In the new version(9.9.0 and later), if you didn't configure an Info Mode password and PCOM password(if using Ethernet communication) the PLC will go into stop mode.

The Info Mode password should be 4 digits that are not the same("1111" is not acceptable) defined on 1 MI.

The PCOM password should be between 8-16 characters long, and most include:

- capital/small letters

- at list 1 number

- at list one special character such "!"/"@","#".....

The easiest way to do it is using String to ASCII:

You can find more information about it in the help menu, under "Downloading/Uploading a Project".