ZYGO 7714激光干涉頭
產(chǎn)品詳情資料：
ZYGO 7714激光干涉頭這種不斷變化的數(shù)據(jù)不會(huì)自動(dòng)復(fù)制到PROM設(shè)備。它只存在于RAM內(nèi)存中。因此，如果斷電且沒有RAM內(nèi)存?zhèn)溆秒姵?，則數(shù)據(jù)將丟失。然而，在無電池系統(tǒng)中保存數(shù)據(jù)的一種方法是通過網(wǎng)絡(luò)將數(shù)據(jù)發(fā)送到可以將數(shù)據(jù)存儲(chǔ)在硬盤上的計(jì)算機(jī)。此外，RAM存儲(chǔ)器中包含的靜態(tài)數(shù)據(jù)（不變的數(shù)據(jù)），例如數(shù)學(xué)常數(shù)或查找表類型信息，ZYGO 7714可以最初存儲(chǔ)在PROM中，并在每次PLC通電時(shí)自動(dòng)寫入RAM。另一個(gè)考慮因素是，如果您更改了程序（或配置），某人必須記住將更改的信息寫入PROM設(shè)備。如果忘記了該步驟，則更改僅存在于RAM內(nèi)存中，而在無電池系統(tǒng)中，下次從PLC斷電時(shí)，更改將丟失。配置無電池系統(tǒng)以下是配置系統(tǒng)以無電池運(yùn)行的基本步驟。當(dāng)以這種方式配置時(shí)，每次PLC通電時(shí)，PROM存儲(chǔ)器的內(nèi)容將寫入RAM存儲(chǔ)器。ZYGO 7714
ZYGO 7714This constantly changing data is not being copied automatically to the PROM device. It only exists in RAM memory. Therefore, if power is lost and there is no RAM memory backup battery, this data will be lost. However, one way to preserve data in a battery-less system is to send it over a network to a computer that can store the data on its hard drive. Also, static data (data that doesn’t change) contained in RAM memory, such as mathematical constants or look-up table type information, can be stored initially in PROM and automatically written back to RAM each time the PLC powers up. Another consideration is that if you change your program (or configuration), someone will have to remember to write the changed information to the PROM device. If that step is forgotten, the change only exists in RAM memory, and in a battery-less system, it will be lost the next time power is removed from the PLC.Configuring a Battery-Less System Here are the basic steps to configure a system to run battery-less. When configured this way, the contents of PROM memory will be written into RAM memory each time the PLC powers up.ZYGO 7714
品牌：ABB
型號(hào)：ZYGO 7714激光干涉頭
產(chǎn)品說明：控制器
特點(diǎn)：模塊/卡件，控制器，觸摸屏，伺服驅(qū)動(dòng)器
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