# Creating a Signal Configuration in the Controller Fieldbus

1. Select a controller in the Plant structure workspace.

2. Select the Fieldbus and SoftPLC tab then select the Controller Fieldbus sub-tab.

3. Select the Controller Fieldbus instance.

4. To add a signal configuration to the Controller Fieldbus, select Add...

   The Create signal configuration window comes into view.

5. Select a signal.

6. Enter data for the signal configuration byte, bit, and length.

7. Select Add.

8. Select Close.

A signal configuration is created.

At this step, red exclamation marks appear next to the signal configuration. This is because the signal configuration is not yet mapped to a Virtual Fieldbus.