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In Vijeo Designer, are there any traceable way to determine who has logged in or a variable has been changed?
log user, 21 CFR Part 11
Yes, this feature is available and it is called System Event Group. It records system events with predefined event messages. To record variables changes, the option "Log User Operation on Variable" of the variable property must be checked. Logged variables are recorded automatically. You can view the messages on a Event Summary Object.