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首先介绍了WorldFIP现场总线技术和现场总线智能压力变送器的特点 ,然后就现场总线智能压力变送器的主要工作原理和通信圆卡的硬件设计进行了讨论。对现场总线智能仪表的开发进行了有益的尝试和探索。这里介绍的方法也适用于其他总线型智能仪表的开发。
First introduced WorldFIP fieldbus technology and fieldbus intelligent pressure transmitter characteristics, and then the main working principle of fieldbus intelligent pressure transmitter and communication card’s hardware design are discussed. The field bus intelligent instrument development has made useful attempts and exploration. The method described here also applies to the development of other bus-based smart meters.