基于PC104总线数据采集卡的设计  

Data Acquisition Card Design Based on the PC104 Bus

作　　者：刘小飞[1] 杨丰萍[1] 

机构地区：[1]华东交通大学电气与电子工程学院,江西南昌330013

出　　处：《华东交通大学学报》2008年第4期30-32,37,共4页Journal of East China Jiaotong University

基　　金：华东交通大学科研基金资助项目(1205024)

摘　　要：介绍了一款基于PC104总线数据采集卡的设计方法,描述了采集卡硬件接口电路的设计,主要包括A/D转换、开关量的输入输出以及定时计数功能模块的实现.该采集卡应用于真空断路器机械特性检测仪中,实现采集模拟量,开关量以及定时计数等主要功能.The paper introduces a method of data acquisition card design based on the PC104 bus, and describes the design of the acquisition card hardware interface circuit, including the design of A/D convert, the input and output of switch state, and the module of timing counting. The data acquisition card is applied in the vacuum circuit breaker＇s mechanical characteristics detector to achieve the acquisition of analog, switch state and timing counting functions.

关 键 词：PCI04总线 A/D转换 定时计数 

分 类 号：TP274[自动化与计算机技术—检测技术与自动化装置]