【摘要】 主要论述了过程自动控制系统中HART协议接口卡的开发技术 ,对系统结构、HART接口卡的功能、电路设计、软件部分等作了具体介绍。试验表明 ,该设计是可行的更多还原

【Abstract】 The developing technology of HART based interface module in process control system is mainly described. The structure of system, the functions of HART interface module, the design of circuit and the software are introduced concretely. The tests show that the design is feasible.更多还原