熱備用系統(tǒng)

熱備用系統(tǒng)的結(jié)構(gòu)較冗余系統(tǒng)簡(jiǎn)單,，雖然也有兩個(gè)CPU模塊在同時(shí)運(yùn)行一個(gè)程序,，但沒(méi)有冗余處理單元RPU。系統(tǒng)兩個(gè)CPU模塊的切換,，是由主CPU模塊通過(guò)通信口與備用CPU模塊進(jìn)行通信來(lái)完成的,。兩套CPU通過(guò)通訊接口連在一起。當(dāng)系統(tǒng)出現(xiàn)故障時(shí),，由主CPU通知備用CPU,，并實(shí)現(xiàn)切換，其切換過(guò)程一般較慢,。

聯(lián)系人：黃生(銷(xiāo)售工程師) 
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