摘要
介绍了一种带现场总线的智能变送器。它遵守HART通信协议,既能作为现场总线型仪表,又能作为4～20mA二线制变送器使用。文中给出了该变送器的结构图和设计原理,介绍了主要组成部分。
An intelligent transmitter with field bus is introduced. The transmitter conforms HART protocol and can be used as field bus instrument or 4 to 20mA two wire transmitter. The structural diagram and the design principle of the transmitter are given and the main components are introduced.
出处
《自动化仪表》
CAS
北大核心
1997年第9期14-18,共5页
Process Automation Instrumentation
