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供應 6FM1661-3AA00

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品 牌: 6FM1661-3AA00 
型 號: 6FM1661-3AA00 
規(guī) 格: 6FM1661-3AA00 
單 價: 98.00元/件 
起 訂: 1 件 
供貨總量: 10000 件
發(fā)貨期限: 自買家付款之日起 3 天內(nèi)發(fā)貨
所在地: 福建 廈門市
有效期至: 長期有效
更新日期: 2015-01-16 09:12
瀏覽次數(shù): 6
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【供應 6FM1661-3AA00】詳細說明
6FM1661-3AA00

6FM1661-3AA00

6FM1661-3AA00




信號隔離器工作原理

首先將PLC接受的信號,通過半導體器件調(diào)制變換,然后通過光感或磁感器件進行隔離轉(zhuǎn)換,然后再進行解調(diào)變換回隔離前原信號或不同信號,同時對隔離后信號的供電電源進行隔離處理。保證變換后的信號、電源、地之間絕對獨立。

現(xiàn)在市場有那么多品牌的隔離器,價格參差不齊,該怎么選擇呢?

? ? 隔離器位于二個系統(tǒng)通道之間,所以選擇隔離器首先要確定輸入輸出功能,同時要使隔離器輸入輸出模式(電壓型、電流型、環(huán)路供電型等)適應前后端通道接口模式,此外尚有精度、功耗、噪音、絕緣強度、總線通訊等許多重要參數(shù)涉及產(chǎn)品性能,例如:噪音與精度有關(guān)、功耗能量與可靠性有關(guān),這些需要使用者慎選??傊?,試用、可靠、產(chǎn)品性價比是選擇隔離器的主要原則。

? ?工作原理:首先將半導體器件調(diào)制變換,然后通過光感或磁感器進行隔離轉(zhuǎn)換,然后再進行解調(diào)回隔離前原信號,同時對隔離后信號的供電電源進行隔離處理,保證變換后信號的供電電源進行隔離處理。保證變換后的信號、電源、地之間絕對獨立。

一:保護下級的控制回路。

二:消弱環(huán)境噪聲對測試電路的影響。

三:抑制公共接地、變頻器、電磁閥PLC/DCS輸入輸出及通訊接口的忠實防護。

標準系列導軌結(jié)構(gòu),易于安裝,可有效的隔離;輸入、輸出和電磁閥及大地之間的電位,能克服變頻器噪聲級各種高低頻脈動干擾。?

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