Alarm Log Files

By default, a single Alarms.log file is created in your application directory to store the last 100000 alarms and events that occurred in your system (including security-related operations and operator control actions). When this Alarms.log file becomes full, the oldest records are overwritten with the new records.

A variable named "AlarmLogFreq" can be set in your application's Config.ini file to instruct your application to create separate alarm log files on a regular basis, rather than overwriting the oldest alarm and event records. You may choose to have VTS create a new alarm log file daily, weekly, or monthly, by setting AlarmLogFreq to "D", "W", or "M" respectively (please refer to "VTS Programmer's Guide: Config.ini [SYSTEM] Section Variables for Alarms" for further information).

 

When viewing the Alarm History list option, you can quickly jump to a particular day’s alarm display by using the History Date Selector button.  The accompanying Go To Today button allows you to change the display back to show today’s alarms.

 

When a date other than today is being shown, the date selector buttons will be shown with an orange highlight to alert operators to the fact that the display is showing historic rather than current information.

 

The Prev Log File and Next Log File buttons at the bottom of the Alarm page are also available to allow you to step through the log files.  The date, centered between the buttons, shows which log file you are currently viewing.