HITACHI LPA220A端子模塊
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確保SM鏈路電纜TK852V010在熱插拔和OLU之前已連接。如果需要，可以更換SM鏈路電纜TK852V010，熱插拔和OLU期間除外。卸下電纜會導(dǎo)致診斷錯誤，必須修理或更換電纜。非SIL和SIL1-2應(yīng)用程序不受SM811同步的影響。它們在整個同步過程中繼續(xù)正常執(zhí)行，而不會被中斷。SM811的熱插拔要求兩個安全模塊通過同步鏈路連接，用于傳輸應(yīng)用程序狀態(tài)。在熱插拔期間，無法從Control Builder下載新配置，因為控制器是保留的。控制生成器用戶會收到一個信息對話框的通知。當(dāng)熱插入結(jié)束或中止時，保留將被釋放。如果正在進(jìn)行配置下載，則在下載完成后開始熱插拔。關(guān)鍵功能?提供一個PROFIBUS DP端口（位于TP851基板上的DB9母連接器）。?簡單的DIN導(dǎo)軌安裝?CI851處理PROFIBUS DP上從設(shè)備的循環(huán)讀寫消息。然而，最小循環(huán)時間可以是1ms，但這將取決于所使用的波特率和連接的從設(shè)備的數(shù)量。?通過使用中繼器，可以將最多124個節(jié)點連接到一個PROFIBUS DP（一個網(wǎng)段上允許32個節(jié)點）。?安裝在機(jī)組底座中的預(yù)設(shè)兩個字母的阿爾法代碼鎖定裝置可防止安裝不兼容的組件。
Make sure that SM Link Cable TK852V010 is connected before hot-insert and OLU. The SM Link Cable TK852V010 can be replaced if needed, except during hot-insert and OLU. Removing the cable results in a diagnostic error and the cable must be repaired or replaced. Non-SIL and SIL1-2 applications are not affected by synchronization of SM811. They continue to execute as normal throughout the entire synchronization without being interrupted. A Hot Swap of SM811 requires the two safety modules to be connected with a synchronization link, used to transfer the application state. During a hot swap it is not possible to download a new configuration from Control Builder, the controller is reserved. The Control Builder user is notified with an information dialog. The reservation is released when the hot insert is concluded or aborted. If a configuration download is ongoing, then the hot insert starts after the download is completed.Key Features ? Provides one PROFIBUS DP port, (a DB9 female connector located on the TP851 Baseplate). ? Simple DIN-rail mounting ? The CI851 handles cyclic read and write messages to the slaves on the PROFIBUS DP. The minimum cycle time can be 1 ms, however, but this will depend on the baud rate used and the number of attached slaves. ? By using repeaters it is possible to connect a maximum of 124 nodes to one PROFIBUS DP (32 nodes are permitted on one segment). ? Pre-set, two-letter Alpha code locking device installed in unit base prevents mounting of incompatible components.
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