Enter the function type or function block type to edit in this text box.

You have the following options to enter the function type or function block type:

• You can directly enter the type.

• You can select the type from the list of recently used types using the symbol.

  or

• Using the button ... you can open a dialog box to select FFB types.

For existing function blocks this textbox shows the name of the selected function block instance.

For function blocks to be generated enter the name of the selected function block instance in this textbox.

You have the following options to enter the function instance or function block instance:

• You can directly enter the instance.

• You can select the instance from the list of recently used instances using the symbol.

  or

• Using the button ... a dialog box for FFB instances selection .

This column displays the formal parameters (inputs, outputs) of the function instance or function block instance.

This column displays the data types of the formal parameters (inputs, outputs) of the function instance or function block instance.

This column displays the pin positions of the formal parameters (inputs, outputs) of the function instance or function block instance.

This column displays the comments of the formal parameters (inputs, outputs) of the function instance or function block instance.

Enter the actual parameters of the function instance or function block instance in this column.

You have the following options to enter actual parameters:

• You can directly enter the actual parameter.

• You can select the actual parameter from the list of recently used actual parameters using the symbol.

  or

• Using the button ... a dialog box for variables selection .

Using this button you can increase thenumber of inputs for expandable functions (e.g. AND, OR).

Expandable pins can be recognized from the following display:

To add further pins select the last pin in the structure and confirm using the Add pin button.

Using this button you can decrease the number of inputs for expandable functions (e.g. AND, OR).

To decrease the number of inputs select the last pin(s) in the structure and use the Remove pin(s) button.

Use this button to call up the FFB.

Some complex FFBs provide additional windows for entering actual parameters. To access these windows use the Special Assistant button.

For new FFBs the FFB insert mode for placing FFBs becomes active.

Use this button to accept the allocated actual parameters for existing FFBs.

With this button, you can close the dialog box without accepting changes.

Use this button to call up the dialog.