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Bluetooth low energy based emergency backup and recovery solution in an industrial controller
Bluetooth low energy based emergency backup and recovery solution in an industrial controller
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机译:工业控制器中基于蓝牙低功耗的紧急备份和恢复解决方案
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摘要
An apparatus includes a BLUETOOTH low energy (BLE) based emergency backup and recovery tool. The tool includes a backup power source that stores electric energy and outputs electric energy when a main power source is off. The tool includes a shared memory accessible by a processor and a BLE module. The shared memory stores information written by the processor, and operates using at least some of the electric energy output from the backup power source when the main power source is off. The tool includes the BLE module coupled to the backup power source. The BLE module operates using at least some of the electric energy output from the backup power source when the main power source is off, reads the information stored in the shared memory, and transmits the information to an external device through a wireless communication channel using a BLUETOOTH communication protocol.
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