Omron NB Series Operation Manual page 347

3 Functions of NB-Designer
Perform the offline simulation and the effect is as shown below:
Click "Delete User" to make Delete User dialog box pop up:
Input the User Name to be deleted, the Password and Password Confirm for this user, then click
"Delete" to complete the operation of deleting users.
3-306 NB-series Programmable Terminals NB-Designer Operation Manual(V106)