摘要
介绍了一种用于计算机控制系统中的智能数据采集和控制模块的设计，该模块能够采集8路1～5V或4-20mA的工业标准信号，同时能够控制8路开关量输出，模块采用Modbus现场总线协议与上位机通信。
The design of an intelligent data acquisition and control module which is used for the computer control system is introduced.The module has 8 channels to input 1-5V or 4-20mA industry standard signal and 8 channels for digital signal output.The module communicates with the main computer by means of Modbus protocol.
作者
汤凯为
胡蓉
TANG Kai-wei,HU Rong （1.Zhuhai Branch of South Communication Building Co., Ltd. Zhuhai 519000,China;2.Zhongyuan University of Technology,Zhengzhou 450007,China）
出处
《电脑知识与技术》
2008年第8期770-771,776,共3页
Computer Knowledge and Technology
