WinCC Unified – Simple Sample - List box

• You can define de number of the list items in the object proprieties, clicking “General – Selection items”: a table will be showed in the right side the inspection widow (property window). There, you can add, delete, or configure (e.g. text) the items.

• You can connect the “Process value” property to a tag (e.g. 16 bits variable). Each List item corresponds to a bit in the Process value. Changing the selection on the List Box, changing the value of the process tag. Changing the value of the process tag, changing the selection on the object.

• You can connect the “Select item” property to a tag (e.g. boolean). Each List item has a specific "Select item"to be linked to a tag. it is bidiretional like with "Process values". 
  • TIP: "Select item" is set as read-only as default, if you would like that a object selection change this variable uncheck it.
  • TIP: if you "Porcess value" and "select item" at same time use the respectives "Read-only" properties to coordenate the interaction between the tags.

Project (archived and ziped)