Reference · for Engineers
Data Volume
A dashboard item that charts the values stored per period, stacked by plant or another group, with the total, the daily average and today so far.
The Data Volume item charts how many values were stored in each period, one stacked bar per period with a band per group (plant, gateway or any other grouping).
- Header. The values stored in the window, the average per finished period, the latest period so far and, with a signal bound, how many signal names the values belong to.
- Chart. Point at a bar to see each group's values in that period.
Data fields
| Field | Kind |
|---|---|
| Period | Dimension |
| Group | Dimension |
| Signal | Dimension |
| Values stored | Measure |
Period, Group and Values stored are required. Signal adds the count of signal names and lets a signal selection in another item narrow the chart.
Where to see it
The Meridian demo plant uses it on Meridian · Data Platform Command Center, filtered by the Data Dictionary item.
Related
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