The HART communication protocol (Highway Addressable Remote Transducer) is a widely used industrial communication standard for smart field instruments. It enables digital communication to be superimposed on traditional analog 4–20 mA signals, allowing two-way communication between control systems and field devices such as transmitters, controllers, and valves.
\n\n\n\nThe HART protocol provides access to important device information, including process variables, configuration data, and diagnostic information. This enables advanced diagnostics, remote configuration, and improved maintenance of HART-enabled devices in process automation applications.
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