What is HART Protocol?
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==========================
✅ Check out the full blog post over at
https://realpars.com/hart-protocol
==========================
In this video, you will learn what HART protocol is, how HART is used with analog sensors, how a HART analog sensor works, and what advantages a HART analog sensor can give your operation.
Current-loop technology has been used for analog sensors for the past 4 decades to transmit important process data to the control system, whether that system is a DCS (distributed control system) a PLC (programmable logic controller), or a single-loop controller.
Current-loop data transmission is simple and cost-effective. Only a small amount of current (4 to 20 milliamps to be exact) is required over a single pair of wires for each current loop sensor. One 2-amp, 24 Volt DC power supply can “drive” dozens of sensors.
For current-loop analog sensors, the lowest measurable process value is called the Lower Range Limit, or LRL. The analog sensor will output 4 milliamps at this 0% reading. The highest measurable process value is called the Upper Range Limit, or URL. The analog sensor will output 20 milliamps at this 100% reading.
==========================
Missed our most recent videos? Watch them here:
https://realpars.com/discrete-sensors-part-2/
https://realpars.com/automation-pyramid/
https://realpars.com/discrete-sensors-part-1/
=============================
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A special thanks to Frederico Duarte Fagundes for translating this video.
#RealPars #HART #HARTProtocol
Видео What is HART Protocol? канала RealPars
==========================
✅ Check out the full blog post over at
https://realpars.com/hart-protocol
==========================
In this video, you will learn what HART protocol is, how HART is used with analog sensors, how a HART analog sensor works, and what advantages a HART analog sensor can give your operation.
Current-loop technology has been used for analog sensors for the past 4 decades to transmit important process data to the control system, whether that system is a DCS (distributed control system) a PLC (programmable logic controller), or a single-loop controller.
Current-loop data transmission is simple and cost-effective. Only a small amount of current (4 to 20 milliamps to be exact) is required over a single pair of wires for each current loop sensor. One 2-amp, 24 Volt DC power supply can “drive” dozens of sensors.
For current-loop analog sensors, the lowest measurable process value is called the Lower Range Limit, or LRL. The analog sensor will output 4 milliamps at this 0% reading. The highest measurable process value is called the Upper Range Limit, or URL. The analog sensor will output 20 milliamps at this 100% reading.
==========================
Missed our most recent videos? Watch them here:
https://realpars.com/discrete-sensors-part-2/
https://realpars.com/automation-pyramid/
https://realpars.com/discrete-sensors-part-1/
=============================
To stay up to date with our last videos and more lessons, make sure to subscribe to this YouTube channel:
http://goo.gl/Y6DRiN
=============================
TWEET THIS VIDEO: https://ctt.ec/cro80
=============================
Like us on Facebook: https://www.facebook.com/therealpars/
Follow us on Twitter: https://twitter.com/realpars
Follow us on LinkedIn https://www.linkedin.com/company/realpars
=============================
A special thanks to Frederico Duarte Fagundes for translating this video.
#RealPars #HART #HARTProtocol
Видео What is HART Protocol? канала RealPars
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