Each version of the HART protocol improves on the last. Thus, the advent of the HART 7 brought optimized wireless networking and unified wired and wireless connections. It also added benefits like exception reports and synchronized sampling. Have a look at the graphic below for a comparison of HARTs 5, 6, and 7. This should give you some sense of HART 7 benefits.
Want more information? If so, please check the links below:
Other resources that might interest you
Could you explain why should I have a HART multiplexer interface in my automation system?
I have an AMS suite device manager, but I would like to know if can I use the Viator Bluetooth with my software? If so, do you know anything about that?
Should I always have a 250-ohm resistor to use the handheld communicator with a HART device?
Could you explain how it’s possible to send a digital communication through an analog signal?