WOODWARD 5464-836远程Xcvr模块
1.产 品 介 绍
品牌：WOODWARD
型号说明：WOODWARD 5464-836远程Xcvr模块
优势：供应进口原装正品，专业停产配件。
公司主营特点：主营产品各种模块/卡件，控制器，触摸屏，伺服驱动器。
2.产 品 详 情 资 料：
WOODWARD 5464-836在这种情况下，处理器单元的总状态定义为处理器单元的内部状态，即处理器寄存器的内容加上数据存储器的内容。每次主单元通过回滚点时，备份单元的状态都会更新，如果主单元因错误而失败，则备份单元可以从上次通过的回滚点恢复程序执行。为了最大限度地减少更新中涉及的信息量，备份单元仅更新自最新回滚点以来发生的更改。WOODWARD 5464-836在回滚点之间，写入数据存储器的这些更改存储在备份单元的日志缓冲区中。在回滚点，处理器的总寄存器内容也会写入数据存储器，因此也会记录这些信息。一旦建立了回滚点，记录的写入操作将传输到备份单元的数据存储器。如果主单元因错误而失败，备份单元将从最后一个回滚点恢复执行，这意味着备份单元将部分重新执行最后一个执行单元。为了在不影响外围单元（CEX总线上的通信单元）的情况下重新执行执行单元的一部分，还将在回滚点之间记录外围单元的引用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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