See Upload Device Measurements (L+G) Page 1 on page 2-2 for the business process diagram associated with this activity.Actor/Role: L+G Head End SystemDescription: The Landis+Gyr Command Center extracts device measurements ( IMDs) and creates file(s) on a daily basis. Extract is typically scheduled to occur immediately after all the data from the Data Collectors or Take Out Points have been uploaded into Command Center.