交流(liu)(liu)電(dian)(dian)(dian)流(liu)(liu)(電(dian)(dian)(dian)壓(ya)(ya))變送器是一(yi)種能將被測交流(liu)(liu)電(dian)(dian)(dian)流(liu)(liu)(交流(liu)(liu)電(dian)(dian)(dian)壓(ya)(ya))轉換成按線(xian)性比例輸出直(zhi)流(liu)(liu)電(dian)(dian)(dian)壓(ya)(ya)或直(zhi)流(liu)(liu)電(dian)(dian)(dian)流(liu)(liu)的儀器,廣(guang)泛應用于電(dian)(dian)(dian)力、郵電(dian)(dian)(dian)、石油、煤炭、冶金、鐵道、市政(zheng)等部(bu)門的電(dian)(dian)(dian)氣裝置、自動控(kong)制以及(ji)調度系統(tong)。
更新(xin)時(shi)間:2022-11-21
開關(guan)量輸(shu)入(ru)隔(ge)離式安(an)(an)全(quan)柵,接(jie)(jie)收來(lai)自(zi)危險場所一側的開關(guan)/接(jie)(jie)近開關(guan)輸(shu)入(ru),通過(guo)安(an)(an)全(quan)柵隔(ge)離傳輸(shu)到安(an)(an)全(quan)場所輸(shu)出。具備接(jie)(jie)近開關(guan)故障檢測和繼電器輸(shu)出正反作用(yong)設置功(gong)能。
更新時間:2022-11-21
TK8000-Ex熱電(dian)偶齊納安(an)全柵它能(neng)(neng)(neng)防止危(wei)險(xian)能(neng)(neng)(neng)量從本安(an)端子串入到危(wei)險(xian)場所,又能(neng)(neng)(neng)接(jie)入來自(zi)現場的熱電(dian)偶信號(hao)(見功能(neng)(neng)(neng)示(shi)意(yi)圖)從而(er)確(que)保系統工程具有本質安(an)全防爆性能(neng)(neng)(neng)。
更新時間:2022-11-21
儀表概述 TK8000-Ex檢、操作(zuo)端隔(ge)離式安(an)全(quan)柵,從安(an)全(quan)區向危(wei)險(xian)區提供(gong)(gong)一個隔(ge)離直流(liu)電(dian)源供(gong)(gong)給變(bian)送器(qi),變(bian)送器(qi)產生4~20mA電(dian)流(liu)信(xin)號(hao)(hao)從危(wei)險(xian)區傳輸(shu)到(dao)安(an)全(quan)區獨立的(de)4~20mA/1~5V輸(shu)出。另一個信(xin)號(hao)(hao) 來自(zi)調(diao)節器(qi)(操作(zuo)器(qi))的(de)4~20mA信(xin)號(hao)(hao)經 過隔(ge)離后輸(shu)出給各(ge)執行器(qi),并且限制危(wei)險(xian)能量從本 安(an)端子竄入到(dao)危(wei)險(xian)場所。
更新時間:2022-11-21
TK8000-Ex電流輸(shu)入(ru)輸(shu)出重(zhong)復式安(an)全柵它(ta)(ta)能(neng)防止危(wei)險(xian)能(neng)量(liang)從本安(an)端子串入(ru)到危(wei)險(xian)場所,并(bing)將4~20 mA DC信號(hao)經限能(neng)后(hou)線性地轉換成4~20 mA DC 信號(hao)輸(shu)出(見功(gong)能(neng)示意圖)它(ta)(ta)不同于其它(ta)(ta)齊納(na)安(an)全柵的是,危(wei)險(xian)能(neng)量(liang)恢(hui)復后(hou),能(neng)自動恢(hui)復正常工作。
更新時間:2022-11-21
開(kai)(kai)關量輸出隔(ge)離式(shi)安(an)(an)(an)全柵,安(an)(an)(an)全場(chang)(chang)所(suo)一側的(de)觸點開(kai)(kai)關通過(guo)安(an)(an)(an)全柵控制(zhi)或驅動現場(chang)(chang)本安(an)(an)(an)設備工(gong)作,本安(an)(an)(an)設備如電(dian)磁(ci)閥(fa)、聲光報警器(qi)等。輸入輸出隔(ge)離性能(neng)允許控制(zhi)開(kai)(kai)關直(zhi)接連到24V直(zhi)流供(gong)電(dian)回路的(de)任一路。
更新時間:2022-11-21
適用于TH-H型變送(song)器。通此(ci)借口(kou)將HART協議變送(song)器連接至(zhi)PC
更新時間:2022-11-21
有(you)功(gong)功(gong)率變送器、無功(gong)功(gong)率變送器是(shi)一(yi)種將(jiang)被(bei)測(ce)有(you)功(gong)和無功(gong)功(gong)率轉換成按線性比例輸(shu)出(chu)的(de)直流(liu)電流(liu)或直流(liu)電壓。并能反應出(chu)被(bei)測(ce)功(gong)率的(de)傳(chuan)輸(shu)方向。
更(geng)新時(shi)間:2022-11-21