聯系人：蔣經理
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地址：廈門市思明區(qū)呂嶺路1733號2009單元
NI PXIE-8861將不同的數據源連接到基于軟件的平臺
模擬量I0自診斷信息
CPU為模擬量模塊和Genius塊的每個通道建立自診斷信息。每個模擬量/O通道的自診斷信息占用一個字節(jié)。每個模擬量1/0通道使用%AI和%AQ占用兩個字節(jié)，所以自
診斷存儲器長度為數據存儲器的一半。模擬量自診斷數據包括自診斷數據和過程數據，過程數據有高報警和低報警位。自診斷數據參考-[F]-和-[NF]-結點。過程位參考高/低報警結點，-[HA]- 和-[LA]-。模擬量數據的自診斷數據為每個模擬量輸入(字)或者模擬量輸出(字)數據的自診斷數據長度為一個字節(jié)。模擬量故障結點被應用程序引用時，將對自診斷字節(jié)中除過程位所有位進行或運算。任何一個自診斷位為ON，則報警結點閉合。所有自診斷位OFF，則報警結點打開。
冗余模塊的缺省輸入和自診斷數據丟失的應用程序
GBC報告冗余模塊丟失時，CPU在下一個輸入掃描更新用缺省數據更新輸入數據表和自診斷表。在下一次輸出掃描時更新輸出自診斷信息。
BOSCH R902205680 R902205680 (BRAND NEW)
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