【摘要】 介绍基于HART协议的智能变送器的硬件设计。在保证低功耗的前提下实现HART协议的物理层,并通过HART/RS232转换器与上位机通信,具有电路简单,低功耗的特点。更多还原

【Abstract】 This article introduce the hardware design of the smart transmitter based on the HART protocol.It could also communicate with the upper computer,has the simple circuit structure and low power consumption ability.更多还原