HART Communication Tutorial Part 1
HART, an acronym for Highway Addressable Remote Transducer, is an open process control network protocol and was introduced in the
HART COMMUNICATION LAYERS The HART protocol follows the seven-layer OSI (Open Systems Interconnection) protocol, although it uses only three layers:
INSTALLATION AND GUIDELINES FOR HART NETWORKS HART devices use the conventional 4–20 mA current signal cable path to send the HART