The Connectors Tree allows you to view and add new connectors in order to bring in data.

  1. Select > System Integrator Apps > DB Builder.
System Integrator Apps > DB Builder
  1. Select the Connectors Tree.
Connectors Tree

BACnet Connector

Discover BACnet Connector

Discover allows you to discover BACnet devices on the network.

  1. Expand the Connectors Tree, and then expand BACnet.
  1. Click Discover to automatically discover the devices on the network.
Discover button
  1. Two panes display:
  • Discovered Devices: Displays available devices that can be added to Desigo Optic .
  • Added Devices: Lists connectors that have been added to Desigo Optic .
  1. Select a time stamp to see what connectors were discovered at that time.
    If you select a connector, you can add or make a template of the connector.
Device Discovery properties



Broadcast Address

Address of what is being searched for.

Custom Broadcast Address

If address of what is being searched does not appear in the Broadcast Address drop-down, type it in here. You can also specify port if needed.

Local Address

Address of local machine doing the discovering.

Custom Local Address

If address of local machine does not appear in the Local Address drop-down, type it in here. You can also specify port if needed.

Instance Number Start

The lowest instance to check can be configured here to narrow search results.

Instance Number End

The highest instance to check can be configured here to narrow search results.

Network Number

To narrow network, you can specify it here or leave as default.

Timeout (seconds)

Time spent to try and discover for said devices


Deleting BACnet Connector

  1. To delete a connector, click .
Delete Connector
  1. Click Delete to delete the connector selected.
  1. Click Apply.
  1. If you need to make changes to the current configurations already set up:
  • Re-run the auto-configuration, which overrides the existing configurations.
  • Manually configure each device in the manual window.

Haystack Connector

  1. To add a Haystack Connector, navigate to Haystack, and then click Add.
  • The Add Haystack Connector dialog box displays with required fields.
  1. Click Add.
Add Haystack Connector dialog box




Enter the IP address that connects to the station.

Display Name

Name to call that connector

Haystack Slot

Only points that have haystack slots will be allowed to be imported to the DB Builder.
This is only applicable if dragging in data through Site folder under the haystack connector

Equip Filter

If haystack slot = YES, filter equipment is allowed to be imported.

Point Filter

If haystack slot = YES, filter points that are allowed to be imported.

Username & Password

Same credentials used to login to Niagara station (or if using haystack API to connect to another project, then credentials of other project)


You can do the following to the connector:

  • Edit: Make changes to the connector information.
  • Delete: Delete the selected connector.
  • Clone: See Clone Equipment for more information.
  • Ping: Update the status.
  • Debug: Displays debugging for the Haystack connector.
  • Enable / Disable: Enable or disable the connector.
  • Write Level: Change the default write level of the connector.

If the haystackSlot is set to FALSE and the state to Closed, select the Ping button to establish a connection.

If the connector does not change, there might be an issue with the information that was stated. You can edit your haystack connection by clicking Edit.

If you are experiencing the same issue even after making the changes, you can visit the Haystack Troubleshooting guide to help resolve the issue.