LJ2-15/214接近开关//LJ215214 产品介绍（中英双语）
【中文版】
LJ2-15/214接近开关是一款高性能非接触式检测装置，专为工业自动化场景中物体位置检测与状态监控而设计。该产品采用电磁感应原理，通过精准的磁场变化识别金属目标物的存在或位移，适用于各类机械设备的定位控制、流水线物料检测及安全防护系统。
产品特性：
- 稳定检测性能：内置高灵敏度感应元件，可在5mm检测距离内实现快速响应（具体数值根据实际使用环境调整），有效避免传统机械式开关的物理磨损问题。
- 环境适应性强：壳体采用工程塑料与金属复合结构，具备良好的抗振动性和温度适应性（-25℃~+70℃），可在粉尘、油雾等复杂工况下稳定运行。
- 安装便捷：紧凑型圆柱结构（直径15mm，长度54mm）配合标准M12接口，支持嵌入式或支架式安装，方便设备集成改造。
- 电气性能优异：支持10-30V宽电压直流供电，兼容PNP/NPN多种输出模式，LED状态指示灯提供直观的工作反馈。
- 安全防护设计：全封闭结构有效防止液体渗透和粉尘侵入，输出端内置过载保护模块，保障设备长期稳定运行。
应用领域：
• 机床加工：刀具位置检测、行程限位控制
• 物流分拣：输送带包裹计数、托盘到位检测
• 汽车制造：机器人焊接定位、装配线部件识别
• 包装机械：物料缺件检测、设备安全门监控
技术参数：
工作电压：DC 10-30V ±10%
消耗电流：≤15mA
响应频率：200Hz
防护结构：全封闭防尘设计
输出形式：三线制常开/常闭可选
【English Version】
The LJ2-15/214 proximity sensor is a high-performance non-contact detection device specifically engineered for object positioning and status monitoring in industrial automation systems. Utilizing electromagnetic induction technology, it accurately identifies the presence or displacement of metallic targets through precise magnetic field variation, making it ideal for positioning control, production line monitoring, and safety protection applications.
Key Features:
- Reliable Detection: Equipped with high-sensitivity sensing components enabling rapid response within 5mm detection range (adjustable based on environment), eliminating mechanical wear associated with traditional switches.
- Robust Construction: Hybrid engineering plastic/metal housing provides vibration resistance and temperature stability (-25℃~+70℃), ensuring reliable operation in dusty or oily environments.
- Flexible Installation: Compact cylindrical design (15mm diameter, 54mm length) with M12 standard interface supports both embedded and bracket mounting configurations.
- Advanced Circuitry: Wide DC voltage input (10-30V) with PNP/NPN output options, complemented by LED status indication for instant operational feedback.
- Enhanced Protection: Sealed structure prevents liquid ingress and particle contamination, incorporating overload protection for sustained performance.
Typical Applications:
• CNC machine tools: Tool positioning & stroke limitation
• Logistics systems: Package counting & pallet detection
• Automotive production: Robotic welding guidance & component recognition
• Packaging equipment: Material absence detection & safety door monitoring
Technical Specifications:
Power Supply: DC 10-30V ±10%
Current Consumption: ≤15mA
Switching Frequency: 200Hz
Enclosure: Fully sealed dust-proof design
Output Configuration: 3-wire NO/NC selectable
备注：本介绍基于通用工业设备需求编写，具体参数可能因应用环境存在细微差异，建议根据实际工况进行选型验证。
