CAJ | 학술논문

提出了一种面向工业现场信号采集和对现场设备控制的新型通用一体~＇LRTU的设计方案。介绍了基于ARM9处理器并采用uC／OS—II实时操作系统的I汀u系统设计方法，同时对数据传输采用的Modbus通信协议和硬件功能模块的设计进行了描述。硬件功能模块主要包括8路数字量输入、8路数字量输出、8路模拟量输入、RS232通信、RS485通信和以太网通信等模块。文中还提出了从站RTu的软件设计方法。与普通RTU相比，该方法具有更大的存储容量，更强的计算功能，更简便的编程与开发能力和强大的通信组网能力。
제출료일충면향공업현장신호채집화대현장설비공제적신형통용일체~＇LRTU적설계방안。개소료기우ARM9처리기병채용uC／OS—II실시조작계통적I정u계통설계방법，동시대수거전수채용적Modbus통신협의화경건공능모괴적설계진행료묘술。경건공능모괴주요포괄8로수자량수입、8로수자량수출、8로모의량수입、RS232통신、RS485통신화이태망통신등모괴。문중환제출료종참RTu적연건설계방법。여보통RTU상비，해방법구유경대적존저용량，경강적계산공능，경간편적편정여개발능력화강대적통신조망능력。
A newly universal design scheme of RTU is introduced, which is applied to signal acquisition and equipment control on industrial scene. It introduces the design of RTU which is based on ARM9 processor and with real-time operating system I.tC/ OS_II inside. The Modbus communication protocol in data transmitting and hardware function modules are also described. The hardware function modules mainly consist of eight digital input, eight digital output, eight analog input, RS232 communication, RS485 communication and Ethernet interface modules, etc. The design of slave RTU is also mentioned, which has much advantages in the capacity of storage, computing, programming, developing and networking over the ordinary ones.