A16B-3200-0060

A16B-3200-0060

PLC周期性死機的特征是PLC每運行若干時間就出現(xiàn)死機或者程序混亂，或者出現(xiàn)不同的中斷故障顯示，重新啟動后又正常。根據(jù)實踐經(jīng)驗認為，該現(xiàn)象常見原因是由于PLC機體長時間的積灰造成。

所以應(yīng)定期對PLC機架插槽接口處進行吹掃。吹掃時可先用壓縮空氣或軟毛刷將控制板上、各插槽中的灰塵吹掃凈，再用95%酒精擦凈插槽及控制板插頭。清掃完畢后細心檢查一遍，恢復開機便能正常運行。

PLC程序丟失通常是由于接地不良接線有誤、操作失誤和干擾等幾個方面的原因造成的：

1、PLC 主機及模塊有良好的接地。

2、主機電源線的相線與中性線接線正確。

3、預(yù)先準備好程序包，用作備份。

4、使用手持編程器查找故障時，應(yīng)將鎖定開關(guān)置于垂直位置，拔出就可起到保護內(nèi)存的功能。

5、由于干擾的原因造成PLC程序丟失.其處理方法可參照PLC受干擾引起故障的處理。

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BECKHOFF KL3002 2-CHANNEL ANALOG INPUT terminal

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Mitsubishi CM600HA-24A 1200V 600A IGBT used

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IFM IG5842 IGA4008-CPKG/US-100-DPA 

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