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Development of Device Description for HART Field Device

It is estimated that over 40 million field devices supporting HART (Highway Addressable Remote Transducer) protocol are installed worldwide. To facilitate the communication between controllers and HART field devices, device descriptions (DDs) are usually adopted to achieve multi-vendor interoperability. In this paper, we introduce a general developing process of a DD for a HART field device and validate the DD via simulations. The results prove that the DD can enable a controller to read the digital process variables of a HART level transmitter and to change settings of the transmitter.