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Implementation of Modbus Communication Protocol based on ARM Coretx-M0

机译:基于ARM Cortex-M0的Modbus通信协议的实现

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Power plant control of the embedded data acquisition system had been developed from centralized control, distributed control into fieldbus control. The paper puts forward a design program combining Modbus communication protocol with 32-bit ARM Coretx-M0 microprocessor as its core. The overall design scheme of the system and the content of Modbus Communication Protocol are introduced while the circuit interface of RS485 is given; The embedded real-time operating system μ;C/OS-II implements the communication between master station and slave station based on Modbus RTU communication protocol, and discusses the generation of Cyclic Redundancy Check in the Modbus Communication Protocol. Experiments show that system is able to implement the data acquisition and transmission reliably.
机译:嵌入式数据采集系统的电厂控制已从集中控制,分布式控制发展为现场总线控制。提出了以32位ARM Coretx-M0微处理器为核心的Modbus通信协议的设计程序。介绍了系统的总体设计方案和Modbus通信协议的内容,给出了RS485的电路接口;嵌入式实时操作系统μ; C / OS-II基于Modbus RTU通信协议实现主站与从站之间的通信,并讨论了Modbus通信协议中循环冗余校验的生成。实验表明,该系统能够可靠地实现数据的采集和传输。

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