Rubix Platform: Mapping Modbus & LoRa points to BACnet Points

Rubix Platform: Mapping Modbus & LoRa points to BACnet Points


This article describes the process of automatically mapping either LoRa or Modbus points to BACnet points.
A LoRa THL droplet and an Rubix iO-16 (UI1 and DO1 added only) has been used as an example of a LoRa and Modbus device respectively. 


In order to carry out the point mapping, first ensure that the Rubix Point Server application is downloaded and enabled. 
The BACnet server application also needs to be downloaded and configured with the correct config files. Refer to Discovering the Rubix Compute as a BACnet device for more information on setting the Rubix Compute as a BACnet server.

The next step to the point mapping process is to use the Point Mapping service to automatically map the points from either Modbus to BACnet.  To do this, navigate to the `Config > Point Mapping` page on Rubix Platform. This can be found on the Sidebar of Rubix Platform.  If it is non-existent on the Sidebar, see Rubix Platform: Customising the Sidebar to display this option on the Sidebar.

LoRa Point Mapping

  1. On the `Mappings > Point Mapping` page, click the tab `LoRa Points <> Rubix | BACnet Points` in the top right.
  2. The first field `LoRa Points` is where all the required LoRa devices/points can be selected.  Use `Select all` to select all devices, or individual devices and their individual points (such as voltage, rssi, temperature, etc).
  3. On the section titled `BACnet Points` , toggle the 'Auto create new bacnet point(s) and mapping(s)' to the ON position. The generated points can be seen the moment the switch is toggled on.  Change any required points by selecting the editing pencil next to the desired point.
  4. Click the `ADD` button located on the bottom left of the screen.
  5. Wait until all of the devices have been added to the port mappings.  The time it takes is dependent on how many devices/points are being mapped.
The `Mappings` section will automatically refresh once the devices have been successfully mapped.  If however the devices are not shown, or they are showing delayed data, the refresh button can be pressed to force a refresh of the mapping table.  This refresh button is located directly next to the blue `Sync` button above the `Mappings` table.



Modbus Point Mapping

  1. On the `Mappings > Point Mapping` page, click the tab `Modbus Points <> Rubix | BACnet Points` in the top right.
  2. The first field `Modbus Points` is where all the required Modbus devices/points can be selected.  Use `Select all` to select all devices, or individual devices and their individual points.
  3. On the section titled `BACnet Points` , toggle the 'Auto create new bacnet point(s) and mapping(s)' to the ON position. The generated points can be seen the moment the switch is toggled on.  Change any required points by selecting the editing pencil next to the desired point.
  4. Click the `ADD` button located on the bottom left of the screen.
  5. Wait until all of the devices have been added to the port mappings.  The time it takes is dependent on how many devices/points are being mapped.
The `Mappings` section will automatically refresh once the devices have been successfully mapped.  If however the devices are not shown, or they are showing delayed data, the refresh button can be pressed to force a refresh of the mapping table.  This refresh button is located directly next to the blue `Sync` button above the `Mappings` table.


Head back into the BACnet server application. The recently added points should have been populated from the auto mapping with the present values. 



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