机构地区: 上海交通大学机械与动力工程学院机器人研究所
出 处: 《组合机床与自动化加工技术》 2003年第2期54-55,共2页
摘 要: 提出一种PLC与无线通信模块的接口方案 ,实现了PLC之间的半双工无线通信。解决了收发切换和通信可靠性问题。 In this paper, a scheme of interface between PLC and RF module is considered. To achieve the half-duplex communication among PLCs, two critical problems: Transmit enable and reliability of communication are solved. An applied circuit and AX.25 frame format are also introduced.