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Once a local device has been configured a remote BACnet device can be added. You must know the IP address and device number of the remote device to configure a connection. 

UDP is a connectionless protocol so a device is considered connected or initialized once Ignition has sent a Who-Is, received an I-Am, and then interrogated the remote device for some basic properties, including its object list and the supported properties of each object.

The object and properties are cached and subsequent connection attempts will only re-read them if the Database_Revision property changes. You can invalidate the browse data under the “More” menu for a given device (Config > OPC UA > Device Connections) on the devices page in the Ignition Gateway.

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Connect to a Remote BACnet Device

  1. Go to the Config section of the Gateway Webpage.
  2. Scroll down and select OPC UA > Device Connections.

  3. On the Devices page, click on Create new Device.
  4. Select BACnet/IP, and click Next.
  5. Select the local device from the dropdown. If no local devices are shown, you'll need to set one up first. See BACnet Local Device.
  6. Fill in the following fields:

    Name: BACnet Remote
    Hostname: Enter the IP address, for example 10.10.###.##
    Remote Device Number: The instance number of the remote device you're setting up.

  7. Leave the default values in the remaining fields.
  8. Click Create New Device.
  9. The Devices page is displayed showing the BACnet/IP device is successfully created and added to Ignition.

Device Settings 



Device name.


Device description. 


Default is set to true.


Local Device

The name of the local BACnet device instance that will be used when communicating with the remote device.  If no local devices are shown, you'll need to set one up first. See BACnet Local Device.

Remote Address

The hostname or IP address of the remote device.

Remote Port

The port that the remote device is listening on. Default is 47,808.

Remote Device NumberThe instance number of the remote device you're setting up. Default is 1.
Write PriorityThe priority to use when writing to commandable properties. Default is 8.
COV Enabled

If true a Change of Value (COV) subscription is used for properties that support it. If false all properties are polled. Default is true.

Note that COV subscriptions are only applied to Present_Value and Status_Flags

COV Heartbeat IntervalInterval, in seconds, between reading the System_Status property of the Device object as a heartbeat. If three consecutive attempts fail, all COV items will be marked with uncertain quality. Default is 5.
COV Subscription LifetimeLifetime, in seconds, of COV subscriptions. Use 0 for indefinite. When non-zero COV subscriptions are renewed at a rate of 75% of the lifetime. Default is 900.

Confirmed Notifications Enabled

If true COV subscriptions use confirmed notifications. If false COV subscriptions use unconfirmed notifications. Default is false.

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