# Fieldbus Configuration Library - Removing a Fieldbus Configuration Subscription from the Distribution List

The global Fieldbus configuration distribution list is like a subscription list. Whenever a change is made to a global Fieldbus configuration, the change is propagated to all subscribers. The distribution list manages the subscription.

Select one Global Fieldbus configuration check box to view the content of the distribution list. The distribution list shows all controllers subscribing to the selected configuration.

## Removing the Subscription of a Global Fieldbus Configuration from One Controller

1. Select a controller in the Plant structure workspace .

2. Go to Fieldbus & SoftPlc .

   The Fieldbus workspace shows a list of tightening programs.

   The entry in the column Library link is marked with Yes for the distributed Fieldbus configuration.

3. Select the check box for the selected Fieldbus configuration.

4. Select Manage then Unlink from the drop-down menu.

   The entry in the column Library link is cleared for the selected Fieldbus configuration.

5. Select Library in the left-side menu bar.

6. Go to Fieldbus Configuration library .

7. Select the check box of the removed Fieldbus configuration.

   The distribution list is updated and the controller name is removed from the list.