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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>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>南京電動(dòng)信號(hào)反饋器工廠,信號(hào)反饋器</p><p><span>***更新：</span>2021-02-05 13:18:48</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="hklrijp" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">無(wú)錫市凱爾利科技有限公司</a></p><p><span>聯(lián)系人：</span>陳經(jīng)理</p><p><span>郵箱: </span>414323414@qq.com</p><p><span>電話: </span>18118900923</p><p><span>傳真: </span>0510_</p><p><span>網(wǎng)址: </span>http://www.kerly.com.cn</p><p><span>手機(jī): </span>0510-81150880</p><p><span>地址: </span>梅村工業(yè)集中區(qū)錫鴻路48-2號(hào)樓</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="zn2pamx" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="mabmit3" class="box"><p><p style="text-indent:25px">閥門信號(hào)反饋器為在防爆場(chǎng)合使用，含有霍爾元件的電路部分應(yīng)使用防爆材料完全澆注，安裝在反饋器殼體中；磁場(chǎng)由永磁體產(chǎn)生，南京電動(dòng)信號(hào)反饋器工廠，并將永磁體安裝在與閥門同步運(yùn)動(dòng)的金屬連桿上，南京電動(dòng)信號(hào)反饋器工廠。為防止直行程閥門動(dòng)作時(shí)閥芯旋轉(zhuǎn)，需要產(chǎn)生圓形磁場(chǎng)保證霍爾傳感器正常工作。圓形磁場(chǎng)可以使用多個(gè)永磁體來(lái)產(chǎn)生。永磁體磁場(chǎng)比較穩(wěn)定，南京電動(dòng)信號(hào)反饋器工廠，壽命長(zhǎng)，滿足現(xiàn)代工業(yè)生產(chǎn)要求。閥門信號(hào)反饋器通過(guò)同軸連接件或反饋桿使傳動(dòng)軸產(chǎn)生旋轉(zhuǎn)，讓凸輪觸動(dòng)微型開(kāi)關(guān)，從而使開(kāi)關(guān)組件的觸點(diǎn)閉合或斷開(kāi)，通過(guò)接線端子向外部傳送開(kāi)關(guān)量信號(hào)，并通過(guò)指示器就地顯示。信號(hào)反饋器當(dāng)控制器偏差很小時(shí)（自適應(yīng)或可調(diào)死區(qū)狀態(tài)），則沒(méi)有控制指令輸出。南京電動(dòng)信號(hào)反饋器工廠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京電動(dòng)信號(hào)反饋器工廠,信號(hào)反饋器" src="https://tyunfile.71360.com/UploadFile/kaierli/637340405668720703/3929267.png"></div><p style="text-indent:25px">閥位回饋金屬桿的另一端插入到一個(gè)特定聚四氟乙烯的塑料卡槽中，卡槽外部半球形外殼上成對(duì)稱設(shè)置了兩組開(kāi)關(guān)標(biāo)注，用紅色表示關(guān)閉，黃色表示開(kāi)啟。切斷閥的開(kāi)關(guān)動(dòng)作通過(guò)金屬桿傳遞到就地指示的標(biāo)牌上，實(shí)現(xiàn)了閥門與指示牌同步動(dòng)作，從而能夠把閥門的開(kāi)關(guān)狀態(tài)通過(guò)醒目的顏色和標(biāo)注顯示出來(lái)?；诓煌墓δ堋⒔Y(jié)構(gòu)、操作形式閥門的類別異常繁多。信號(hào)反饋器通過(guò)一個(gè)伸縮桿（檢測(cè)探頭）感受汽缸活塞的運(yùn)動(dòng)，探頭可調(diào)范圍大，因此安裝允許誤差大，并可根據(jù)變送器上的指示燈的狀態(tài)確認(rèn)是否安裝正常；信號(hào)反饋器電路部分無(wú)須調(diào)試；上下閥位信號(hào)輸出線不需要鑒別極性就可以并聯(lián)接入柵。陜西電動(dòng)信號(hào)反饋器機(jī)構(gòu)閥門信號(hào)反饋器的增益就基本上不受開(kāi)環(huán)增益的影響。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京電動(dòng)信號(hào)反饋器工廠,信號(hào)反饋器" src="https://tyunfile.71360.com/UploadFile/kaierli/637340405398710938/328320.png"></div><p style="text-indent:25px">閥門信號(hào)反饋器在自動(dòng)調(diào)整過(guò)程中如果遇到故障，程序?qū)⒈黄冉K止并顯示出故障代碼，根據(jù)故障代碼，即可檢查出故障原因。也可以人為地強(qiáng)制中斷自動(dòng)調(diào)整程序。所進(jìn)行的自動(dòng)調(diào)整中所測(cè)得的參數(shù)將存儲(chǔ)在 EEPROM 中。接通信號(hào)源后，將輸入信號(hào)調(diào)節(jié)到12mA。系統(tǒng)會(huì)進(jìn)行自檢，然后進(jìn)入交替顯示閥位和輸入信號(hào)的值。此時(shí)系統(tǒng)有可能處于人工或自動(dòng)的狀態(tài)，取決于上次運(yùn)行斷電前的狀態(tài)。如果屏幕顯示閥位時(shí)使用（POS-M）說(shuō)明處于人工狀態(tài)；如果顯示閥位時(shí)使用（POS）說(shuō)明處于自動(dòng)狀態(tài)。然后按照流程圖操作即可完成設(shè)定。</p><p style="text-indent:25px">信號(hào)反饋器是依靠旋塞體繞閥體中心線旋轉(zhuǎn),以達(dá)到開(kāi)啟與關(guān)閉的目的。它的作用是切斷、分田和改變介質(zhì)流向。結(jié)構(gòu)簡(jiǎn)單,外形尺寸小,操作時(shí)只須旋轉(zhuǎn)90度,流體阻力也不大。信號(hào)反饋器是根據(jù)控制系統(tǒng)如DCS給定的4-20mA信號(hào)，即DCS輸出信號(hào)控制電動(dòng)調(diào)節(jié)閥的動(dòng)作。信號(hào)反饋器型號(hào)：HZH-WXFW，閥位信號(hào)：閥門開(kāi)度，可根據(jù)閥門開(kāi)啟行程要求，任意確定開(kāi)位信號(hào)；信號(hào)反饋器現(xiàn)場(chǎng)顯示：提供現(xiàn)場(chǎng)閥門開(kāi)度液晶顯示，準(zhǔn)確提示閥位行程；防爆等級(jí)：ExibIICT3；防護(hù)等級(jí)：IP65；發(fā)射功率：19dBm；工作溫度：-40～+85℃；供電方式：電池供電；電池更換周期：≥2年@30s。閥門信號(hào)反饋器無(wú)需挖溝布線，節(jié)省用戶施工成本。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京電動(dòng)信號(hào)反饋器工廠,信號(hào)反饋器" src="https://tyunfile.71360.com/UploadFile/kaierli/637340405640625000/7311995.png"></div><p style="text-indent:25px">閥門信號(hào)反饋器是根據(jù)控制系統(tǒng)如DCS給定的4-20mA信號(hào)，即DCS輸出信號(hào)控制電動(dòng)調(diào)節(jié)閥的動(dòng)作。多數(shù)場(chǎng)合是不需要電動(dòng)調(diào)節(jié)閥輸出閥位信號(hào)的，如果你確實(shí)需要此功能，可能需要在調(diào)節(jié)閥選型時(shí)增加此功能。閥門信號(hào)反饋器可以再閥門外部安裝機(jī)械式限位開(kāi)關(guān)。反饋到主控制的是一個(gè)4-20毫安的電流信號(hào)，閥門信號(hào)反饋器也可以在執(zhí)行器內(nèi)部安裝信號(hào)反饋器或限位器對(duì)于手動(dòng)開(kāi)關(guān)類閥門。大多數(shù)時(shí)候閥門信號(hào)反饋器指開(kāi)關(guān)量的位置反饋，實(shí)際上可能就是一個(gè)或兩個(gè)行程開(kāi)關(guān)；而位置變送器則指連續(xù)量的位置反饋裝置。閥門信號(hào)反饋器上有刻度，對(duì)應(yīng)不同行程的調(diào)節(jié)閥。南京電動(dòng)信號(hào)反饋器工廠</p><p style="text-indent:25px">閥門信號(hào)反饋器是位置控制和壓力控制之間的任意切換。南京電動(dòng)信號(hào)反饋器工廠</p><p style="text-indent:25px">閥門信號(hào)反饋器的新風(fēng)風(fēng)閥前設(shè)置新風(fēng)溫度及濕度傳感器，為模擬輸入節(jié)點(diǎn) ；新風(fēng)風(fēng)閥為開(kāi)度調(diào)節(jié)，設(shè)置風(fēng)閥控制的模擬輸出節(jié)點(diǎn)以及風(fēng)閥反饋的模擬輸入節(jié)點(diǎn) ；過(guò)濾器處設(shè)置壓差傳感器，為數(shù)字輸入節(jié)點(diǎn) ；盤(pán)管處回水兩通閥設(shè)置閥門控制的模擬輸出節(jié)點(diǎn)、閥門開(kāi)度反饋的模擬輸入節(jié)點(diǎn)，以及盤(pán)管防凍報(bào)警的數(shù)字輸入節(jié)點(diǎn) ；加濕器給水兩通閥設(shè)置數(shù)字輸出節(jié)點(diǎn)，控制閥門啟停；送風(fēng)管道處設(shè)置送風(fēng)溫度和濕度傳感器，檢測(cè)送風(fēng)溫濕度，均為模擬輸入節(jié)點(diǎn)。以上方案中也可做簡(jiǎn)化，如風(fēng)機(jī)處取消前后壓差傳感器；取消新風(fēng)風(fēng)閥前的溫濕度傳感器；新風(fēng)風(fēng)閥由開(kāi)度調(diào)節(jié)改為啟閉控制，取消閥門反饋信號(hào) ；盤(pán)管前取消防凍報(bào)警；盤(pán)管回水閥門取消閥門開(kāi)度反饋；送風(fēng)出口側(cè)取消送風(fēng)濕度傳感器等?？纱蠓?jiǎn)化控制節(jié)點(diǎn)，減少投資。南京電動(dòng)信號(hào)反饋器工廠</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/3177507.html</p></div></div></div></div></div><div id="loplcdj" class="page-right twoColRt"><div id="bef8z8g" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="leabct7" class="recomPic likePro"><a href="http://www.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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