Internal symbols

Internal symbols are independent of the server and are valid within a browser instance. The internal symbols thus enable variables to be saved individually for each client.

Internal symbols 1: Create Internal Symbol: This button adds a new internal symbol to the project.

Internal symbols 2:

Create Internal Symbol

Clicking on the button Create Internal Symbol or double-clicking on <create new internal symbol> opens a dialog for adding internal symbols:

Internal symbols 3:
  1. Data type: Data type of the internal symbol. The selection is made via the combobox.
  2. Symbol Name: Name of the internal symbol.
  3. Default Value: Default value of the internal symbol that is set when loading the client.
  4. Persist: Defines whether the symbol is saved persistently in the client. A persistent internal symbol is available at the next start of the HMI.
  5. Read-only: Defines whether the symbol may only be read or whether read and write access is allowed.