HART Overview DP-Flow supply a range of HART data aquisition, loop converters and programming devices to enable a huge range of HART equipment already installed in process plant.     The majority of smart field devices installed worldwide today are HART-enabled. But some new in the automation field may need a refresher on this powerful technology. Simply put, the 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. More specifically, HART is a bi-directional communication protocol that provides data access between intelligent field instruments and host systems....