Wangbiao Li

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The article introduces hardware structure of RTU for monitoring remote pharos and its details of power topology, the power system consists of DC-DC modulators and LDOs, it solves the questions to improve power reliability and compatibility, and the control with good flexibility, it not only ensures RTU running well but also meets the demand of(More)
The article introduces the concept and principle of the timeout service, and elaborates on how to design it in the sequential operations and task operations during the programming for MCU (micro-controller unit). In virtue of interrupt mechanism, it needs just a few inner resources to realize. It can resolve the incidents that the program can't exit from(More)
In this paper the structure and work flowchart of monitoring remote pharos system is firstly overviewed. A RTU based on dual-MCU for remotely monitoring pharos has been developed. There are three types of working mode, Polling mode, alarm mode and Calling mode. Two independent systems based on dual MCU work depending on work modes. Especially when polling(More)
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