Returns or sets the number of minutes between refreshes. Read/write Long.
Remarks
Setting the period to 0 (zero) disables automatic timed refreshes and is equivalent to setting this property to Null.
The value of the RefreshPeriod property can be an integer from 0 through 32767.
Example
This example sets the refresh period for the PivotTable cache (PivotTable3) to 15 minutes.
Set objPC = Worksheets("Sheet1").PivotTables("PivotTable3").PivotCache
objPC.RefreshPeriod = 15