3402 card creating tag

Flexy 205 with FLX3402_00/S card installed in slot 1.
Creating a tag selecting EWON server. Tag Name EXT1D1. Address DI1,E1.
Will not create tag “X ERROR: Invalid IO name for Tag”
?

Found the problem - extension Dig input starts at DI3. DI1 and 2 on main board - resolved