What is Hart Protocol?

Definition

Highway Addressable Remote Transducer — a communication protocol that overlays digital signals on 4-20 mA analog loops. HART enables configuration, diagnostics, and multi-variable data from smart field instruments.

Related Terms

Current Loop

A 4-20 mA analog signalling standard used for transmitting sensor measurements o...

Field Bus

An industrial communication protocol such as Profibus, DeviceNet, or Modbus that...

Signal Conditioning

The process of modifying sensor signals through amplification, filtering, isolat...

Browse all Communication terms (27)

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