Choose Communication->Connect menu item or click the Connect toolbar button
to connect to your device.
Verify that the connection was successful.
If the connection was successful, the status is reflected in the status bar as below.
If the connection was unsuccessful, a pop-up error message is also displayed as below.
The Connect operation attempts to make a TCP connection to the Modbus device.
Under different circumstances, a connection attempt may fail after several seconds of initiating it. The
Connect toobar button and the menu item are both disabled until the connect operation is completed,
successfully or not.