Review previous tag values

Use the Previous Values tab in the Tag Info pane to review previously entered values for the tag and use the selected value and/or comment as the current tag value and/or comment. You can also review tag value details.

1. In the Tag Info pane of the Data Entry window, click the Previous Values tab.

2. Select a value entry from the list.

3. Choose from the following actions.

   To ...	Do this ...
   Use the previous tag value as the current value	Right-click and select Use Selected Value.
   Use the previous comment entry as the current value comment	Right-click and select Use Selected Comment.
   Use the previous tag value and comment as the current value and comment	Right-click and select Use Selected Comment and Value.
   Review the trend	Right-click and select Show Trend.
   Show tag value details	Right-click and select Show Details on this value. For more information, see Show previous tag details.
   Change the search range	Right-click and select Search Criteria. For more information, see Search previous tag values.
   View the cached value	Right-click and select Show Cached Data. Cached values are displayed in the Value (Cached) column and the background color is modified. To display the database data value again, click Refresh.
   Add or modify a comment	Right-click the value and select Add Comment. In the Comment/Log Entry window, edit an existing comment or type a comment of up to 4,000 alphanumeric characters in the Please enter text pane. You can also select predefined text from a comment template, as described in Enter text from a predefined comment/log template. In response to the You are about to make changes to data in the PI Data Archive. Are you sure you want to continue? prompt, click OK.
   Delete selected value from PI Note: Only possible if a PI Manual Logger administrator user has unchecked the Only Admin users can delete data from PI global option.	Right-click the value and select Delete Selected Value from PI. In response to the You are about to make changes to data in the PI Data Archive. Are you sure you want to continue? prompt, click OK.