Terminal Configuration
After inserting the terminal, it appears in the tree view. If you double-click on the terminal, the general and terminal-specific dialogs appear.

Name
Here you can enter the identifier for the selected terminal, which will appear in the tree view.
Object Id
In TwinCAT, the terminal represents an object within the IO configuration. The "Object Id" text box contains the TwinCAT object identification number.
Type
Shows the selected terminal type and its function.
Comment
Freely editable comment to describe the terminal used.
Disabled
Checking the box disables (transparent) the terminal entry for the current configuration, i.e. the terminal is not included in the I/O configuration calculation.
Create symbols
Create symbols means creating variables as symbolic names.