Hart

Hart FSK technique to superpose the digital communication on top of 4-20 mA signals
FSK technique to superpose the digital communication on top of 4-20 mA signals
What is 4-20 mA hart protocol?Why is 4 to 20mA standard?What are the 2 modes of communication in HART?Is Hart protocol still used? What is 4-20 mA h...