Three aspects of RS 485 application, which affect the reliability of communication of data system are analyzed and discussed. In network configuration, it presents the optimal configuration for the bus of RS 485, the ...Three aspects of RS 485 application, which affect the reliability of communication of data system are analyzed and discussed. In network configuration, it presents the optimal configuration for the bus of RS 485, the better rule for derivative line and the choice for termination. In hardware design, it presents three parts of driver’s peripheral circuit. In control software design, it presents a method of using 75176’s DE line to control the driver.展开更多
Power loss sometimes needs particular consideration in coal mine. This paper analyzes the main three parts of power consuming of RS 485 system, that is quiescent power consuming, transmission power consuming and perip...Power loss sometimes needs particular consideration in coal mine. This paper analyzes the main three parts of power consuming of RS 485 system, that is quiescent power consuming, transmission power consuming and peripheral equipment power consuming. How to reduce the power consuming in RS 485 designs is introduced, and also the method of hardware and software design is presented including choosing low power transceiver, optimizing communication data structure, optimizing communication working mode.展开更多
文摘Three aspects of RS 485 application, which affect the reliability of communication of data system are analyzed and discussed. In network configuration, it presents the optimal configuration for the bus of RS 485, the better rule for derivative line and the choice for termination. In hardware design, it presents three parts of driver’s peripheral circuit. In control software design, it presents a method of using 75176’s DE line to control the driver.
文摘Power loss sometimes needs particular consideration in coal mine. This paper analyzes the main three parts of power consuming of RS 485 system, that is quiescent power consuming, transmission power consuming and peripheral equipment power consuming. How to reduce the power consuming in RS 485 designs is introduced, and also the method of hardware and software design is presented including choosing low power transceiver, optimizing communication data structure, optimizing communication working mode.
