WOODWARD 5464-836遠(yuǎn)程Xcvr模塊
1.產(chǎn) 品 介 紹
品牌：WOODWARD
型號(hào)說明：WOODWARD 5464-836遠(yuǎn)程Xcvr模塊
優(yōu)勢(shì)：供應(yīng)進(jìn)口原裝正品，專業(yè)停產(chǎn)配件。
公司主營特點(diǎn)：主營產(chǎn)品各種模塊/卡件，控制器，觸摸屏，伺服驅(qū)動(dòng)器。
2.產(chǎn) 品 詳 情 資 料：
WOODWARD 5464-836在這種情況下，處理器單元的總狀態(tài)定義為處理器單元的內(nèi)部狀態(tài)，即處理器寄存器的內(nèi)容加上數(shù)據(jù)存儲(chǔ)器的內(nèi)容。每次主單元通過回滾點(diǎn)時(shí)，備份單元的狀態(tài)都會(huì)更新，如果主單元因錯(cuò)誤而失敗，則備份單元可以從上次通過的回滾點(diǎn)恢復(fù)程序執(zhí)行。為了最大限度地減少更新中涉及的信息量，備份單元僅更新自最新回滾點(diǎn)以來發(fā)生的更改。WOODWARD 5464-836在回滾點(diǎn)之間，寫入數(shù)據(jù)存儲(chǔ)器的這些更改存儲(chǔ)在備份單元的日志緩沖區(qū)中。在回滾點(diǎn)，處理器的總寄存器內(nèi)容也會(huì)寫入數(shù)據(jù)存儲(chǔ)器，因此也會(huì)記錄這些信息。一旦建立了回滾點(diǎn)，記錄的寫入操作將傳輸?shù)絺浞輪卧臄?shù)據(jù)存儲(chǔ)器。如果主單元因錯(cuò)誤而失敗，備份單元將從最后一個(gè)回滾點(diǎn)恢復(fù)執(zhí)行，這意味著備份單元將部分重新執(zhí)行最后一個(gè)執(zhí)行單元。為了在不影響外圍單元（CEX總線上的通信單元）的情況下重新執(zhí)行執(zhí)行單元的一部分，還將在回滾點(diǎn)之間記錄外圍單元的引用WOODWARD 5464-836
In this context, the processor unit's total status is defined as the processor unit's internal status, that is, the contents of the processor registers, plus the contents of the data memory. The backup unit's status is updated each time the primary unit passes a rollback point, enabling the backup unit to resume program execution from the last rollback point passed, should the primary unit fail due to error. In order to minimize the amount of information involved in the update, the backup unit is updated only with the changes taking place since the latest rollback point. Between rollback points, these changes that writes in the data memory, WOODWARD 5464-836are stored in a log buffer in the backup unit. At a rollback point, the processor's total register contents are also written into the data memory, so that this information is also logged. Once the rollback point is established, the logged write operations are transferred to the backup unit's data memory If the primary unit fails because of an error, the backup unit resumes execution from the last rollback point, which means the last execution unit is partially re-executed by the backup unit. In order to re-execute a portion of the execution unit without affecting the peripheral units (communication units on the CEX-Bus), the peripheral units' references are also logged between rollback pointsWOODWARD 5464-836
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