NI PXI-7831R卡件PLC控制模块
品牌：NI
型号：NI PXI-7831R
产品说明：卡件PLC控制模块
NI PXI-7831R卡件PLC控制模块中文资料：
NI PXI-7831R卡件PLC控制模块保护你的钥匙。每个新的350–374 CPU都配有一对按键开关。如果您使用上述一个或多个钥匙开关保护功能，我们建议您小心保护钥匙。如果钥匙丢失、放错地方或被盗，您可能会被锁定无法使用PLC，未经授权的人员可能会接触到它。可以购买零件号为44A736756-G01的替换钥匙。NI PXI-7831R该套件包含三组CPU键。所有350–374个CPU使用相同的密钥。当然，您可以选择不使用任何钥匙开关保护功能，在这种情况下，您可以将钥匙开关设置为断开位置，并将两个可配置钥匙开关功能设置为默认（禁用）设置。然后，您将不需要使用键来访问PLC。顺序事件记录器（SER）指令此功能指令（在梯形逻辑中编程）是在CPU固件9.0版中引入的，适用于所有具有此固件的350–374 CPU。SER的目的是提供动态故障排除和调试工具。NI PXI-7831R
英文资料
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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