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How HART Works. “HART” is an acronym for Highway Addressable Remote Transducer. The HART Protocol makes uses Frequency Shift Keying (FSK) standard to superimpose digital communication signals at a low level on top of the 4-20mA.
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The HART Protocol Specifications Kit is a collection of 17 documents that specify all the aspects of the HART protocol. HART Communication Protocol Specification (HCF_SPEC-13 FCG TS20013). Rev. 7.9. FSK Physical Layer Specification (HCF_SPEC-54 FCG TS20054) Rev. 9.1.1. C8PSK Physical Layer Specification (HCF_SPEC-60 FCG TS20060) Rev. 1.0.
HART is the global standard for sending and receiving digital information across the 4-20mA analog current loops that connect the vast majority of field instruments with distributed control systems.
A hart is a male red deer, synonymous with stag and used in contrast to the female hind; its use may now be considered mostly poetic or archaic. The word comes from Middle English hert, from Old English heorot; compare Frisian hart, Dutch hert, German Hirsch, and Swedish, Norwegian, and Danish hjort, all meaning "deer".
The HART Communication Protocol (Highway Addressable Remote Transducer) is a hybrid analog+digital industrial automation open protocol. Its most notable advantage is that it can communicate over legacy 4–20 mA analog instrumentation current loops, sharing the pair of wires used by the analog-only host systems. HART is widely used in process ...
Apr 7, 2023 · Calibration Academy. 30.8K subscribers. Subscribed. 301. 9.2K views 1 year ago. In this comprehensive HART tutorial, we dive into the world of Highway Addressable Remote Transducer (HART)...
