PLC運(yùn)行過(guò)程中需生成或調(diào)用中間結(jié)果數(shù)據(jù)(如輸入/輸出元件的狀態(tài)數(shù)據(jù)、定時(shí)器、計(jì)數(shù)器的預(yù)置值和當(dāng)前值等)和組態(tài)數(shù)據(jù)(如輸入輸出組態(tài)、設(shè)置輸入濾波、脈沖捕捉、輸出表配置、定義存儲(chǔ)區(qū)保持范圍、模擬電位器設(shè)置、高速計(jì)數(shù)器配置、高速脈沖輸出配置、通信組態(tài)等)，這類數(shù)據(jù)存放在工作數(shù)據(jù)存儲(chǔ)器中，由于工作數(shù)據(jù)與組態(tài)數(shù)據(jù)不斷變化，且不需要長(zhǎng)期保存，所以采用隨機(jī)存取存儲(chǔ)器RAM。
 
RAM是一種高密度、低功耗的半導(dǎo)體存儲(chǔ)器，可用鋰電池作為備用電源，一旦斷電就可通過(guò)鋰電池供電，保持RAM中的內(nèi)容。


聯(lián)系人：黃生(銷售工程師) 
移動(dòng)電話:18030263579 
固話:0592-6895320 
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