| 詳細(xì)參數(shù) |
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1，干接點(diǎn)的定義 干接點(diǎn)的定義：無源開關(guān)；具有閉合和斷開的2種狀態(tài)；2個(gè)接點(diǎn)之間沒有極性，可以互換； 常見的干接點(diǎn)有： 1、各種開關(guān)如：限位開關(guān)、行程開關(guān)、腳踏開關(guān)、開關(guān)、溫度開關(guān)、液位開關(guān)等； 2、各種按鍵； 3、各種傳感器的輸出，如：動(dòng)力監(jiān)控中的傳感器：水浸傳感器、火災(zāi)傳感器、玻璃破碎、振動(dòng)、煙霧和凝結(jié)傳感器； 4、繼電器、干簧管的輸出； 有干接點(diǎn)就有濕接點(diǎn)。 濕接點(diǎn)的定義是：有源開關(guān)；具有有電和無電的2種狀態(tài)；2個(gè)接點(diǎn)之間有極性，不能反接； 常見的濕接點(diǎn)有： 1、如果把以上的干接點(diǎn)，接上電源，再跟電源的另外一極，作為輸出，就是濕接點(diǎn)；工業(yè)控制上，常用的濕接點(diǎn)的電壓范圍是DC0～30V，比較的是DC24V；AC110～220V的輸出也可以是濕接點(diǎn)，盡管這樣做比較少；
【公 司】： 福建鴻飛達(dá)自動(dòng)化科技有限公司福建省福州市高新區(qū)新保路正榮財(cái)富中心SOHO B幢8樓
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