LJA12M-5N1電感式接近開關產品介紹
產品概述
LJA12M-5N1是一款基于電磁感應原理設計的非接觸式檢測裝置，采用直流三線制NPN輸出結構，常開型（NO）工作模式，適用于工業自動化領域中對金屬物體的可靠檢測。該產品為非埋入式安裝設計，通過電磁場變化感知目標物，無需物理接觸即可實現精準的位置感應，有效減少機械磨損，延長使用壽命。
核心特點
- 穩定檢測性能：內置高頻振蕩電路，對鐵磁性金屬具備良好的檢測靈敏度，檢測距離達2mm±10%，適應多種工業場景需求。
- 環境適應性：采用環氧樹脂全密封工藝，防護等級達到IP67，可耐受-25℃至+70℃工作溫度，抗油污、粉塵及振動干擾。
- 電路保護設計：內置反接保護與過載防護機制，支持10-30VDC寬電壓輸入，輸出電流≤200mA，兼容主流PLC控制系統。
- 便捷安裝：圓柱形M12螺紋結構（長度40mm），配備LED狀態指示燈，支持軸向或徑向安裝方式，便于現場調試維護。
技術參數
• 輸出類型：NPN三線常開（NO）
• 檢測物體：鐵磁性金屬（如鋼、鐵）
• 工作電壓：DC 10-30V±10%
• 空載電流：≤10mA
• 響應頻率：200Hz
• 導線規格：2米PVC護套線（棕色線：電源+，藍色線：電源-，黑色線：信號輸出）
應用領域
本產品廣泛應用于自動化生產線定位、機床安全防護、物流分揀系統、包裝機械控制等場景，特別適用于需要非接觸檢測的金屬部件位置反饋、設備運行狀態監控等工業控制環節。
安全提示
安裝時需確保傳感器與金屬物體間無強電磁干擾源，保持檢測面清潔。接線前請仔細核對電源極性，避免反向連接。
LJA12M-5N1 Inductive Proximity Switch Introduction
Product Overview
The LJA12M-5N1 is a non-contact detection device based on electromagnetic induction principle, featuring DC 3-wire NPN output configuration with normally open (NO) operation mode. Designed for non-flush mounting applications, this sensor reliably detects metallic objects in industrial automation systems through electromagnetic field variation, eliminating mechanical wear for extended service life.
Key Features
- Stable Detection: Equipped with high-frequency oscillation circuit, providing 2mm±10% sensing distance for ferrous metals with optimized sensitivity.
- Robust Construction: Epoxy encapsulated housing achieves IP67 protection rating, operational in -25℃ to +70℃ environments with resistance to oil, dust and vibration.
- Circuit Protection: Built-in reverse polarity and overload protection supports 10-30VDC wide voltage input, delivering ≤200mA output current for PLC compatibility.
- Installation Flexibility: M12 cylindrical threaded housing (40mm length) with dual-color LED status indicator allows axial or radial mounting orientations.
Technical Specifications
• Output Type: NPN 3-wire NO
• Target Material: Ferrous metals (steel, iron)
• Supply Voltage: DC 10-30V±10%
• No-load Current: ≤10mA
• Response Frequency: 200Hz
• Cable: 2m PVC jacket (Brown: +V, Blue: -V, Black: Signal)
Applications
Ideal for position sensing in automated production lines, machine tool safety systems, logistics sorting equipment and packaging machinery. Particularly suitable for metal component detection and equipment status monitoring requiring contactless operation.
Safety Notice
Maintain clean sensing surface and avoid strong electromagnetic interference sources during installation. Verify power supply polarity before wiring to prevent reverse connection.
（總字數：中英文各約420字）
