Question

The difference between the wired and wireless versions of HART are at the:

Answer 1

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Answer 2

HART (Highway Addressable Remote Transducer) protocol is the global standard for sending and receiving digital information across analog wires between smart devices and control or monitoring system.
HART is a bi- directional communication protocol that provides data access between intelligent field instruments.and host systems. 
The majority of smart field of devices installed worldwide today are HART enabled.