Omron GRT1 - 11-2007 Operation Manual page 173

Analog Output Units
152
4. Select the tab page for the output where the cumulated counter is to be set,
and select the Cumulated Count Check Box in the Function Choice Area.
5. To set the counter unit, click the Cumulated Count Tab and select Hour
or Minute from the pull-down menu in the Cumulated Timer Field.
Section 5-5