BACnet COV Settings

When exporting objects to BACnet, they can be subscribed by the BACnet client using Change of value (COV) subscriptions.

To find all analog values active for COV subscription, navigate to:

Configurator → Utilities → System → Network → BACnet COV settings.

Each analog value that is active for COV subscription has a parameter called COV increment. This parameter defines the minimal change of value (delta) that triggers a value update on the client side. By default, the COV increment is set to 1. This means that unless the value in the controller changes by more than 1, the client-side value remains unchanged.

If you modify the COV increment parameters in Configurator → Utilities → System → Network → BACnet COV settings and save the changes, all existing COV subscriptions will be canceled. To resume COV subscriptions, they must be restarted from the client side.