What does 'HART' stand for in instrumentation communication?

What does 'HART' stand for in instrumentation communication?

• A. High Accurate Remote Transducer
• B. High Addressable Reliable Transmitter
• C. Highway Addressable Remote Transducer
• D. Highway Automated Response Transmitter

Answer: (C)

'HART' stands for Highway Addressable Remote Transducer. This term refers to a communication protocol used in process automation and instrumentation which allows smart field devices to communicate with control systems and other devices over a single pair of wires. The 'highway' aspect reflects the ability to transmit data over standard wiring infrastructure, while 'addressable' indicates that the devices can be uniquely identified on this communication pathway. The term 'remote' highlights the ability of the system to communicate with devices that may be physically distanced from the control system. This protocol is particularly beneficial as it enables not only process control but also diagnostics and configuration of devices from a central location.

'HART' stands for Highway Addressable Remote Transducer. This term refers to a communication protocol used in process automation and instrumentation which allows smart field devices to communicate with control systems and other devices over a single pair of wires. The 'highway' aspect reflects the ability to transmit data over standard wiring infrastructure, while 'addressable' indicates that the devices can be uniquely identified on this communication pathway. The term 'remote' highlights the ability of the system to communicate with devices that may be physically distanced from the control system. This protocol is particularly beneficial as it enables not only process control but also diagnostics and configuration of devices from a central location.