分析了基金会现场总线数据链路层协议,基于Nucleus Plus 嵌入式操作系统,完成了 自主版权的软件开发,与应用层和用户层模块集成,完成了自主知识产权的通信栈软件的开发,并在实验室利用一致性测试台完成了一致性测试,符合协议规范,整个协议栈软件包支持基本设备和链路主设备。 关键词:基金会现场总线, 数据链路层, 链路主设备, 链路活动调度器 Abstract: Foundation Fieldbus data link layer protocol was analyzed. The software module based on Nucleus Plus was developed. The self copyrighted communication stack was implemented and passed the conformance test in the laboratory by using Conformance Test Bed. And this protocol software supported the basic device and master device of Foundation Fieldbus. Key words: Foundation Fieldbus, Data Link Layer, Link Master, Link Active Scheduler