The IP address and port of the device for which you want your TCP Client to establish a connection to should be entered here. This settings should be the first configuration you make after creating a new TCP Client. The Operator Panel will then tell you if your connection is working.
If you want to create a new command, you can do this here by using the 'new command' button. Choose a name and the data which should be send. You can decide between simple text or hex values. Additionally, you can also decide whether you expect a specific answer and choose between text or hex values.
If you just want to test a command, you can do this here. The result will then be displayed beneath the 'test command' button.