接近開關(guān)， LJ2L-15-4/121 價格

產(chǎn)品概述

LJ2L-15-4/121是一款高性能電感式接近開關(guān)，采用非接觸式檢測技術(shù)，專為工業(yè)自動化應(yīng)用設(shè)計。該產(chǎn)品通過電磁感應(yīng)原理實現(xiàn)金屬物體的精準(zhǔn)檢測，檢測距離可達(dá)15mm，適用于機床、冶金、化工等多種場景。其核心由振蕩器、開關(guān)電路和放大輸出電路組成，當(dāng)金屬目標(biāo)進(jìn)入感應(yīng)區(qū)域時，內(nèi)部渦流效應(yīng)觸發(fā)信號輸出，響應(yīng)頻率高且穩(wěn)定性強。外殼采用ABS材質(zhì)，防護(hù)等級達(dá)IP67，具備防水、防震和耐腐蝕特性，可適應(yīng)-30℃至+65℃的工作環(huán)境。113

技術(shù)特點

該接近開關(guān)支持直流6-36V寬電壓輸入，額定電流400mA，功耗低至13mA以下。產(chǎn)品設(shè)計注重實用性，提供常開或常閉輸出選項，并內(nèi)置逆連接保護(hù)、浪涌吸收等電路防護(hù)功能。其檢測面采用耐磨材料，標(biāo)準(zhǔn)檢測物體為45×45×1mm鐵質(zhì)材料，重復(fù)定位精度高，滯后距離小于檢測距離的10%。獨特的結(jié)構(gòu)設(shè)計使得安裝調(diào)整便捷，可直接替代傳統(tǒng)機械式行程開關(guān)，減少維護(hù)需求。58

應(yīng)用場景

LJ2L-15-4/121廣泛應(yīng)用于自動化生產(chǎn)線中的位置檢測、計數(shù)控制和限位保護(hù)。在包裝機械中可實現(xiàn)物料到位檢測，在數(shù)控機床上用于刀具定位，在物流分揀系統(tǒng)中完成金屬物體識別。其非接觸式工作原理避免了機械磨損，特別適合高頻次操作的場景，如汽車焊接流水線或食品灌裝設(shè)備。產(chǎn)品兼容PLC控制系統(tǒng)，能無縫集成到各類工業(yè)自動化解決方案中。1315

產(chǎn)品優(yōu)勢

與同類產(chǎn)品相比，該接近開關(guān)以穩(wěn)定的性能和較長的使用壽命著稱。交變磁場技術(shù)確保檢測穩(wěn)定性，不受環(huán)境光線或粉塵影響。緊湊的圓柱形結(jié)構(gòu)（具體尺寸需參考廠商資料）適合空間受限的安裝環(huán)境。產(chǎn)品經(jīng)過嚴(yán)格測試，在高溫、高濕等嚴(yán)苛條件下仍能保持可靠運行，為用戶提供持續(xù)穩(wěn)定的檢測服務(wù)。124

Product Introduction

The LJ2L-15-4/121 inductive proximity sensor is designed for non-contact metal detection in industrial automation. With a sensing range of 15mm, it utilizes electromagnetic field technology to reliably detect ferrous targets without physical contact. The robust ABS housing provides IP67 protection against dust and water ingress, making it suitable for challenging environments including manufacturing plants and material handling systems. Key components include an oscillator, switching circuit and amplified output stage for precise signal conversion.113

Technical Specifications

Operating on 6-36VDC power supply, this sensor consumes less than 13mA current while delivering 400mA output capacity. It features selectable NO/NC configurations and built-in protection against reverse polarity and voltage spikes. The device maintains stable performance across -30°C to +65°C temperature ranges, with ±10% detection distance tolerance. Standard detection is optimized for 45×45×1mm iron plates, achieving high repeatability with minimal hysteresis. The compact cylindrical design facilitates easy mounting in space-constrained applications.58

Typical Applications

Ideal for position verification in CNC machining centers, this sensor excels in conveyor belt monitoring, robotic arm positioning, and automated assembly line controls. Its oil-resistant construction suits hydraulic machinery, while the non-contact principle eliminates mechanical wear in high-cycle operations like stamping presses. The sensor integrates seamlessly with PLCs and control systems for diverse automation tasks including object counting, presence checking and safety interlocks.1315

Performance Highlights

This sensor distinguishes itself through consistent operation in demanding conditions. The oscillating magnetic field ensures immunity to ambient light interference and particulate contamination. Durable construction materials extend service life in vibration-intensive environments such as mining equipment. Users benefit from maintenance-free operation and reduced downtime compared to mechanical limit switches. The product s reliability has been verified in extensive industrial field tests.124

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