WOODWARD 5464-843 Cpu處理器模塊
1.產 品 介 紹
品牌：WOODWARD
型號說明：WOODWARD 5464-843 Cpu處理器模塊
優勢：供應進口原裝正品，專業停產配件。
公司主營特點：主營產品各種模塊/卡件，控制器，觸摸屏，伺服驅動器。
2.產 品 詳 情 資 料：
WOODWARD 5464-843在重新執行期間，使用已經執行的外圍單元引用的結果，而不是重新執行它們。讀取操作的結果將從日志中檢索，而寫入操作將在不執行的情況下傳遞，因為它們已經執行。因此，除了發生的時間延遲外，外圍設備的狀態不會以任何方式受到重新執行的影響。處理器單元中包含的RAM提供自動雙反轉存儲器功能，WOODWARD 5464-843用于檢測存儲器中的任意位錯誤。?所有內存更新都并行寫入主內存和反向內存。?在每個內存讀取周期，比較兩個內存的數據。?如果數據不匹配，則強制轉換。雙反轉內存處理是在硬件中完成的，不會對內存周期時間造成任何延遲。冗余配置中的MAC和IP地址處理為了提供與控制網絡相關的無擾切換，MAC地址和IP地址在初始主CPU和備用CPU之間交換。初始主CPU的地址被存儲并保持為代理主CPU使用的地址WOODWARD 5464-843
During re-execution, the results of the peripheral units' references, which have already been executed, are used, rather than re-executing them. The results of read operations are retrieved from the log, and write operations pass without execution,WOODWARD 5464-843 since they have already been executed. The peripheral units' statuses, then, are not affected by the reexecution in any way, except for the time delay which occurs. The RAM included in the processor unit provides an automatic double inverted memory function for detection of arbitrary bit errors in the memory. ? All memory updates are written to both the primary memory and to the inverted memory in parallel. ? At every memory read cycle, the data from tho two memories is compared. ? If there is a mismatch in the data a changeover is forced. The double inverted memory handling is done in hardware and without any delay to the memory cycle time.MAC and IP Address Handling in Redundant Configuration In order to provide for a bumpless changeover with respect to the control network, both the MAC and IP addresses are swapped between the initial primary and backup CPUs. The addresses of the initial primary CPU are stored and kept as the addresses used by the acting primary CPUWOODWARD 5464-843
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