What's the use of profinet?

"Industry 4.0" is the hottest topic in the manufacturing industry, so don't talk about this topic are embarrassed to greet the peers. An important part of "Industry 4.0" is the Smart factory, the communication between the factory assembly line equipment, whether the traditional wired connection or advanced wireless connectivity and distributed control, can be achieved through profinet, from a certain point of view can be said that the role of profinet is these blue and red "connecting lines." Don't underestimate these lines, these are not embroidery threads, but in "connecting the Smart World"-intelligent connections.

A little more material, the robot is currently very tall things, robot control system of communication network more and more applications of industrial Ethernet, if the controller is the human brain, then industrial Ethernet is the nervous system, used to transmit a variety of sensory signals and action instructions. The role of profinet is to make the communication network more able to meet the stringent requirements of motion control, so that the robot can be sung in the song as "I am more nervous, not afraid of fear."

What's the use of profinet?