摘要
介绍了智能仪表的定义和工作原理。研究了16位混合信号处理器MSP430F149的体系结构,提出了一种基于MSP430F149的智能仪表的设计方案,具体阐述了该智能仪表的前向通道、后向通道、抗干扰电路等硬件设计和系统中的主程序、各功能模块的软件设计。该仪表具有功能强、结构简单、可靠性高、抗干扰能力强等特点,根据不同的需求可以应用于多种工业控制现场中。
The definition and operational principle of intelligent instrument are presented. The architecture of 16-bit hybrid signal processor MSP430F149 is studied. A design strategy of intelligent instrument based on MSP430F149 is proposed. The hardware design of its forward channel, backward channel, and anti-interference circuit as well as the software design of main program, and functional blocks are described concretely. The instrument features powerful functions, simple structure, high reliability and anti-interference capability. Based on different requirements, it can be used in various industrial control fields.
出处
《自动化仪表》
CAS
2006年第8期26-28,31,共4页
Process Automation Instrumentation
关键词
智能仪表
外部设备
牛顿迭代法
PID控制
Intelligent instrument Peripheral equipment Newton interpolation PID control
