AVS58N-011AAR0GN-0012編碼器_原裝現(xiàn)貨
Q:
旋轉(zhuǎn)單圈值編碼器,,以轉(zhuǎn)動(dòng)中測量碼盤各道刻線,以獲取*的編碼,,當(dāng)轉(zhuǎn)動(dòng)超過360度時(shí),,編碼又回到原點(diǎn),這樣就不符合編碼*的原則,,這樣的編碼器只能用于旋轉(zhuǎn)范圍360度以內(nèi)的測量,,稱為單圈值編碼器。
如果要測量旋轉(zhuǎn)超過360度范圍,,就要用到多圈值編碼器,。
多圈編碼器另一個(gè)優(yōu)點(diǎn)是由于測量范圍大,實(shí)際使用往往富裕較多,這樣在安裝時(shí)不必要費(fèi)勁找零點(diǎn),,將某一中間位置作為起始點(diǎn)就可以了,,而大大簡化了安裝調(diào)試難度。多圈式值編碼器在長度定位方面的優(yōu)勢明顯,,已經(jīng)越來越多地應(yīng)用于工控定位中,。
靈活使用的值編碼器
值編碼器應(yīng)用于對(duì)速度和位置精度要求都非常高的場合。磁性值編碼器和光學(xué)值編碼器的原理有些小小的不同,,但總的來說是相同的。值編碼器包含兩個(gè)碼盤,,其中一個(gè)碼盤與中心的軸固定,,而另一個(gè)可以隨意旋轉(zhuǎn)。當(dāng)碼盤旋轉(zhuǎn)起來的時(shí)候,,一圈圈碼道上的標(biāo)記就可以將當(dāng)前的位置轉(zhuǎn)換為特殊的編碼輸出(一般為二進(jìn)制碼),。對(duì)于光學(xué)值編碼器,“標(biāo)記”就是讓光通過的位置,,對(duì)于磁性值編碼器,,“標(biāo)記”就是傳感器陣列感應(yīng)到的磁極信號(hào)位置。
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