PLC相關(guān)組成(6張)一．系統(tǒng)組成。
二．各部分的作用。
1． CPU運算和控制中心
起“心臟”作用。
縱：當(dāng)從編程器輸入的程序存入到用戶程序存儲器中，然后CPU根據(jù)系統(tǒng)所賦予的功能（系統(tǒng)程序存儲器的解釋編譯程序），把用戶程序翻譯成PLC內(nèi)部所認(rèn)可的用戶編譯程序。
橫：輸入狀態(tài)和輸入信息從輸入接口輸進，
CPU將之存入工作數(shù)據(jù)存儲器中或輸入映象寄存器。然后由CPU把數(shù)據(jù)和程序有機地結(jié)合在一起。把結(jié)果存入輸出映象寄存器或工作數(shù)據(jù)存儲器中，然后輸出到輸出接口、控制外部驅(qū)動器。
組成：CPU由
控制器、
運算器和
寄存器組成。這些電路集成在一個芯片上。CPU通過地址總線、數(shù)據(jù)總線與I/O接口電路相連接。廈門潤星貿(mào)易有限公司：主營產(chǎn)品
DCS集散式控制系統(tǒng)、PLC可編程控制器、數(shù)控系統(tǒng)、（CPU處理器、模塊、卡件、控制器、伺服驅(qū)動、驅(qū)動器、馬達電機、 內(nèi)存卡、 電源，機器人備件等）各類工控備品備件產(chǎn)品。
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