LogConstants (GVL)

Default logger handles

InOut:

Scope	Name	Type	Initial	Comment
Constant	STD_LOGGER	RTS_IEC_HANDLE	0	Pseudo handle to the standard plc logger
	LOG_STD_LOGGER	RTS_IEC_HANDLE	STD_LOGGER	Pseudo handle to the standard plc logger. Can be used without an open of the logger
	LOG_INVALID_HANDLE	RTS_IEC_HANDLE	RTS_INVALID_HANDLE	OBSOLETE: Backward compatibility define for an invalid handle