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what is the difference about HART, and 4-20mA signal?
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Answer Posted / prince
normally in industries we use 4-20mA signal to transfer the
signal from a transmitter to the control system.nowadays
the trasmitters are smart type. so a HART is a device used
to communicate with this smart transmitters to get the data
online or offline. HART is a digital device, so this
digital signal will superimpose on the analog transmiiter
signal without disturbing it.
| Is This Answer Correct ? | 19 Yes | 14 No |
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