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  • 廈門阿米控技術(shù)有限公司

    主營:LC模塊,DCS卡件,ITCC卡件,AI DI AO DO模塊,網(wǎng)絡(luò)模塊計數(shù)模塊適配模塊CPU模塊

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    您當(dāng)前的位置:首頁 » 控制系統(tǒng)模塊 » 6ES5535-3LB12
    6ES5535-3LB12
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    產(chǎn)品/服務(wù): 瀏覽次數(shù):4766ES5535-3LB12 
    單 價: 電議/面議 
    起訂量:  
    供貨總量:
    發(fā)貨期限: 自買家付款之日起 天內(nèi)發(fā)貨
    更新日期: 2022-02-08  有效期至:長期有效
    聯(lián) 系 人: 林惠燕 (女士)
    公司電話:
    即時通訊:    


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    6ES5535-3LB12
    詳細(xì)信息
       日常維護
      PLC的日常維護和保養(yǎng)比較簡單,主要是更換保險絲和鋰電池, 
    基本沒有其它易損元器件。由于存放用戶程序的隨機存儲器(RAM)
    、計數(shù)器和具有保持功能的輔助繼電器等均用鋰電池保護,鋰電池
    的壽命大約為5年,當(dāng)鋰電池的電壓逐漸降低到一定程度時,PLC基
    本單元上電池電壓跌落到指示燈亮,提示用戶注意有鋰電池所支持
    的程序還可保留一周左右,必須更換電池,這是日常維護的主要內(nèi)
    容。
      調(diào)換鋰電池的步驟為:
      ■在拆裝前,應(yīng)先讓PLC通電15秒以上(這樣可使作為存儲器備
    用電源的電容器充電,在鋰電池斷開后,該電容可對PLC做短暫供電
    ,以保護RAM 中的信息不丟失);
      ■斷開PLC的交流電源;
      ■打開基本單元的電池蓋板;
      ■取下舊電池,裝上新電池;
      ■蓋上電池蓋板。
      注意更換電池時間要盡量短,一般不允許超過3分鐘。如果時間
    過長,RAM中的程序?qū)⑾А?/div>
      此外,應(yīng)注意更換保險絲時要采用指定型號的產(chǎn)品。
      I/O模塊的更換
      若需替換一個模塊,用戶應(yīng)確認(rèn)被安裝的模塊是同類型。有些
    I/O系統(tǒng)允許帶電更換模塊,而有些則需切斷電源。若替換后可解決
    問題,但在一相對較短時間后又發(fā)生故障,那么用戶應(yīng)檢查能產(chǎn)生
    電壓的感性負(fù)載,也許需要從外部抑制其電流尖峰。如果保險絲在
    更換后易被燒斷,則有可能是模塊的輸出電流超限,或輸出設(shè)備被
    短路。
      PLC的故障診斷是一個十分重要的問題,是保證PLC控制系統(tǒng)正
    常、可靠運行的關(guān)鍵。本文對常用的故障診斷方法進行了探討。在
    實際工作過程中,應(yīng)充分考慮到對PLC的各種不利因素,定期進行檢
    查和日常維護,以保證PLC控制系統(tǒng)安全、可靠地運行。
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    FANUC ROBOTICS CABLE ASSEMBLY 44C741918-002R0?1
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