DOCA0098EN-11

Viewing a Real Time Trending Graph or Table

You can view a real time trend of multiple devices and topics.
  1. Click Monitoring > Real Time Data > Real Time Trending.
  2. Select devices from the Available Devices list, then select a topic(s) from the Available Topics list.
    NOTE: Only topics common to all selected devices are available for trending. The maximum number of topics to trend is dependent on the number of devices selected. The product of the selected devices and topics must be 9 or less.
  3. Select the axis update method:
    • Fixed adds data points left to right and the x-axis stays constant.
    • Auto re-plots data points and redraws the x-axis after each sample.
  4. Choose a trend duration of 1 to 15 minutes.
    NOTE: Data samples are taken at a one-second rate but may take longer depending on the communications load on the serial sub-net and/or remote devices.
  5. Click Start Sampling. The graph begins to update.
  6. You can stop trending before reaching the trend time by clicking Stop Sampling. If you press Start Sampling again, a new trend is started.
  7. Click VIEW POINTS to see the data in a table format.
    During the sampling, you can change the axis and line type, as well as navigate away from Real Time Trending.

    The session inactivity time-out interval begins after the sample is complete or stopped.

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