Based on fully understanding and analysizing of the FF specification,I came out the minimum sub-realization of BASIC and its hardware discussion according to the FF communication specification and test need.

• 本文在对FF现场总线协议规范进行全面的理解和分析的基础上,根据FF通讯行规和对FF基本类设备的测试要求,提出了一种可满足FF协议测试的基本类设备的最小子集及其软硬件实现方案。