NI PXI-7831R卡件PLC控制模塊
品牌：NI
型號：NI PXI-7831R
產品說明：卡件PLC控制模塊
NI PXI-7831R卡件PLC控制模塊中文資料：
NI PXI-7831R卡件PLC控制模塊保護你的鑰匙。每個新的350–374 CPU都配有一對按鍵開關。如果您使用上述一個或多個鑰匙開關保護功能，我們建議您小心保護鑰匙。如果鑰匙丟失、放錯地方或被盜，您可能會被鎖定無法使用PLC，未經授權的人員可能會接觸到它。可以購買零件號為44A736756-G01的替換鑰匙。NI PXI-7831R該套件包含三組CPU鍵。所有350–374個CPU使用相同的密鑰。當然，您可以選擇不使用任何鑰匙開關保護功能，在這種情況下，您可以將鑰匙開關設置為斷開位置，并將兩個可配置鑰匙開關功能設置為默認（禁用）設置。然后，您將不需要使用鍵來訪問PLC。順序事件記錄器（SER）指令此功能指令（在梯形邏輯中編程）是在CPU固件9.0版中引入的，適用于所有具有此固件的350–374 CPU。SER的目的是提供動態故障排除和調試工具。NI PXI-7831R
英文資料
Protect your keys. Each new 350–374 CPU is supplied with a pair of keys for the key switch. If you use one or more of the key switch protection features described above, we recommend you carefully guard your keys. If they are lost, misplaced, or stolen, you may be locked out from working on your PLC, and unauthorized persons may have access to it. Replacement keys can be purchased under part number 44A736756-G01. This kit contains three sets of CPU keys. All 350– 374 CPUs use the same key. Of course, you can choose to not use any of the keyswitch protection features, in which case you can leave the keyswitch set to the OFF position, and leave the two configurable keyswitch features set at their default (disabled) settings. Then, you will not need to use a key to access the PLC. Sequential Event Recorder (SER) Instruction This functional instruction (programmed in ladder logic) was introduced in CPU firmware release 9.0 and is available in all of the 350 – 374 CPUs that have this firmware. The purpose of the SER is to provide a dynamic troubleshooting and debugging tool.
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