HITACHI LPA245A电源模块
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为了执行运行SIL3应用程序的HITACHI LPA245A的热插拔，在热插拔数字输入（I3）打开之前，必须通过键开关打开访问启用数字输入（I2）。这是通过将物理按钮连接到数字输入来执行的。系统等待确认30分钟，如果未接收到确认，则插入的HITACHI LPA245A将关闭。为了恢复，需要启动新的热插拔，即HITACHI LPA245A必须被移除并再次插入。HITACHI LPA245A的同步包括：1。确保HITACHI LPA245A之间的同步链路已就位，也就是说，封闭的TK852V010电缆已分别正确连接到两个SM链路连接器中。2.将HITACHI LPA245A插入其位置。3.当HITACHI LPA245A启动时，同步LED闪烁，随后它继续闪烁，并按顺序闪烁3次和暂停。4.按下按钮（在已经运行的安全模块上的数字输入3上创建一个边缘），一旦它开始以3次闪烁和一个暂停序列重复闪烁。5.同步指示灯闪烁得更快，直到同步完成。6.模块同步时，同步指示灯变为黄色。
For performing the hot swap of HITACHI LPA245A running a SIL3 application, the Access enable digital input (I2) must be turned ON through the key switch before the Hot-insert digital input (I3) is turned ON.This is performed by connecting a physical push-button to the digital input. The system waits for 30 minutes for the acknowledgement, if acknowledgement is not received the inserted HITACHI LPA245A will shut down. To recover, a new hot insert needs to be initiated i.e. the HITACHI LPA245A has to be removed and inserted again. Synchronization of the HITACHI LPA245A includes: 1. Make sure that the synchronization link between the HITACHI LPA245As is in place, that is, the enclosed TK852V010 cable is properly connected into both SM Link connectors respectively. 2. Insert the HITACHI LPA245A in its position. 3. When the HITACHI LPA245A starts the synchronization LED flashes, and later it continues to blink with 3 blinks and a pause in a sequence. 4. Push the button (create an edge on digital input 3 on the already running Safety Module), once it starts blinking repeatedly with 3 blinks and a pause sequence. 5. The Sync LED flashes faster until the synchronization is complete. 6. The Sync LED turns yellow when the module is synchronized.
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