How to Change Datablock and Name Tag Default Position
If you go to Project on the top left -> Options -> One-Line, on the bottom right portion, there is a 'Current and New Project' section. Click on ANSI/IEC and and a new window will appear. Select the bus, and change the Datablock position on symbol:
Ex. If you set Name Tag to Top Left and Datablock to Top Right:
Each time you add an attribute to your datablock, you will have to set the datablock position to default to set to the correct position by going to One-Line drop-down -> Datablocks -> Position/Orients to Default.