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User Action Logging in WinCC 6.2

Yes, it's possible to log user actions in WinCC 6.2, creating a historical record of what users do within the HMI. Here's how you can approach this:

Methods for Logging User Actions:

1. Event Logging with User Context: WinCC 6.2's event system can be configured to include the user ID associated with each event. This requires careful configuration of event triggers and using the %U system variable (current user).
2. Tag Logging with User Actions: Create internal tags that are written to whenever a specific user action occurs (e.g., button press, value change). Use scripts associated with these actions to write the user ID and action details to the tags. These tags can then be archived to a historical database.
3. VBScript Auditing: Implement VBScript code within WinCC 6.2 to explicitly log user actions to a database or text file. This provides the most flexibility but requires significant programming effort.

Implementation Steps & Considerations:

• Database Choice: Consider using a database like MS SQL Server, Oracle, or Access for historical data storage. WinCC 6.2 supports connections to these databases.
• User Management: Ensure proper user account management is configured within WinCC 6.2 to uniquely identify each user.
• Performance Impact: Excessive logging can impact HMI performance. Carefully select which actions to log and optimize logging frequency.

For detailed guidance, refer to the SiePortal Knowledge Base articles:

• How do you create a user-specific event log in WinCC?
• How to log user actions to an SQL Server database in WinCC?

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