制 (一根正電源線，兩根信號(hào)線,其中一根共GND) 和四線制(兩根正負(fù)電源線，兩根信號(hào)線,其中一根GND)相比，兩線制的優(yōu)點(diǎn)是： </p> <p> 1、不易受寄生熱電偶和沿電線電阻壓降和溫漂的影響，可用非常便宜的更細(xì)的導(dǎo)線；可節(jié)省大量電纜線和安裝費(fèi)用； </p> <p> 2、在電流源輸出電阻足夠大時(shí)，經(jīng)磁場(chǎng)耦合感應(yīng)到導(dǎo)線環(huán)路內(nèi)的電壓，不會(huì)產(chǎn)生明顯影響，因?yàn)楦蓴_源引起的電流極小，一般利用雙絞線就能降低干擾；兩線制與三線制必須用屏蔽線,屏蔽線的屏蔽層要妥善接地。云南JD6000-V哪個(gè)品牌好</p><p style="text-indent:25px">昆明英派爾科技有限公司是一家有著雄厚實(shí)力背景、信譽(yù)可靠、勵(lì)精圖治、展望未來、有夢(mèng)想有目標(biāo)，有組織有體系的公司，堅(jiān)持于帶領(lǐng)員工在未來的道路上大放光明，攜手共畫藍(lán)圖，在云南省昆明市等地區(qū)的電工電氣行業(yè)中積累了大批忠誠的客戶粉絲源，也收獲了良好的用戶口碑，為公司的發(fā)展奠定的良好的行業(yè)基礎(chǔ)，也希望未來公司能成為*****，努力為行業(yè)領(lǐng)域的發(fā)展奉獻(xiàn)出自己的一份力量，我們相信精益求精的工作態(tài)度和不斷的完善創(chuàng)新理念以及自強(qiáng)不息，斗志昂揚(yáng)的的企業(yè)精神將**英派爾科技和您一起攜手步入輝煌，共創(chuàng)佳績，一直以來，公司貫徹執(zhí)行科學(xué)管理、創(chuàng)新發(fā)展、誠實(shí)守信的方針，員工精誠努力，協(xié)同奮取，以品質(zhì)、服務(wù)來贏得市場(chǎng)，我們一直在路上！</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/2659077.html</p></div></div></div></div></div><div id="mdqsrf4" class="page-right twoColRt"><div id="ckcurjg" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="n4drrld" class="recomPic likePro"><a href="http://m.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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