基于以太网的开关量I/O接口设计  

Design of switch amount I/O interface based on Ethernet

作　　者：陈雅妮 高原[2] 

机构地区：[1]山东信息职业技术学院 [2]曲阜师范大学实验教学中心

出　　处：《电子技术（上海）》2017年第10期43-45,共3页Electronic Technology

摘　　要：文章介绍了一种基于以太网的分布式开关量I/O接口设备,该设备能够利用现场工业以太网组网将开关量信号采集并通过以太网传输至上位机,同时具有将以太网数据转换为开关量数据的功能。与传统总线式开关量I/O接口相比系统的实时性与通用性得到提高,该设备具有了Ethernet传输可靠和维护简单的特点,在工业生产监测监控中具有一定的使用价值。This paper introduces a distributed I/O switch based on Ethernet interface device, the device can use the industrial Ethernet networking technology, the signal acquisition and transmission to the host computer, also has Ethernet data conversion to switch data function. Compared with the traditional bus type digital I/O interface system real-time and versatility is improved, the device has a reliable Ethernet transmission and easy maintenance features, has a certain value in monitoring in industrial production.

关 键 词：以太网 单片机 I/O接口 

分 类 号：TP393.11[自动化与计算机技术—计算机应用技术]