滬工電感式傳感器LJ18A3-8-Z/BX 三線NPN常開接近開關(guān)直流24V
產(chǎn)品概述
滬工LJ18A3-8-Z/BX電感式接近開關(guān)是一種非接觸式位置檢測傳感器，采用直流24V供電和三線NPN常開輸出方式。該產(chǎn)品基于高頻振蕩原理設(shè)計，當(dāng)金屬物體接近感應(yīng)面時，通過電磁感應(yīng)產(chǎn)生動作信號，無需機(jī)械接觸即可實現(xiàn)精準(zhǔn)檢測。傳感器采用M18圓柱形螺紋結(jié)構(gòu)，外殼為金屬材質(zhì)，具有耐腐蝕、抗沖擊等特點，適合工業(yè)環(huán)境使用。檢測距離為8mm，響應(yīng)頻率快，可滿足自動化設(shè)備對位置檢測的快速響應(yīng)需求。產(chǎn)品廣泛應(yīng)用于機(jī)床、包裝機(jī)械、自動化生產(chǎn)線等領(lǐng)域的定位、計數(shù)及安全防護(hù)控制。136
工作原理
該接近開關(guān)由振蕩器、信號處理電路和輸出驅(qū)動三部分組成。振蕩器在感應(yīng)面產(chǎn)生交變磁場，當(dāng)金屬物體進(jìn)入磁場范圍時，物體內(nèi)部產(chǎn)生渦流導(dǎo)致振蕩能量衰減，觸發(fā)開關(guān)狀態(tài)變化。NPN型輸出采用集電極開路形式，可與PLC、繼電器等控制設(shè)備直接配合使用。直流24V供電設(shè)計兼容大多數(shù)工業(yè)控制系統(tǒng)電壓標(biāo)準(zhǔn)，三線制接線方式（棕色接正極、藍(lán)色接負(fù)極、黑色為信號輸出）簡化了安裝流程。產(chǎn)品對鐵質(zhì)金屬具有最佳檢測靈敏度，同時支持不銹鋼、鋁等多種金屬材料的穩(wěn)定檢測。2711
產(chǎn)品特點
- 結(jié)構(gòu)特性：直徑18mm的緊湊圓柱形設(shè)計，螺紋安裝方式便于固定和調(diào)整位置，IP67防護(hù)等級能適應(yīng)粉塵、油污等復(fù)雜工況環(huán)境。2. 電氣性能：工作電壓范圍DC6-36V寬電壓設(shè)計，內(nèi)置反向極性保護(hù)，輸出電流達(dá)300mA可直接驅(qū)動小型負(fù)載。3. 環(huán)境適應(yīng)性：-20℃~+70℃的工作溫度范圍，內(nèi)置防短路和過載保護(hù)電路，確保在工業(yè)環(huán)境中的長期穩(wěn)定運(yùn)行。4. 安裝便利：非埋入式感應(yīng)方式允許傳感器與檢測物體保持一定距離，減少機(jī)械磨損，延長使用壽命。41218
應(yīng)用場景
該傳感器特別適用于需要快速響應(yīng)的自動化控制場合，如：1. 數(shù)控機(jī)床的刀具位置檢測與行程限位；2. 包裝機(jī)械的物料計數(shù)與到位檢測；3. 自動化裝配線的工件定位與流程控制；4. 物流分揀系統(tǒng)的金屬物體識別。產(chǎn)品采用無觸點設(shè)計，避免了傳統(tǒng)機(jī)械開關(guān)的磨損問題，高頻操作次數(shù)可達(dá)100萬次以上，顯著降低設(shè)備維護(hù)需求。其穩(wěn)定的檢測性能有助于提高生產(chǎn)線的運(yùn)行效率和可靠性。5920
English Product Introduction
The CHIIB LJ18A3-8-Z/BX inductive proximity sensor is a non-contact position detection device operating on 24V DC power supply with 3-wire NPN normally open configuration. Featuring an M18 cylindrical threaded metal housing, this sensor detects metallic objects within 8mm range through electromagnetic induction without physical contact. The robust construction ensures resistance to industrial environmental factors like vibration and oil contamination. With fast response characteristics and wide operating voltage range (DC6-36V), it integrates seamlessly with automated equipment for precise position sensing. Typical applications include machine tools, packaging systems and production line automation for object presence verification, counting and safety interlocking. The brown/blue/black wiring follows industry-standard color coding for easy installation.11622
Key Features
- Reliable metal detection for ferrous and non-ferrous targets with adjustable sensitivity. 2. Compact 18mm diameter stainless steel body with IP67 protection against dust and water ingress. 3. 300mA output current capacity for direct load switching. 4. Embedded reverse polarity and overload protection circuits. 5. Non-flush mounting style allows flexible installation with maintained sensing distance. The sensor s vibration-resistant design and temperature stability (-20°C to +70°C) make it suitable for harsh industrial environments. Its contactless operation eliminates mechanical wear, ensuring long service life in high-cycle applications like conveyor systems and robotic workcells. The product complies with general industrial requirements for position feedback devices.31325
滬工電感式傳感器LJ18A3-8-Z/BX 三線NPN常開接近開關(guān)直流24V
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