A password can be set to the rugged model.
A password can be set to the GOT individually for each case when the security is required.

・ Setting a password to change the contents of the screen display for each user
　　　→ Level authentication or operator authentication
・ Setting a password to restrict invalid data reading and writing
　　　→ Data transfer security
・ Setting a password to restrict the utility startup and password setting screen display
　　　→ Functional operation security

For the details, refer to the following.
GT Designer3 (GOT2000) Screen Design Manual (SH-081220ENG-W)
"5.2.8 Configuring the security settings for displaying screen data on the GOT ([Screen Security] (Level authentication))"
"5.2.7 Configuring the security settings for displaying screen data on the GOT ([Screen Security] (Operator authentication))"
"5.2.10 Configuring the security setting for transferring data ([Data Transfer Security])"
"5.2.9 Configuring the security settings for operating the utility and the monitor functions ([Functional Operation Security])"