單(dan)相(xiang)電(dian)流變(bian)送(song)器是壹(yi)種(zhong)具(ju)有(you)可(ke)編程測(ce)量、顯(xian)示、數(shu)字(zi)通訊(xun)和(he)電(dian)能脈(mai)沖(chong)變(bian)送(song)輸出(chu)等多(duo)功能(neng)智(zhi)能(neng)儀表(biao),能夠(gou)完(wan)成電(dian)量測(ce)量、電(dian)能計量、數(shu)據(ju)顯(xian)示、采(cai)集及傳(chuan)輸(shu),可廣(guang)泛應(ying)用(yong)變(bian)電(dian)站自(zi)動(dong)化、配(pei)電(dian)自動(dong)化、智(zhi)能(neng)建(jian)築(zhu)、企(qi)業內部的電(dian)能測(ce)量、管(guan)理、考(kao)核。測(ce)量精度為(wei)0.5級(ji),實(shi)現(xian)LED現(xian)場(chang)顯(xian)示和(he)遠程RS-485數(shu)字(zi)接(jie)口通訊(xun),采(cai)用(yong)MODBUS-RTU通訊(xun)協(xie)議。
電(dian)流變(bian)送(song)器在(zai)單(dan)片機控(kong)制的許(xu)多(duo)應用(yong)場(chang)合(he),都(dou)要使(shi)用(yong)變(bian)送(song)器來(lai)將(jiang)單(dan)片機不(bu)能直(zhi)接(jie)測(ce)量的信號(hao)轉(zhuan)換(huan)成(cheng)單(dan)片機可以(yi)處理的電(dian)模(mo)擬(ni)信號(hao),如(ru)電(dian)流變(bian)送(song)器,壓(ya)力(li)變(bian)送(song)器、溫(wen)度變(bian)送(song)器、流(liu)量(liang)變(bian)送(song)器等(deng)。早(zao)期的變(bian)送(song)器大(da)多(duo)為電(dian)壓輸(shu)出(chu)型,即(ji)將(jiang)測(ce)量信號(hao)轉(zhuan)換(huan)為(wei)0-5V電(dian)壓輸(shu)出(chu),這是運(yun)放(fang)直(zhi)接(jie)輸出(chu),信號(hao)功(gong)率(lv)<0.05W,通過(guo)模(mo)擬(ni)/數(shu)字(zi)轉(zhuan)換(huan)電(dian)路(lu)轉換(huan)數(shu)字(zi)信號(hao)供單(dan)片機讀取(qu)、控(kong)制。
1、註意產(chan)品標簽(qian)上(shang)的輔助電(dian)源(yuan)信息(xi),變(bian)送(song)器的輔助電(dian)源(yuan)等級(ji)和(he)極性(xing)不(bu)可接(jie)錯,否(fou)則(ze)將(jiang)損壞(huai)變(bian)送(song)器;
2、變(bian)送(song)器為(wei)壹(yi)體(ti)化結(jie)構(gou),不(bu)可拆卸,同時應(ying)避免碰(peng)撞和(he)跌落(luo);
3、變(bian)送(song)器在(zai)有(you)強(qiang)磁(ci)幹擾的環境中使(shi)用(yong)時,請註(zhu)意輸入線(xian)的屏蔽,輸(shu)出(chu)信號(hao)應(ying)盡(jin)可能(neng)短(duan)。集(ji)中安裝時,最小(xiao)安裝間(jian)隔(ge)不(bu)應小(xiao)於10mm;
4、本系列變(bian)送(song)器內部未設置(zhi)防(fang)雷擊電(dian)路(lu),當(dang)變(bian)送(song)器輸(shu)入(ru)、輸出(chu)饋線(xian)暴露於(yu)室外(wai)惡(e)劣氣(qi)候(hou)環境之(zhi)中時,應(ying)註(zhu)意(yi)采取(qu)防雷(lei)措施(shi);
5、本產(chan)品采用(yong)阻(zu)燃(ran)ABS塑料(liao)外(wai)殼(ke)封裝(zhuang),外(wai)殼(ke)極限(xian)耐(nai)受溫度為(wei)+85℃,收(shou)到高溫烘(hong)烤(kao)時會(hui)發生變(bian)形,影(ying)響產(chan)品性能。產(chan)品請勿在(zai)熱(re)源(yuan)附(fu)近使(shi)用(yong)或保存(cun),請勿把產(chan)品放(fang)進高溫箱(xiang)內烘烤(kao);
6、請勿損(sun)壞(huai)或者修(xiu)改產(chan)品的標簽(qian)、標誌(zhi),請勿拆卸或改裝(zhuang)變(bian)送(song)器,否(fou)則(ze)本公司(si)將(jiang)不(bu)再(zai)對(dui)該產(chan)品提(ti)供"三(san)包(bao)"(包(bao)換(huan)、包(bao)退(tui)、包(bao)修(xiu))服務。