SM3020D/圓柱形電感式接近開(kāi)關(guān)SM-3020D
以下是關(guān)于上海雙旭SM3020D圓柱形電感式接近開(kāi)關(guān)的產(chǎn)品介紹，綜合公開(kāi)信息整理而成：
產(chǎn)品結(jié)構(gòu)與外觀
SM3020D采用圓柱形金屬殼體設(shè)計(jì)，表面經(jīng)特殊工藝處理，具備良好的機(jī)械防護(hù)性與環(huán)境適應(yīng)性。其緊湊外形（直徑約30mm）便于在狹窄空間安裝集成，適用于工業(yè)自動(dòng)化設(shè)備的嵌入式裝配需求。
核心工作原理
作為電感式接近開(kāi)關(guān)，SM3020D通過(guò)內(nèi)部高頻振蕩線圈產(chǎn)生電磁場(chǎng)。當(dāng)金屬物體進(jìn)入預(yù)設(shè)感應(yīng)范圍（典型檢測(cè)距離為30mm）時(shí)，目標(biāo)物內(nèi)部產(chǎn)生渦流效應(yīng)，導(dǎo)致振蕩幅度衰減，從而觸發(fā)內(nèi)部電路狀態(tài)切換，實(shí)現(xiàn)無(wú)接觸式位置檢測(cè)111。
關(guān)鍵性能特性
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穩(wěn)定檢測(cè)能力
對(duì)鐵磁性金屬（如鋼、鐵）響應(yīng)靈敏，檢測(cè)距離一致性高，抗電磁干擾能力強(qiáng)，適用于電機(jī)、傳送帶等存在電磁噪聲的工況環(huán)境19。
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電氣輸出特性
支持PNP晶體管輸出（常開(kāi)型），可直接連接PLC、控制器等輸入模塊。工作電壓范圍覆蓋DC 10-30V，兼容主流工業(yè)電源系統(tǒng)，負(fù)載電流可達(dá)200mA211。
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環(huán)境適應(yīng)性
殼體具備防油污、防粉塵侵入能力，可在-20°C至+65°C溫度區(qū)間及高濕度條件下長(zhǎng)期穩(wěn)定運(yùn)行，滿足一般工業(yè)場(chǎng)景的耐久性要求2。
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安裝方式
采用埋入式安裝（齊平式），感應(yīng)面與金屬安裝支架平齊，可避免機(jī)械碰撞損傷，同時(shí)減少側(cè)向干擾11。
典型應(yīng)用場(chǎng)景
- 輸送設(shè)備監(jiān)控：用于檢測(cè)傳送帶滾筒轉(zhuǎn)動(dòng)狀態(tài)、鏈條位置或物料存在性2。
- 機(jī)械自動(dòng)化控制：在機(jī)床、裝配線中實(shí)現(xiàn)工件到位檢測(cè)、氣缸位置反饋或安全門(mén)禁感應(yīng)。
- 物料處理系統(tǒng)：金屬料斗、閥門(mén)開(kāi)閉狀態(tài)的非接觸式監(jiān)測(cè)。
產(chǎn)品優(yōu)勢(shì)總結(jié)
SM3020D以可靠性高、安裝便捷、維護(hù)成本低為核心優(yōu)勢(shì)。其非接觸檢測(cè)機(jī)制消除了機(jī)械磨損問(wèn)題，金屬殼體結(jié)構(gòu)增強(qiáng)了抗沖擊性能，適用于對(duì)設(shè)備壽命要求嚴(yán)苛的連續(xù)生產(chǎn)場(chǎng)景。
注：以上信息基于公開(kāi)資料整合，具體參數(shù)請(qǐng)以官方技術(shù)文檔為準(zhǔn)。如需完整技術(shù)規(guī)格可參考相關(guān)頁(yè)面1911。
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