Target system

The TwinCAT 3 EventLogger can be configured on the target system by means of registry entries.

The following keys are usable below HKEY_LOCAL_MACHINE\SOFTWARE\[WOW6432Node\]Beckhoff\TwinCAT3:

Time stamp
\EventLogger\TimestampSource	DWORD	0 = CurPentiumTime [default] 2 = CurSystemTime
\EventLogger\TimestampBase	DWORD	0 = SystemTime [default] 1 = ExternalTimeHard 2 = ExternalTimeMedium 3 = ExternalTimeSoft For 1 to 3, refer to the documentation for "Corrected time stamps" https://infosys.beckhoff.com/index.php?content=../content/1033/corrected_timestamps/index.html.
Maximum size of the message cache
\EventLogger\MaxDatabaseSize	DWORD	20 [default] in MB On reaching the limit, half of the messages will be discarded.
Message cache location
\EventLogger\DatabaseDir (From > TwinCAT 3.1 Build 4024.22)	STRING	:memory: = main memory (messages are deleted with the transition to CONFIG and also reboot etc.) <path> = file system folder for storing the LoggedEvents.db file If the key is not present, the database is placed in the boot folder. Under Windows CE this is used to store the database non-persistently.
Save messages in the Windows Error Log
\EventLogger\WindowsEventLog\TypesSupported	DWORD	0 = None [default] \| 0x1 = Messages \| 0x2 = Alarms \| 0x3 = both
\EventLogger\WindowsEventLog\LogLocaleId	DWORD	1033 [default] 0 = current locale
\EventLogger\WindowsEventLog\MinLogLevel	DWORD	0 = Verbose [default] 1 = Info 2 = Warning 3 = Error
Logging TwinCAT system errors See also https://infosys.beckhoff.com/index.php?content=../content/1031/tceventlogger/12332566027.html
HKEY_LOCAL_MACHINE\SOFTWARE\[WOW6432Node\]Beckhoff\TwinCAT3\System[LogMessageType]	DWORD	3 = acceptance of the system errors into the Tc3 Eventlogger 4 = acceptance of the system errors into the Tc3 Eventlogger and the error list of the XAE.

If the keys do not exist, they must be created with the specified type.