M8 圓柱型 J8-D2NK傳感器 電感式接近開關 金屬檢測 直流三線制
中文介紹
J8-D2NK傳感器是一款M8圓柱型電感式接近開關，具有金屬檢測功能，采用直流三線制連接方式。其工作電壓范圍為DC10-30V，檢測距離為2mm±15%。這種接近開關利用電渦流原理，能夠有效檢測各類金屬物體，具有測量精度高、響應頻率快等優點。
該產品采用非接觸式位置檢測，對目標物體表面無磨損，可靠性高。其感應頭在工作時會產生交變磁場，當金屬物體接近感應區時，會在金屬體內產生渦流，吸收振蕩能量，從而觸發開關動作。這種接近開關無需與運動部件進行機械直接接觸，當物體接近到設定的動作距離時，即可驅動直流電器或為PLC裝置提供控制指令。
J8-D2NK傳感器具有多種優良特性，如防水、防震、耐腐蝕等，能夠在復雜的工業環境中穩定工作。其安裝方式為螺絲固定，方便快捷。此外，該產品還具備短路保護、反極性保護、過載保護等功能，能夠有效延長使用壽命。
這種接近開關適用于多種工業自動化場景，如汽車工業、機床、紡織、造紙、塑料、機械制造等。它可用于限位、計數控制等操作，幫助提高生產效率和自動化水平。
English Introduction
The J8-D2NK sensor is an M8 cylindrical inductive proximity switch with metal detection capabilities and a DC three-wire connection. It operates within a voltage range of DC10-30V and has a sensing distance of 2mm ±15%. This proximity switch works on the principle of eddy current induction, effectively detecting various metal objects with high precision and fast response frequency.
The switch generates an alternating magnetic field at the sensing head. When a metal object approaches the sensing area, eddy currents are induced within the metal, absorbing the oscillation energy and triggering the switch action. This non-contact position detection method ensures no wear on the target object surface, providing high reliability. The switch can operate without mechanical contact with moving parts, and it can drive DC electrical devices or provide control signals to PLC devices when an object approaches the set action distance.
The J8-D2NK sensor features multiple excellent characteristics, such as waterproofing, shock resistance, and corrosion resistance, enabling stable operation in complex industrial environments. It is installed using screws, making it convenient and quick. Additionally, the product is equipped with short-circuit protection, reverse polarity protection, and overload protection, effectively extending its service life.
This proximity switch is suitable for various industrial automation applications, including the automotive industry, machine tools, textiles, papermaking, plastics, and mechanical manufacturing. It can be used for limit and counting control operations, helping to improve production efficiency and automation levels.
M8 圓柱型 J8-D2NK傳感器 電感式接近開關 金屬檢測 直流三線制
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