Object ‘Alarm storage’¶

In Alarm storage, you define the settings for the database file where CODESYS saves the alarms that occur. You can insert the object only once below an alarm configuration.

There is exactly one memory file located in a database. As an option, CODESYS saves this file in a file directory on the controller. You cannot change the name it is derived from the application name according to the following convention: <application name>.alarmstorage.sqlite. The alarm classes and alarm groups define whether or not the memory file should be used.

Subdirectory:	Name of a subdirectory on the PLC where CODESYS saves the memory file (optional).
No limit	No limit for the file size for the alarm storage.
Maximum number of records	Number of recorded entries that CODESYS saves. When this number is reached and a new entry is queued in the ring buffer, CODESYS deletes the oldest entry.
Maximum storage size	Maximum size of the memory file with specification of the unit. CODESYS converts this size implicitly into an approximate maximum number of entries that can be saved in the file (ring buffer).
Circular buffer	For display purposes only (not editable). : Memory in a circular buffer : Memory in an unlimited buffer

See also

• Configuring the Alarm Management
• Object ‘Alarm class’
• Object ‘Alarm group’