Encrypting Communication

Overview

Communication with the controller connected in the project should be protected against unauthorized access.

Consideration for HMISCU Controllers

NOTE:

Encrypted communication is not available for HMISCU controllers.

Enforcing Encrypted Communication

For further information, refer to the following sections in the EcoStruxure Machine Expert online help:

Encrypting communication to the controller
Changing security settings to add, edit, and remove a user in the online user management of the target device where you are logged in.
Managing certificates which should be used for secured TCP communication at application level. For detailed information, refer to the user guide How To Manage Certificates on the Controller.
Managing certificates which are applied by the OPC UA client provided by the controller. For detailed information, refer to the user guide How to Manage Certificates for OPC UA Client.
Managing certificates which are expired.

NOTE: If the CODESYS Security Agent is installed, refer to CODESYS Security Agent.