摘要
描述了数字电位器技术在某平台加温控制仪中的高精度调节应用,基于微处理器STM32F205,通过SPI接口控制数字电位器AD8400实现测温设备负载端阻值的变化,完成模拟平台加温过程。该方案硬件连接简单,控温精确,能完全满足实际应用的要求。
This paper describes the adjusting application of the high precise digital potentiometer in platform heating circuit. In this paper,the microprocessor STM32F205 controls the digital potentiometer AD8400 through the SPI to change the load resistance of the temperature measuring equipment and to complete the simulation of platform heating process. The system has the characteristics of simple hardware circuit and accurate temperature control. It can meet the requirement of practical application.
出处
《仪表技术》
2016年第7期40-42,共3页
Instrumentation Technology
