With the development of digital circuits and computer technology, the functional distinctions between high, medium, and low-end HMI products will become increasingly blurred, and HMI functions will become increasingly rich. HMI products with screens larger than 5.7 inches will all feature color displays, and screen lifespans will be longer.
Due to the reduction in computer hardware costs, high-end HMI products will primarily use tablet PCs as their hardware, as these high-end products have significant advantages in processor speed, storage capacity, the types and number of communication interfaces, networking capabilities, and software resource sharing, representing the future direction of HMI product development.
Of course, small-sized HMI products (display sizes smaller than 5.7 inches), due to their advantages in size and price, will be widely used in human-machine interaction applications for small mechanical devices as their functions are further enhanced (such as adding I/O functions).
