E - VAE ProSys sro

6.2 Description of Functions / OverviewThe following questions and answers should provide an overview of the PLC-Mode functions. A detailed specificationof each function is given in the reference section.6.2.1 Shifting, Moving, PositioningHow are keys transferred to the PLC??When pressed, all function keys and special keys are passed into the function key field as a key bit, which is thenreset again when the key is released. The alphanumeric keys are used for editing the required value, and are nottransferred ("Key Functions" reference section and "Keyboard Operation").How can control functions be implemented?The function keys and the soft keys can contain control functions, i.e. can write set values to the PLC in a desiredlocation within the memory area for variables ("Programming Functions/ Screen Keys" section).Process display and control/ Device Manual/ Issue: 07.01101E