摘要
介绍采用８９Ｃ５１单片机作为中心智能单元，通过多路模拟开关对３２路变送器输入的温度、湿度、流量、压力等信号进行采集的多通道数据采集系统的结构性能及其工作原理。
The structural features and operational principle of the data acquisition system with multiple channels are introduced. The system is composed of the 89C51 single chip computer as central intelligent unit and the analog multiplexer for collecting 32 signals of temperature, humidity, flow and pressure.
出处
《自动化仪表》
CAS
北大核心
2000年第6期33-35,共3页
Process Automation Instrumentation
关键词
单片机
多通道数据采集系统
Single chip computer Data acquisition A/D conversion Analog Multiplexer
