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電源的功能是什么?

發(fā)布日期:2022-04-27 點擊率:13


 

 

     PLC配有一個專用開關(guān)式穩(wěn)壓電源,將交流電源轉(zhuǎn)換為PLC內(nèi)部電路所需的直流電源,使PLC能正常工作。對于整體式PLC,電源部件封裝在主機(jī)內(nèi)部,對于模塊式PLC,電源部件一般采用單獨的電源模塊。
 

    此外,傳送現(xiàn)場信號或驅(qū)動現(xiàn)場執(zhí)行機(jī)構(gòu)的負(fù)載電源需另外配置。

 


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