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Highway Addressable Remote Transducer Protocol

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 and…

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History

Rosemount Inc.Open protocol
2 related topics

Modes

PollingDigital current loop interface
2 related topics

Packet structure

Checksum
1 related topics

Overview

OSI model4–20 mABell 202
3 related topics

Key facts & relationships

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Device addressing
Hardware/software
Governing body
FieldComm Group
Maximum devices
15 in multidrop
Maximum speed
Depends on physical layer employed
Network topology
Point-to-point, multidrop, wireless mesh
Physical media
4–20 mA analog instrumentation wiring or 2.4 GHz wireless

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Overview

History

Modes

Packet structure

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Map overview Semantic statistics

Highway Addressable Remote Transducer Protocol

Nodes13
Edges12
Triples7
Avg. degree1.85
Density0.153846
Components1

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Highway Addressable Remote Transducer Protocol

Top relations

Device addressing · 1
Highway Addressable Remote Transducer Protocol → Hardware/software
Governing body · 1
Highway Addressable Remote Transducer Protocol → FieldComm Group
Maximum devices · 1
Highway Addressable Remote Transducer Protocol → 15 in multidrop
Maximum speed · 1
Highway Addressable Remote Transducer Protocol → Depends on physical layer employed
Network topology · 1
Highway Addressable Remote Transducer Protocol → Point-to-point, multidrop, wireless mesh
Physical media · 1
Highway Addressable Remote Transducer Protocol → 4–20 mA analog instrumentation wiring or 2.4 GHz wireless
Type of network · 1
Highway Addressable Remote Transducer Protocol → Device (Process Automation)

Important terminology Word statistics

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Important terminology

hart 20 ma protocol used current address number device analog communication digital one command industrial systems bytes automation instrumentation layer

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Highway Addressable Remote Transducer ProtocolDevice addressingHardware/software1.00infobox
Highway Addressable Remote Transducer ProtocolGoverning bodyFieldComm Group1.00infobox
Highway Addressable Remote Transducer ProtocolMaximum devices15 in multidrop1.00infobox
Highway Addressable Remote Transducer ProtocolMaximum speedDepends on physical layer employed1.00infobox
Highway Addressable Remote Transducer ProtocolNetwork topologyPoint-to-point, multidrop, wireless mesh1.00infobox
Highway Addressable Remote Transducer ProtocolPhysical media4–20 mA analog instrumentation wiring or 2.4 GHz wireless1.00infobox
Highway Addressable Remote Transducer ProtocolType of networkDevice (Process Automation)1.00infobox

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