How-To Guides
Litmus Edge Manager User UI Gu...
Visualize Child Device Data Using Grafana
3min
You can visualize the data a device publishes to Litmus Edge Manager using Grafana.
To receive the Admin role on Grafana Dashboards, see the Toggle Administrator role for Grafana section of Edit a User Profile.
You must select the RAW data option for the Edge Device Data Storage setting (Litmus Edge Manager User UI > Company > Project > Settings > Edge Device Data Storage). See Project Settings to learn more.
To visualize data in Grafana:
- Make sure your child device data in Litmus Edge Manager is displaying correctly. See View Data from an Edge Device or a Child Device.
- From the navigation panel, select Features. The Features pane appears.
- Click the Grafana Dashboards tile. Grafana opens in a new browser tab.
- From the Grafana navigation panel, click the Dashboards icon, and then select Browse from the menu. The Dashboards pane appears.
- Click the Samples folder. This is available by default.
- Click the PLC Tag Browser link. The graph loads.
Grafana Visualized Data of Child Devices
To customize the Grafana data visualization:
- Use the PLC Tag Name drop-down list to select tag(s) to display.
- Use the Device drop-down list to select the child device(s) to display.
- From the top right corner, use the dashboard's toolbar options to change the graphs' time range and refresh interval.
- From the PLC Tag rates drop-down list, select the Edit option. The PLC Tag Browser > Edit Panel pane appears.
- Hover over the chart to view specific values.
- From the bottom right corner, use the Query tab to view and edit the various queries used in the chart.
Grafana: PLC Tag Browser > Edit Panel