TMR功能的模塊狀態(tài)對(duì)電源故障是可記憶的。當(dāng)接通電源時(shí),不會(huì)出現(xiàn)自動(dòng)回零(清除)。當(dāng)電流斷開(kāi)時(shí)斷開(kāi)延時(shí)定時(shí)器增值,并且在電流接通時(shí)它復(fù)位至0。時(shí)間以十分之-秒,百分之一秒或千分之一秒計(jì)數(shù)。此范圍為0~+32767個(gè)時(shí)間單位。此定時(shí)器的狀態(tài)當(dāng)電源斷開(kāi)時(shí)為保留值,在電源接通時(shí)亦不出現(xiàn)回零。
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