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我可以直接將PNP或NPN感測器所產生的訊號連接至National Instruments DAQ卡片嗎?
我可以直接將PNP或NPN感測器所產生的訊號連接至National Instruments DAQ卡片嗎?
硬體: Multifunction DAQ (MIO)
問題: 我有幾種不同的量測項目需要處裡。某些訊號源是供應型(Sourcing),某些是消耗型(Sinking)。我可以將這兩種訊號源利用National Instrument DAQ元件擷取嗎?
解答: PNP及NPN是用來定義不同極性電壓源的名詞。"PNP"(Sourcing)是指感測器可以做為提供負載的電源,而"NPN"(Sinking)卻是指從負載吸收電源再到DC(-)。
National Instruments DAQ元件可以接受Sourcing與Sinking訊號。要使用哪一個DAQ元件來做訊號擷取,是取決於訊號的限制,請參考線上產品諮詢(請參考以下的鏈結)再決定哪一個訊號擷取元件與您的應用規格相符。
相關連結: Online Product Advisors
附加檔案:
報告日期: 04/25/2003
最後更新: 10/24/2005
文件偏號: 2WO9LA59
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