CNV_DCII_COMM_S_RANGE is an SAP Structure so does not store data like a database table does but can be used to process "Range structure" Information within sap ABAP programs. This is done by declaring abap internal tables, work areas or database tables based on this Structure. These can then be used to store and process the required data appropriately.
i.e. DATA: wa_CNV_DCII_COMM_S_RANGE TYPE CNV_DCII_COMM_S_RANGE .
Below is the documentation avaialable and full details of the fields which make up this Structure.
|Data Type||length (Decimals)||Check table||Description||Conversion Routine|
|LOW||CNV_VALOLD||CHAR||50||Conversion: Old value|
|HIGH||CNV_VALOLD||CHAR||50||Conversion: Old value|