Diag.GetPrevValAndTxt (METH)

METHOD GetPrevValAndTxt : AC500_DiagTypes.ERROR_ID

Get previous diagnosis of all devices, numeric and textual

InOut:

Scope	Name	Type	Comment
Return	GetPrevValAndTxt	AC500_DiagTypes.ERROR_ID
Inout	DataVal	AC500_DiagTypes.DIAG_VAL_TYPE	variable TO write data to
	DataTxt	AC500_DiagTypes.DIAG_TXT_TYPE	variable to write text to