--- title: "Data Grid" slug: "data-grid" updated: 2024-01-31T13:49:56Z published: 2024-01-31T13:49:56Z canonical: "kb.dataparc.com/data-grid" --- > ## Documentation Index > Fetch the complete documentation index at: https://kb.dataparc.com/llms.txt > Use this file to discover all available pages before exploring further. # Data Grid The data grid displays all the current information about the tags this PortIO is collecting data for. It only updates when the **Start/Stop Grid Updating** button is toggled and will automatically stop updating 5 minutes after the grid is turned on. Its columns are: ![](https://cdn.document360.io/59db2ca4-e512-446a-a143-a7c626447812/Images/Documentation/image015_016.jpg) **OPCTagName:** OPCDA specific tag name of the point. Or for a file read, Socket or Serial port PortIO, it is the value for the tag found in the LoopNum/OPCTagname field of the Tag Editor. **DSP:** Dsparam1, the index number of this tag for this source in the ctc_config database. **Value:** Current value of the tag. **Qual:** Current quality of the tag. **Exp. TimeStamp:** Timestamp of when this tag was last written to history. **PARCview TagName:** Name of the tag in PARCView. **Dead B %:** Configured deadband percent of the tag. **Up Int. S:** Update interval for the tags in seconds. **Description:** PARCView’s tag description. **Data Change Time:** Time when the data last changed, or an update was received from the interface. **Last Reject Reason:** Last reason a data point was rejected for writing to history, based on deadbanding, MinFreq or MaxFreq, or other exception reporting logic. **Last Exp Reason:** Last reason a data point was written to history, based on deadbanding, MinFreq or MaxFreq, or other exception reporting logic. **Last Write Time:** Time when the last data point was written to history.