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class="proBig"><div id="ptaxzgs" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/8/20/11/637018981911300941_nhsdo_8365549.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="o87hlsz" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/8/20/11/637018981911300941_nhsdo_8365549.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="utlskwy" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>河北省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>安徽GPRS-dtu外殼公司,GPRS-dtu外殼</p><p><span>***更新：</span>2020-07-11 10:14:30</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="bkre8fh" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">滄州萬瑞電子機箱有限公司</a></p><p><span>聯(lián)系人：</span>李文超</p><p><span>郵箱: </span>2816163037@qq.com</p><p><span>電話: </span>19103271861</p><p><span>傳真: </span>0317_4371300</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>0317-4371300</p><p><span>地址: </span>河北省滄州市青縣農(nóng)場四分場</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="t7f8kmo" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="f23aczg" class="box"><p><p style="text-indent:25px"> 電源　　輸入電壓：DTP_RB+ DTP_RC+: +5～12V DC。DTP_RD+: 12~24VDC 　　功耗：比較大電力耗費5W。待機電力耗費0.5W。 ? 功耗待機 3G:40~55mA@12VDC 2G:36~40mA@12VDC 通訊 3G:88~190mA@12VDC 2G:62~68mA@12VDC ? 外型尺度　　DTP_RD+型：PVC塑料外殼，安徽GPRS-dtu外殼公司，尺度：98×90×37mm 外殼金屬外殼，維護(hù)等級IP30。外殼和體系安全隔離，特別合適工控現(xiàn)場運用 ? 環(huán)境　　作業(yè)溫度：-20℃～55℃ 　　存儲溫度：-40℃～85℃ 　　相對濕度：5%～95%不結(jié)露　　環(huán)境要求：無腐蝕性氣體，安徽GPRS-dtu外殼公司，安徽GPRS-dtu外殼公司，無液體噴濺，無金屬粉塵，無激烈震動，無激烈電磁攪擾。　　信號強度：有手機信號（中國移動或中國聯(lián)通）安徽GPRS-dtu外殼公司</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安徽GPRS-dtu外殼公司,GPRS-dtu外殼" src="http://tyunfile.71360.com/UpLoadFile/2019/8/20/11/637018981911300941_nhsdo_8365549.jpg"></div><p style="text-indent:25px">簡介 GPRS DTU是一種物聯(lián)網(wǎng)無線數(shù)據(jù)終端，運用公用運營商網(wǎng)絡(luò)GPRS網(wǎng)絡(luò)(又稱G網(wǎng))為用戶供給無線長間隔數(shù)據(jù)傳輸功用. 選用高功能的工業(yè)級8/16/32位通訊處理器和工業(yè)級無線模塊，以嵌入式實時操作體系為軟件支撐平臺，一起供給RS232和RS485（或RS422）接口，可直接銜接串口設(shè)備，完成數(shù)據(jù)通明傳輸功用。該GPRS DTU已廣（guang）泛運用于物聯(lián)網(wǎng)產(chǎn)業(yè)鏈中的M2M職業(yè)，如智能電網(wǎng)、智能交通、智能家居、金融、移動POS終端、供應(yīng)鏈主動化、工業(yè)主動化、智能建筑、消防、公共安全、環(huán)境維護(hù)、氣候、數(shù)字化醫(yī)療、遙感勘測、農(nóng)業(yè)、林業(yè)、水務(wù)、煤礦、石化等范疇。安徽GPRS-dtu外殼企業(yè)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安徽GPRS-dtu外殼公司,GPRS-dtu外殼" src="http://tyunfile.71360.com/UpLoadFile/2019/8/20/11/637018976233070085_nhsdo_5181040.jpg"></div><p style="text-indent:25px">支持自動心跳，保持長久在線 GPRS通信網(wǎng)絡(luò)的優(yōu)點之一就是支持GPRS終端設(shè)備長久在線，因此典型的GPRS DTU 在設(shè)計上都支持長久在線功能，這就要求DTU包含了上電自動撥號、采用心跳包保持長久在線（當(dāng)長時間沒有數(shù)據(jù)通信時，移動網(wǎng)關(guān)將斷開DTU與中心的連接，心跳包就是DTU與數(shù)據(jù)中心在連接被斷開之前發(fā)送一個小數(shù)據(jù)包，以保持連接不被斷開）、支持?jǐn)嗑€自動重連、自動重?fù)芴柕忍攸c。支持參數(shù)配置，長久保存 GPRS DTU作為一種通信設(shè)備，其應(yīng)用場合十分廣（guang）泛。在不同的應(yīng)用中，數(shù)據(jù)中心的IP地址及端口號，串口的波特率等都是不同的。因此，GPRS DTU都應(yīng)支持參數(shù)配置，并且將配置好的參數(shù)保存內(nèi)部的長久存儲器件內(nèi)（一般為FLASH或EEPROM 等）。一旦上電，就自動按照設(shè)置好的參數(shù)進(jìn)行工作。 GPRS DTU的擴(kuò)展功能：較為專業(yè)的GPRS DTU還提供一些擴(kuò)展功能，主要包括：支持?jǐn)?shù)據(jù)中心域名解析 </p><p style="text-indent:25px">GPRS DTU運用場合一般可以從以下幾個實際運用角度來講：（1）現(xiàn)場只能運用無線通訊環(huán)境當(dāng)數(shù)據(jù)采集現(xiàn)場的設(shè)備需求在移動中作業(yè)，或許采集現(xiàn)場處于野外等狀況下，無法供給有線通訊的環(huán)境。這個時分，選用GPRS無線網(wǎng)絡(luò)就或許是一個好的挑選，因為GPRS網(wǎng)絡(luò)的掩蓋率在國內(nèi)現(xiàn)已很高，全國大部分地區(qū)均有GPRS信號掩蓋。（2）現(xiàn)場終端的傳輸間隔分散因為GPRS網(wǎng)絡(luò)是掩蓋全國的公共網(wǎng)絡(luò)，因而選用GPRS來傳輸數(shù)據(jù)的一大優(yōu)勢便是現(xiàn)場采集點可以分步在全國規(guī)模，數(shù)據(jù)中心與現(xiàn)場采集點之間的間隔不受約束。無線公網(wǎng)通訊（包含GPRS/CDMA網(wǎng)絡(luò),3G網(wǎng)絡(luò)等）這個十分明顯的長處是**無線通訊網(wǎng)絡(luò)（比方數(shù)傳電臺，WiMax，WLAN等）無法到達(dá)的。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安徽GPRS-dtu外殼公司,GPRS-dtu外殼" src="http://tyunfile.71360.com/UpLoadFile/2019/8/20/11/637018976233383071_nhsdo_2282667.jpg"></div><p style="text-indent:25px">規(guī)格參數(shù) 編輯 ? 通訊接口　　規(guī)范串行通訊接口：可挑選RS232 / TTL電平。出廠預(yù)設(shè)為RS232電平接口。　　數(shù)據(jù)格式：1位起始位，8位數(shù)據(jù)位，1位中止位，無校驗位。　　通訊速率：9600bps 　　功用：設(shè)置作業(yè)參數(shù)、預(yù)設(shè)報**碼等 ? 開關(guān)量輸入　　輸入通道數(shù)：8路。　　輸入電平：TTL電平，內(nèi)部3.3V高電平上拉，可以直接銜接無源觸點?？梢远ㄖ乒飧糨斎?。　　報警設(shè)置：每一路都可以發(fā)送報警短信，也可以主動撥打報警電話。　　功用：狀況監(jiān)測，用于火災(zāi)、防盜等報警，設(shè)備故障上報　　B+B、DTP_RB+C、DTP_RC+B、DTP_RC+C、DTP_RD+B、DTP_R適用型號：DTP_R 安徽GPRS-dtu外殼企業(yè)</p><p style="text-indent:25px">安徽GPRS-dtu外殼公司</p><p style="text-indent:25px">DTU發(fā)送的懇求信息是因特網(wǎng)上的數(shù)據(jù)包，有一些原因會阻止中心收到銜接懇求包，這樣也就不能樹立銜接。最常見的有中心的電腦上有殺毒軟件、防火墻等把這些數(shù)據(jù)包給屏蔽了。另一是中心電腦是經(jīng)過路由器上網(wǎng)的，在路由器上要設(shè)置數(shù)據(jù)轉(zhuǎn)發(fā)。SOCKET銜接樹立后就可以雙向通訊了。作業(yè)進(jìn)程 GPRS DTU上電后，首要讀出內(nèi)部FLASH中保存的作業(yè)參數(shù)（包含GPRS撥號參數(shù)，串口波特率，數(shù)據(jù)中心IP地址等等，事前現(xiàn)已裝備好）。 GPRS DTU登陸GSM網(wǎng)絡(luò)，然后進(jìn)行GPRS PPP撥號。撥號成功后，GPRS DTU將取得一個由移動隨機分配的內(nèi)部IP地址(一般是10.X.X.X)。也便是說，GPRS DTU處于移動內(nèi)網(wǎng)中，而且其內(nèi)網(wǎng)IP地址通常是不固定的，隨著每次撥號而變化。咱們可以理解為GPRS DTU這時是一個移動內(nèi)部局域網(wǎng)內(nèi)的設(shè)備，經(jīng)過移動網(wǎng)關(guān)來完成與外部Internet公網(wǎng)的通訊。這與局域網(wǎng)內(nèi)的電腦經(jīng)過網(wǎng)關(guān)拜訪外部網(wǎng)絡(luò)的辦法類似。安徽GPRS-dtu外殼公司</p><p style="text-indent:25px">滄州萬瑞電子機箱有限公司位于河北省滄州市，創(chuàng)立于2016-01-27。公司業(yè)務(wù)涵蓋[ "鈑金設(shè)備外殼加工", "機箱機柜加工定做", "儀器儀表外殼", "配電箱加工" ]等，價格合理，品質(zhì)有保證。公司從事機械及行業(yè)設(shè)備多年，有著創(chuàng)新的設(shè)計、強大的技術(shù)，還有一批**的專業(yè)化的隊伍，確保為客戶提供質(zhì)量的產(chǎn)品及服務(wù)。公司自成立以來發(fā)展迅速，業(yè)務(wù)不斷發(fā)展壯大，年營業(yè)額度達(dá)到50-100萬元，未來我們將不斷進(jìn)行創(chuàng)新和改進(jìn)，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/567242.html</p></div></div></div></div></div><div id="gfxu3hj" class="page-right twoColRt"><div id="hbtfct8" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="w3ymtah" 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配件哪家強信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="cr7wypw" 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