This manual describes the implementation of the PROFIBUS layer 2 protocol software running under the realtime kernel/operating system OS-9 and PEP’s MC68302 controllers (i.e. IUC/ VIUC/ VM30/ SMART I/O).

数据链路层服务定义：1范围2引用标准3概论4PROFIBUS接口-Data link layer service definition: 1 Scope 2 Normative references 3 Introduction 4PROFIBUS Interface