HMI navigation
In order to change pages on the HMI so that more than one page of information can be displayed, a navigation system is required.
TIA Portal offers a standard approach to managing page navigation that is both simple and easy to utilize. Depending on the application requirements, pages can be configured in multiple ways, such as free navigation or controlled navigation:
- Free navigation is a method where every page has a navigation link to every other page:
Figure 12.1 – An example of free navigation
- Controlled navigation is a method where page access is controlled via the current page. This allows the segregation of settings pages, for example:
Figure 12.2 – An example of controlled navigation
Free and controlled navigation styles can be mixed also, whereby some pages are accessible at all locations, and some are controlled and can only be accessed in key locations. Mixing navigation...
