Directly editing Lon data

With an online Lon device, you can access and use Lon data values directly without making proxy points. This is because data are communicated among devices using variables, which appear on your device Property Sheets.
  1. Expand the Lon device in the Nav tree and expand a nci or cp variable.
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  2. Review the current values of the variables, and, if necessary, make a value change.
  3. To continue, click Save.
    The driver writes the change to the device.

    You can change nvi Lon data values in the same way, however, nvi values are overwritten again. You cannot directly change nvo Lon data values (these are read-only), but for any Lon components you can issue a Force Read action.

    Without requiring Lon proxy points, you can also make Px view usage of Lon data.