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意大利Eltra意爾創(chuàng) EAX值防爆編碼器
更新時間:2015-08-27   點(diǎn)擊次數(shù):1022次

意大利Eltra意爾創(chuàng)  EAX80A/D本安值防爆編碼器  四川辦事處



EAX80A.D本安值防爆編碼

防爆編碼器應(yīng)用于易爆炸和危險的區(qū)域
·分辨率可達(dá)8,192位置/轉(zhuǎn) (13位)
·多種電氣輸出方式
·供電電源可達(dá)28VDC
·電纜輸出
·多種連接法蘭類型
·轉(zhuǎn)速可達(dá)3,000RPM
·防護(hù)等級可達(dá)IP64

意大利Eltra意爾創(chuàng)  EAX80A/D本安值防爆編碼器  四川辦事處

 Eltra公司在生產(chǎn)傳感技術(shù)領(lǐng)域,特別是在編碼器行業(yè)中,已有20多年的生產(chǎn)與銷售經(jīng)驗(yàn)。目前可生產(chǎn)多達(dá)15000多種型號的傳感器,并服務(wù)于的3,000多個客戶。產(chǎn)品種類齊全是Eltrazui大的特色,Eltra可以提供經(jīng)濟(jì)型編碼器,高性能增量式編碼器,重載型編碼器,以及行業(yè)應(yīng)用的多圈值編碼器,可以滿足多數(shù)客戶的性能需求。 特別是近年來推出的伺服電機(jī)上使用的編碼器,結(jié)構(gòu)精巧,產(chǎn)品的所有器件均為國外供應(yīng)鏈,使用母公司AVAGO的模組芯片,使其運(yùn)轉(zhuǎn)可靠性大大加強(qiáng),并且提高使用壽命。

  經(jīng)濟(jì)型編碼器EL42A系列主要是為輕工行業(yè)定制的編碼器,在原來產(chǎn)品的基礎(chǔ)上增加了極性保護(hù)電阻,保證在誤接,錯接信號線的情況下,編碼器芯片主體不受到電流沖擊,提高產(chǎn)品的可靠性,另外將標(biāo)配的出線長度由0.5m延長到2m滿足客戶要求。

意大利Eltra意爾創(chuàng)  EAX80A/D本安值防爆編碼器  四川辦事處

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增量式編碼器(編碼器選型)是將位移轉(zhuǎn)換成周期性的電信號,再把這個電信號轉(zhuǎn)變成計數(shù)脈沖,用脈沖的個數(shù)表明位移的巨細(xì)。

增量式編碼器的工作原理:

隨轉(zhuǎn)軸一起轉(zhuǎn)動的脈沖碼盤上有均勻刻制的光柵,在碼盤上均勻地分布著若干個透光區(qū)段和遮光區(qū)段。增量式編碼器沒有固定的起始零點(diǎn),輸出的是與轉(zhuǎn)角的增量成正比的脈沖,需要用計數(shù)器來計脈沖數(shù)。每轉(zhuǎn)過一個透光區(qū)時,就發(fā)出一個脈沖信號,計數(shù)器當(dāng)前值加1,計數(shù)結(jié)果對應(yīng)于轉(zhuǎn)角的增量。編碼器是把角位移或直線位移轉(zhuǎn)換成電信號的一種設(shè)備。

前者變成碼盤,后者稱碼尺.依照讀出方法編碼器能夠分為觸摸式和非觸摸式兩種.觸摸式選用電刷輸出,一電刷觸摸導(dǎo)電區(qū)或絕緣區(qū)來表明代碼的狀況是“1"仍是“0";非觸摸式的承受靈敏元件是光敏元件或磁敏元件,選用光敏元件時以透光區(qū)和不透光區(qū)來表明代碼的狀況是“1"仍是“0"。

增量式編碼器的特點(diǎn):

增量式編碼器(電子手輪)色是:非觸摸式的,無沖突和磨損,體積小,重量輕,組織緊湊,裝置便利,保護(hù)簡略,驅(qū)動力矩小,其具有高精度,大量程丈量,反響快,數(shù)字化輸出特色;   

增量式編碼器十分合適測速度,可無限累加丈量??墒谴嬖诹泓c(diǎn)累計差錯,抗干擾較差,接納設(shè)備的停機(jī)需斷電回憶,開機(jī)應(yīng)找零或參閱位等疑問,這些疑問如選用肯定型編碼器能夠處理。   

內(nèi)置電池技能:有一些編碼器以內(nèi)置電池來防止斷電的信號丟掉,也有一些編碼器(電子手輪)圈是肯定信號,而多圈圈數(shù)信號是內(nèi)置電池與電路用增量計數(shù)的方法來取得,此為偽肯定型編碼器,其受電池壽數(shù)、電池低溫失效、受振電池觸點(diǎn)不良等因數(shù)影響,而大大下降可靠性。  


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