“No protection”

: The project file is not protected from unauthorized access and data manipulation.

Note: We strongly recommend that you use security functionality.

: The “Password”, “Dongle”, and “Certificates” options cannot be selected.

“Integrity check”

When you create a new project, this option is enabled by default.

: The project file is stored in a proprietary format and its integrity is checked each time the project is loaded. The file may be incompatible with older versions of the development system.

Please note that the project file is not encrypted. To better protect your data, activate one of the encryption functions.

“Encryption”

: The “Password”, “Dongle”, and “Certificates” encryption functions can be selected.

“Password”

Entering, changing and confirming the encryption password.

If you save the project with these settings you must enter the password later in order to open the project again, even if it is to be loaded as a library reference.

“Dongle”

Requirement: you have connected the CODESYS security key (dongle) to the computer.

“Add”: The dialog “Add Registered Dongle” opens.

“Registered dongles”

Drop-down list of the registered dongles.

“Certificates”

Certificates are used for the encryption of contents of the open project file.

Requirement: The certificates for all users who share the project must be installed in the local memory.

: The “Certificate selection” dialog opens.

“Dongle”

Drop-down list of all connected dongles.

“Update”

CODESYS refreshes the drop-down list.

“Flash”

The LEDs of the currently selected dongle flash for two seconds (if it supports this function).