There is a CF card in the process station, containing an image of Windows XP Embedded and about 300 MB data storage space for SoftPLC projects.
During normal operation the Touchscreen application occupies the entire display area, and the OS icons are not visible. The operating system is not accesssible using just the touch screen. It is possible to shut down the Touch screen application operate the system using a service code. The service code is set up in the commissioning phase by the software engineer who installs the device.
The runtime (process control logic) and HMI are run automatically after the operating system boots up.