滬工電感式傳感器LJ18A3-8-Z/BX 三線NPN常開(kāi)接近開(kāi)關(guān)直流24V
產(chǎn)品概述
滬工LJ18A3-8-Z/BX電感式接近開(kāi)關(guān)是一種非接觸式位置檢測(cè)傳感器，采用直流24V供電和三線NPN常開(kāi)輸出方式。該產(chǎn)品基于高頻振蕩原理設(shè)計(jì)，當(dāng)金屬物體接近感應(yīng)面時(shí)，通過(guò)電磁感應(yīng)產(chǎn)生動(dòng)作信號(hào)，無(wú)需機(jī)械接觸即可實(shí)現(xiàn)精準(zhǔn)檢測(cè)。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(diǎn)，適合工業(yè)環(huán)境使用。檢測(cè)距離為8mm，響應(yīng)頻率快，可滿(mǎn)足自動(dòng)化設(shè)備對(duì)位置檢測(cè)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(dòng)化生產(chǎn)線等領(lǐng)域的定位、計(jì)數(shù)及安全防護(hù)控制。136
工作原理
該接近開(kāi)關(guān)由振蕩器、信號(hào)處理電路和輸出驅(qū)動(dòng)三部分組成。振蕩器在感應(yīng)面產(chǎn)生交變磁場(chǎng)，當(dāng)金屬物體進(jìn)入磁場(chǎng)范圍時(shí)，物體內(nèi)部產(chǎn)生渦流導(dǎo)致振蕩能量衰減，觸發(fā)開(kāi)關(guān)狀態(tài)變化。NPN型輸出采用集電極開(kāi)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(jì)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(hào)輸出）簡(jiǎn)化了安裝流程。產(chǎn)品對(duì)鐵質(zhì)金屬具有最佳檢測(cè)靈敏度，同時(shí)支持不銹鋼、鋁等多種金屬材料的穩(wěn)定檢測(cè)。2711
產(chǎn)品特點(diǎn)
- 結(jié)構(gòu)特性：直徑18mm的緊湊圓柱形設(shè)計(jì)，螺紋安裝方式便于固定和調(diào)整位置，IP67防護(hù)等級(jí)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(jì)，內(nèi)置反向極性保護(hù)，輸出電流達(dá)300mA可直接驅(qū)動(dòng)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(guò)載保護(hù)電路，確保在工業(yè)環(huán)境中的長(zhǎng)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(cè)物體保持一定距離，減少機(jī)械磨損，延長(zhǎng)使用壽命。41218
應(yīng)用場(chǎng)景
該傳感器特別適用于需要快速響應(yīng)的自動(dòng)化控制場(chǎng)合，如：1. 數(shù)控機(jī)床的刀具位置檢測(cè)與行程限位；2. 包裝機(jī)械的物料計(jì)數(shù)與到位檢測(cè)；3. 自動(dòng)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(shí)別。產(chǎn)品采用無(wú)觸點(diǎn)設(shè)計(jì)，避免了傳統(tǒng)機(jī)械開(kāi)關(guān)的磨損問(wèn)題，高頻操作次數(shù)可達(dá)100萬(wàn)次以上，顯著降低設(shè)備維護(hù)需求。其穩(wěn)定的檢測(cè)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(kāi)接近開(kāi)關(guān)直流24V
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